CN105040667A - High-backfill deformation wireless remote integrated monitoring system and mounting and monitoring method - Google Patents
High-backfill deformation wireless remote integrated monitoring system and mounting and monitoring method Download PDFInfo
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Abstract
The invention relates to a high-backfill deformation wireless remote integrated monitoring system and a mounting and monitoring method. The system is composed of a sensor system (1), a data collecting system (9), a wireless transmission system (13) and a data management and analysis system (17). The mounting and monitoring method comprises the steps that 1, the sensor system is embedded and mounted, wherein a, a single-point settlement sensor is embedded and mounted, b, an earth pressure cell is embedded and mounted, c, a pore water pressure gauge is embedded and mounted, d, a soil humidity sensor is embedded and mounted, and e, a clinometers is embedded and mounted; 2, the data collecting system is designed and mounted; 3, the wireless transmission system is mounted and debugged; 4, the data management and analysis system is mounted; and 5, implementation of the monitoring system is carried out. Wireless remote integrated monitoring can be carried out on deformation and stability of high-backfill foundations and high-backfill slopes in the backfill construction process or after construction, early warning is carried out on geological disasters possibly caused by deformation of the high-backfill slopes, changes of groundwater environment and the like, and informatization design and construction are achieved.
Description
Technical field
The present invention relates to high roadbed deformation monitoring field, particularly a kind of high roadbed distortion wireless remote comprehensive monitor system and installation monitoring method.
Background technology
Under the red line that " 1,800,000,000 mu of arable lands " can not be touched, Mountain Urban Areaization is built and " band one tunnel " required construction land of strategy implementation, mostly fill out the mode that ditch makes ground solve by cutting mountain, cut mountain and fill out ditch and namely can produce a large amount of high fill foundations and tall earth fill.Embankment 81.9m as maximum in airport, Shanxi Lvliang City, Huanlong Airport maximum filled height in Sichuan reaches the high roadbed airport engineering of 102m; In addition, Shiyan, Lanzhou and Yan'an are all being carried out the large-scale Pingshan Mountain and are being made ground engineering, and level land beginning new district, Lanzhou in 2012 about 25km
2, Yan'an first stage of the project (North) makes ground 10.5km
2, maximum filled slope 105m is the embankment engineering that Canal in Loess Area is largest in the world at present.All there is differential settlement or lateral deformation in these high roadbed engineerings, its reason is complicated: 1. mountain area and knob, and topographical elevation difference is large, engineering geological conditions and complicated hydrogeological conditions; 2. high fill foundation earthwork is large, long in time limit, and differential settlement and settlement after construction are difficult to control; 3. high roadbed engineering is in process of construction, can produce newly in a large number to dig, high fill slope; 4. high roadbed construction all can destroy initial land form, changes surface water runoff and seepage action of ground water path, causes earth body, causes the disaster such as embankment slaking deformation or landslide time serious.The tall earth fill slump disaster that happens occasionally constantly is challenged and is cut mountain and fill out the science that ground strategy made by ditch, all causes great life and property loss or serious social influence as Sanxia Airport In Yichang City landslide, landslide, Lijiang, yunnan airport, landslide, airport, Guizhou, Huanlong Airport landslide, Panzhihua Airport repeatedly come down etc.; Therefore need to carry out comprehensive monitoring.
So far, about the know-how specification of high roadbed is not yet formed, high roadbed design and construction are all in the elementary experience accumulation stage.Because method for designing is immature, in high roadbed work progress, engineers often adopts so-called intormation construction technology, namely by artificial monitoring work progress of deformation observation frequently (current high roadbed routine monitoring project and monitoring method are in table 1), and in time observing buoy is fed back, for reference when policymaker's adjusted design and construction, but this can only depend on the micro-judgment of engineers, and above-mentioned intormation construction technology seems blindly with passive more.As the horizontal displacement monitoring method all too tradition of high roadbed areal deformation monitoring and internal modification in table 1, and measurements interference factor is many, error is large, time and effort consuming, cannot reach Real-Time Monitoring; Compacting construction operation, strong rammer or impact-rolling construction destructible is carried out in the instrument construction position inconvenience that is inconvenient, that bury sedimentation pipe underground of the deep soil settlement survey of internal modification; Groundwater monitoring generally only monitors water level, and water content, pore water pressure and the soil pressure change after high roadbed work progress and work has no comprehensive monitoring example.Therefore, high roadbed deformation design and construction experience deficiency, Frequent Accidents.
Table 1 high roadbed routine monitoring project and monitoring method
The most effective approach of head it off is exactly a kind of new monitoring system of exploitation, carry out comprehensive real-time in-situ monitoring with after work progress and work to high roadbed, wherein high fill foundation mainly monitors delaminating deposition and total settlement, soil pressure, pore water pressure and water content change in time and space; Tall earth fill mainly monitors slope top sedimentation, deeply mixing cement-soil pile, slope body internal void water pressure change in time and space.The installation of native system is implemented can really realize informationization designing and construction, effective minimizing high roadbed work progress or settlement after construction, the geological disaster that tall earth fill distortion and groundwater environment change etc. may cause is given warning in advance, and there is important Social and economic benef@.
Summary of the invention
The object of this invention is to provide a kind of high roadbed distortion wireless remote comprehensive monitor system and monitoring method is installed.
The present invention is high roadbed distortion wireless remote comprehensive monitor system and installs monitoring method, high roadbed distortion wireless remote comprehensive monitor system, be made up of sensing system 1, data collecting system 9, wireless transmitting system 13 and data management and analysis system 17, much information in high roadbed work progress and after work gathers by sensing system 1 and data collecting system 9, stores data, through wireless transmitting system 13, data-signal is delivered to the data management and analysis system 17 of monitoring unit online computer 21;
Sensing system 1 comprises the single point settlement gage 2 of monitoring high fill foundation 27 total settlement and delaminating deposition, the earth pressure cell 5 of monitoring high fill foundation 27 different raising soil layer soil pressure, the pore pressure gauge 6 of monitoring high fill foundation 27 different raising soil layer pore water pressure, the soil humidity sensor 7 of monitoring high fill foundation 27 different raising soil cylinder water content and the pore pressure gauge 6 of monitoring tall earth fill 28 different raising slope body pore water pressure, the inclinometer 8 of monitoring tall earth fill 28 different raising slope body deeply mixing cement-soil pile, each sensor buries design point position underground with fill construction, is connected with data collecting system 9 by test lead 3, buries PVC wired hose 4 on test lead 3 protheca underground,
Data collecting system 9 has A type data acquisition module 10 and I type data acquisition module 11 according to the difference of each sensor signal transmission of access, and the two is powered by solar power supply unit 12; Wherein single point settlement gage 2, earth pressure cell 5 and pore pressure gauge 6 belong to intelligent string type sensor, by A type data acquisition module 10 image data; Inclinometer 8 output voltage signal, by I type data acquisition module 11 image data, soil humidity sensor 7 output current signal, according to its software communication agreement, after adding high-accuracy resistance, change current signal into voltage signal, access I type data acquisition module 11 image data; Each acquisition module test lead 3 of data collecting system 9 is connected;
Wireless transmitting system 13 comprises DTU surfing Internet with cell phone module 14, GRPS wireless data internet 15 and DNS name resolution 16; The domain name that wherein domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module 14, powered by solar power supply unit 12, at the scene or the long-range login software provided by domain name service business, IP and the domain name of setting up user's computer contact user computer; On-the-spot DTU surfing Internet with cell phone module 14 is surfed the Net by GRPS wireless data internet 15, finds the IP address corresponding with this domain name, realize the data wireless remote transmission that sensor gathers through DNS name resolution 16;
Data management and analysis system 17 comprises DSC radio data system 18, UDP contact 19 and database 20; Wherein DSC radio data system 18 is installed on the online computer of user, utilize the internet function of GRPS wireless data internet 15, by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module 14 and online computer contacts 19, gathers accumulation data, forms database 20.
The installation monitoring method of high roadbed distortion wireless remote comprehensive monitor system, its step comprised is as follows:
A, sensing system 1 Embedment and installation:
(1) single point settlement gage 2 Embedment and installation:
1., after smooth, the cleaning of original place base, hole according to monitoring scheme determination test point, aperture between 90mm ~ 127mm, boring vertical, hole depth reaches basement rock;
2. calculate the length of required extension bar according to hole-depth gauge, and assort extension bar joint;
3. the bottom anchoring assemblies and such as bottom anchor head, pvc pipe, pull bar are saved extension bar to be connected, in pvc pipe, then fill concrete grout;
4. be connected with the rope made of hemp on pvc pipe nylon rope one end, rope grows to few 3m longer than hole depth;
5. will fill with in the anchoring assembly patchhole of good slurry, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar, until all extension bars to have been connected rear last connection single point settlement gage;
6. with defeating installation depression bar, until bottom anchor head is depressed into basement rock;
7. after bottom anchor head is in place, pull at nylon rope, pvc pipe is drawn out at the bottom of hole, and concrete grout sinks at the bottom of hole, and anchoring bottom anchor head, then cuts off nylon rope;
8. with comprehensive tester, complete monitoring is carried out to single point settlement gage 2, ensure that single point settlement gage 2 is in the state of maximum range;
9. with sand backfill, compacting;
10. after installing single point settlement gage 2, test lead 3 is put PVC wired hose 4, grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple single point settlement gage 2 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the delaminating deposition at different raising soil body place and total settlement after Real-Time Monitoring high fill foundation 27 work progress and work;
(2) earth pressure cell 5 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 30cm;
2. earth pressure cell 5 pressure-bearing face puts into hole upward, and bottom is inserted the dark medium sand compacting of 10cm and leveled up, and controls earth pressure cell 5 to install level with spirit level;
3. around it, the thick medium sand of 30cm is covered, compacting;
4. the test lead 3 of earth pressure cell 5 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple earth pressure cell 5 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, after getting final product Real-Time Monitoring high fill foundation 27 work progress and work, different raising soil body place is stressed;
(3) pore pressure gauge 6 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. pore pressure gauge 6 vertically puts into hole, and bottom is inserted the dark medium sand compacting of 5cm and leveled up, around it with medium sand fill up, compacting;
3. the test lead 3 of pore pressure gauge 6 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, at high fill foundation and tall earth fill different designs absolute altitude place, multiple pore pressure gauge 6 is installed respectively, and test lead 3 is put PVC wired hose 4, the former grooving leads to the domatic place of high roadbed, the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, can the size of different raising place ground and the inner soil body pore water pressure of side slope after Real-Time Monitoring high roadbed work progress and work;
(4) soil humidity sensor 7 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. make mud with filler, in the vertical patchhole of soil humidity sensor 7, bottom is inserted the dark medium sand compacting of 5cm and is leveled up, and fills up around it with mud;
3. the test lead 3 of soil humidity sensor 7 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple soil humidity sensor 7 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the size of different raising soil body places water content after Real-Time Monitoring high fill foundation 27 work progress and work;
(5) inclinometer 8 Embedment and installation:
1. tall earth fill construction is to the design elevation place, after platform is smooth, cleaning, holes according to monitoring scheme determination test point, aperture at about 127mm, boring vertical, hole depth reaches basement rock;
2. according to actual hole depth, inclinometer pipe one is saved and couples together, put into hole, joint and joint need connect tight, be wound around 2 ~ 3 enclose blank area is all wrapped up by geotextiles, finally fasten at geotextiles two ends Plastic Bandage or thin wire, prevent the foreign matters such as silt from entering in pipe from joint area;
3. calculate the length of required extension bar according to hole depth and slidingtype inclination angle its length of comprehensively popping one's head in, and assort extension bar universal joint;
4. adopt universal joint and extension bar comprehensively to be popped one's head at slidingtype inclination angle to be connected, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar and comprehensively pop one's head in slidingtype inclination angle, after discharging under connecting until is comprehensively popped one's head in all slidingtype inclination angles, be fixed in mouth of pipe place, and the mouth of pipe wrapped up tight;
5. the test lead 3 of inclinometer 8 puts PVC wired hose 4 and protects, and on tall earth fill 28 platform, grooving is suitably protected, and treats that next step is constructed;
With the carrying out of high roadbed construction, at tall earth fill different designs absolute altitude, inclinometer 8 is installed at place respectively, and test lead 3 is put PVC wired hose 4, and the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, the size of different raising place side slope inside soil body lateral displacement after getting final product Real-Time Monitoring high roadbed work progress and work;
The design of B, data collecting system 9 and installation:
Single point settlement gage 2, earth pressure cell 5 and pore pressure gauge 6 belong to intelligent string type sensor, by A type data acquisition module 10 image data, according to access test lead 3 circuit number number, select 1A, 8A, 16A and 32A tetra-kinds of A type data acquisition modules 10 to combine, the overall channel number of composite module equals or slightly larger than number of probes; Inclinometer 8 output voltage signal, by I type data acquisition module 11 image data, soil humidity sensor 7 output current signal, according to its software communication agreement, after adding high-accuracy resistance, current signal changes voltage signal into, accessible I type data acquisition module 11 realizes real-time radio remote monitoring, according to access test lead 3 circuit number number, select 1I, 8I, 16I and 32I tetra-kinds of I type data acquisition modules 11 to combine, the overall channel number of composite module equals or slightly larger than number of probes;
The number of sensor is buried underground according to different height of embankment place, consider installation position and the number of A type data acquisition module 10 and I type data acquisition module 11, make each sensor access the test lead 3 of acquisition module is the shortest, image data maximizes in work progress simultaneously; The concrete installation steps of acquisition module are as follows:
1. according to on-site actual situations, determine that data collecting system is imbedded underground or is fixed on applicable position, build some ancillary structures, A type data acquisition module 10 or I type data acquisition module 11 and solar power supply unit 12 are installed respectively;
2. the vinyl cover screw of acquisition module is back-outed, uncap, by Sensor output from the wiring terminal in water joint access box body, the color of line is corresponding with the mark of prap, tightens prap and water joint;
3. power line and 485 connections are connected; Connect USB at computer terminal and turn 485 conversion lines, conversion line 485 end is connected with acquisition module 485 line; The driving of installation bus type sensor software and conversion line on computers;
4. power to acquisition module, circuit start detects once, if extinguished after green light, then determines that instrument is connected with sensor normally; Extinguish after green light flicker when sensor does not connect, reconnect pickup wire;
5. open computer bus type sensor software, acquisition module various functions is tested;
C, wireless transmitting system 13 installation and debugging:
1. the data acquisition module test lead 3 in each accessory structure is connected;
2. the domain name that domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module 14;
3. the software provided by domain name service business when computer is logined successfully, and sets up contact by the IP of user's computer and domain name; On-the-spot DTU surfing Internet with cell phone module 14 is surfed the Net by GRPS wireless data internet 15, through the IP address that DNS name resolution 16 finds this domain name corresponding, i.e. and the online computer of user;
4. surfing Internet with cell phone flow card is installed, debugs;
D, data management and analysis system 17 are installed:
1. install DSC radio data system 18 at the online computer of user, utilize the internet function of GRPS wireless data internet 15, by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module 14 and online computer contacts 19;
2. run peanut shell program, log in corresponding domain name, wait for that domain name mapping is corresponding IP address by peanut shell;
3. start service, select UDP to contact 19 patterns, dial the phonecard placed in mobile phone terminal, by terminal wake-up, make terminal sign in internet;
4., after waiting for a period of time, the time is different depending on the on-site movable signal of mobile phone terminal and the Internet status that computer joins, and mobile phone terminal signs in on software, occurs terminal accession number in software;
5. click corresponding termination number, then this termination number can occur in the termination number frame selecting operand;
6. corresponding module numbering is set, module type can equally carry out other operation with wired collection;
E, monitoring system are implemented:
After apparatus arrangement is debugged, read the monitor value of each measuring point, pending data stablize credible after, get the average of three monitored data as initial monitor value; Monitoring frequency is set in DSC radio data system 18, building database 20, automatically gathers monitored data by online computer; Monitoring frequency changes flexibly according to site operation progress, and in the normal construction stage, set of frequency is every 1h/ time of day and night, and do not constructing and the construction key stage, monitoring frequency reduces accordingly and increases;
The data that monitoring unit online computer 21 collects are delivered to Construction unit's online computer 22, designing unit's online computer 23 and unit in charge of construction's online computer 24 by internet, realize high roadbed distortion wireless remote comprehensive monitoring.
Usefulness of the present invention is to carry out real time comprehensive monitoring to after high roadbed work progress and work, effectively solves high roadbed and is out of shape the difficult problem with stability monitoring over time and space, have the advantage of high accuracy, automation, real time implementation, Long-distance Control.
Accompanying drawing explanation
Fig. 1 is certain high roadbed test section monitoring layout plan, Fig. 2 is operating mode one monitoring point section arrangement diagram, Fig. 3 is monitoring point layout schematic diagram, Fig. 4 is operating mode two monitoring point section arrangement diagram, Fig. 5 is operating mode three monitoring point section arrangement diagram, Fig. 6 is operating mode four monitoring point section arrangement diagram, Fig. 7 is high roadbed monitoring wireless transmission schematic diagram, Fig. 8 is that high roadbed distortion wireless remote comprehensive monitor system forms schematic diagram, Reference numeral and corresponding name are called: 1-sensing system, 2-single point settlement gage, 3-test lead, 4-PVC wired hose, 5-earth pressure cell, 6-pore pressure gauge, 7-soil humidity sensor, 8-inclinometer, 9-data collecting system, 10-A type data acquisition module, 11-I type data acquisition module, 12-solar power supply unit, 13-wireless transmitting system, 14-DTU surfing Internet with cell phone module, 15-GRPS wireless data internet, 16-DNS name resolution, 17-data management and analysis system, 18-DSC radio data system, 19-UDP contacts, 20-database, 21-monitoring unit online computer, 22-Construction unit online computer, 23-designing unit online computer, 24-unit in charge of construction online computer, 25-airfield runway, 26-test section, 27-high fill foundation, 28-tall earth fill, 29-french drain, 30-spring.
Detailed description of the invention
The present invention is high roadbed distortion wireless remote comprehensive monitor system and installs monitoring method, high roadbed distortion wireless remote comprehensive monitor system, be made up of sensing system 1, data collecting system 9, wireless transmitting system 13 and data management and analysis system 17, much information in high roadbed work progress and after work gathers by sensing system 1 and data collecting system 9, stores data, through wireless transmitting system 13, data-signal is delivered to the data management and analysis system 17 of monitoring unit online computer 21;
Sensing system 1 comprises the single point settlement gage 2 of monitoring high fill foundation 27 total settlement and delaminating deposition, the earth pressure cell 5 of monitoring high fill foundation 27 different raising soil layer soil pressure, the pore pressure gauge 6 of monitoring high fill foundation 27 different raising soil layer pore water pressure, the soil humidity sensor 7 of monitoring high fill foundation 27 different raising soil cylinder water content and the pore pressure gauge 6 of monitoring tall earth fill 28 different raising slope body pore water pressure, the inclinometer 8 of monitoring tall earth fill 28 different raising slope body deeply mixing cement-soil pile, each sensor buries design point position underground with fill construction, is connected with data collecting system 9 by test lead 3, buries PVC wired hose 4 on test lead 3 protheca underground,
Data collecting system 9 has A type data acquisition module 10 and I type data acquisition module 11 according to the difference of each sensor signal transmission of access, and the two is powered by solar power supply unit 12; Wherein single point settlement gage 2, earth pressure cell 5 and pore pressure gauge 6 belong to intelligent string type sensor, by A type data acquisition module 10 image data; Inclinometer 8 output voltage signal, by I type data acquisition module 11 image data, soil humidity sensor 7 output current signal, according to its software communication agreement, after adding high-accuracy resistance, change current signal into voltage signal, access I type data acquisition module 11 image data; Each acquisition module test lead 3 of data collecting system 9 is connected;
Wireless transmitting system 13 comprises DTU surfing Internet with cell phone module 14, GRPS wireless data internet 15 and DNS name resolution 16; The domain name that wherein domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module 14, powered by solar power supply unit 12, at the scene or the long-range login software provided by domain name service business, IP and the domain name of setting up user's computer contact user computer; On-the-spot DTU surfing Internet with cell phone module 14 is surfed the Net by GRPS wireless data internet 15, finds the IP address corresponding with this domain name, realize the data wireless remote transmission that sensor gathers through DNS name resolution 16;
Data management and analysis system 17 comprises DSC radio data system 18, UDP contact 19 and database 20; Wherein DSC radio data system 18 is installed on the online computer of user, utilize the internet function of GRPS wireless data internet 15, by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module 14 and online computer contacts 19, gathers accumulation data, forms database 20.
According to above-described high roadbed distortion wireless remote comprehensive monitor system, built highway in all mountain areas, railway, airport, the height of embankment of building construction is greater than the evaluation project of 20m, its high fill foundation 27 or tall earth fill 28 are out of shape and stablize employing single point settlement gage 2, earth pressure cell 5, pore pressure gauge 6, soil humidity sensor 7, the sensing system 1 that inclinometer 8 forms, by data collecting system 9 image data, wireless remote transmission is carried out through wireless transmitting system 13, the data management and analysis system 17 installed finally by the online computer of user carries out wireless remote comprehensive monitoring, monitoring frequency is according to construction speed and the setting of crucial operating mode.
According to above-described high roadbed distortion wireless remote comprehensive monitor system, all height of embankments are greater than to the evaluation project of 20m, the sedimentation and deformation of its high fill foundation 27 after work progress and work is monitored by the single point settlement gage 2 of different buried depth, namely along with the increase of height of embankment, to original ground, bearing stratum is stablized in the boring of different designs At The Height, bury multiple single point settlement gage 2 underground, not only can record delaminating deposition but also can total settlement be recorded by data collecting system 9.
According to above-described high roadbed distortion wireless remote comprehensive monitor system, all employing soil humidity sensors 7 are monitored to the project of foundation soil water content, according to soil humidity sensor 7 software communication agreement, add high-accuracy resistance, change its current signal into voltage signal, access I type data acquisition module 11 realizes real-time radio remote monitoring, adopts high-accuracy resistance model to be 510 Ω, 15W.
The installation monitoring method of high roadbed distortion wireless remote comprehensive monitor system, its step comprised is as follows:
A, sensing system 1 Embedment and installation:
(1) single point settlement gage 2 Embedment and installation:
1., after smooth, the cleaning of original place base, hole according to monitoring scheme determination test point, aperture between 90mm ~ 127mm, boring vertical, hole depth reaches basement rock;
2. calculate the length of required extension bar according to hole-depth gauge, and assort extension bar joint;
3. the bottom anchoring assemblies and such as bottom anchor head, pvc pipe, pull bar are saved extension bar to be connected, in pvc pipe, then fill concrete grout;
4. be connected with the rope made of hemp on pvc pipe nylon rope one end, rope grows to few 3m longer than hole depth;
5. will fill with in the anchoring assembly patchhole of good slurry, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar, until all extension bars to have been connected rear last connection single point settlement gage;
6. with defeating installation depression bar, until bottom anchor head is depressed into basement rock;
7. after bottom anchor head is in place, pull at nylon rope, pvc pipe is drawn out at the bottom of hole, and concrete grout sinks at the bottom of hole, and anchoring bottom anchor head, then cuts off nylon rope;
8. with comprehensive tester, complete monitoring is carried out to single point settlement gage 2, ensure that single point settlement gage 2 is in the state of maximum range;
9. with sand backfill, compacting;
10. after installing single point settlement gage 2, test lead 3 is put PVC wired hose 4, grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple single point settlement gage 2 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the delaminating deposition at different raising soil body place and total settlement after Real-Time Monitoring high fill foundation 27 work progress and work;
(2) earth pressure cell 5 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 30cm;
2. earth pressure cell 5 pressure-bearing face puts into hole upward, and bottom is inserted the dark medium sand compacting of 10cm and leveled up, and controls earth pressure cell 5 to install level with spirit level;
3. around it, the thick medium sand of 30cm is covered, compacting;
4. the test lead 3 of earth pressure cell 5 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple earth pressure cell 5 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, after getting final product Real-Time Monitoring high fill foundation 27 work progress and work, different raising soil body place is stressed;
(3) pore pressure gauge 6 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. pore pressure gauge 6 vertically puts into hole, and bottom is inserted the dark medium sand compacting of 5cm and leveled up, around it with medium sand fill up, compacting;
3. the test lead 3 of pore pressure gauge 6 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, at high fill foundation and tall earth fill different designs absolute altitude place, multiple pore pressure gauge 6 is installed respectively, and test lead 3 is put PVC wired hose 4, the former grooving leads to the domatic place of high roadbed, the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, can the size of different raising place ground and the inner soil body pore water pressure of side slope after Real-Time Monitoring high roadbed work progress and work;
(4) soil humidity sensor 7 Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. make mud with filler, in the vertical patchhole of soil humidity sensor 7, bottom is inserted the dark medium sand compacting of 5cm and is leveled up, and fills up around it with mud;
3. the test lead 3 of soil humidity sensor 7 puts PVC wired hose 4 and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple soil humidity sensor 7 at different designs absolute altitude place, and test lead 3 is put PVC wired hose 4, grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the size of different raising soil body places water content after Real-Time Monitoring high fill foundation 27 work progress and work;
(5) inclinometer 8 Embedment and installation:
1. tall earth fill construction is to the design elevation place, after platform is smooth, cleaning, holes according to monitoring scheme determination test point, aperture at about 127mm, boring vertical, hole depth reaches basement rock;
2. according to actual hole depth, inclinometer pipe one is saved and couples together, put into hole, joint and joint need connect tight, be wound around 2 ~ 3 enclose blank area is all wrapped up by geotextiles, finally fasten at geotextiles two ends Plastic Bandage or thin wire, prevent the foreign matters such as silt from entering in pipe from joint area;
3. calculate the length of required extension bar according to hole depth and slidingtype inclination angle its length of comprehensively popping one's head in, and assort extension bar universal joint;
4. adopt universal joint and extension bar comprehensively to be popped one's head at slidingtype inclination angle to be connected, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar and comprehensively pop one's head in slidingtype inclination angle, after discharging under connecting until is comprehensively popped one's head in all slidingtype inclination angles, be fixed in mouth of pipe place, and the mouth of pipe wrapped up tight;
5. the test lead 3 of inclinometer 8 puts PVC wired hose 4 and protects, and on tall earth fill 28 platform, grooving is suitably protected, and treats that next step is constructed;
With the carrying out of high roadbed construction, at tall earth fill different designs absolute altitude, inclinometer 8 is installed at place respectively, and test lead 3 is put PVC wired hose 4, and the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, the size of different raising place side slope inside soil body lateral displacement after getting final product Real-Time Monitoring high roadbed work progress and work;
The design of B, data collecting system 9 and installation:
Single point settlement gage 2, earth pressure cell 5 and pore pressure gauge 6 belong to intelligent string type sensor, by A type data acquisition module 10 image data, according to access test lead 3 circuit number number, select 1A, 8A, 16A and 32A tetra-kinds of A type data acquisition modules 10 to combine, the overall channel number of composite module equals or slightly larger than number of probes; Inclinometer 8 output voltage signal, by I type data acquisition module 11 image data, soil humidity sensor 7 output current signal, according to its software communication agreement, after adding high-accuracy resistance, current signal changes voltage signal into, accessible I type data acquisition module 11 realizes real-time radio remote monitoring, according to access test lead 3 circuit number number, select 1I, 8I, 16I and 32I tetra-kinds of I type data acquisition modules 11 to combine, the overall channel number of composite module equals or slightly larger than number of probes;
The number of sensor is buried underground according to different height of embankment place, consider installation position and the number of A type data acquisition module 10 and I type data acquisition module 11, make each sensor access the test lead 3 of acquisition module is the shortest, image data maximizes in work progress simultaneously; The concrete installation steps of acquisition module are as follows:
1. according to on-site actual situations, determine that data collecting system is imbedded underground or is fixed on applicable position, build some ancillary structures, A type data acquisition module 10 or I type data acquisition module 11 and solar power supply unit 12 are installed respectively;
2. the vinyl cover screw of acquisition module is back-outed, uncap, by Sensor output from the wiring terminal in water joint access box body, the color of line is corresponding with the mark of prap, tightens prap and water joint;
3. power line and 485 connections are connected; Connect USB at computer terminal and turn 485 conversion lines, conversion line 485 end is connected with acquisition module 485 line; The driving of installation bus type sensor software and conversion line on computers;
4. power to acquisition module, circuit start detects once, if extinguished after green light, then determines that instrument is connected with sensor normally; Extinguish after green light flicker when sensor does not connect, reconnect pickup wire;
5. open computer bus type sensor software, acquisition module various functions is tested;
C, wireless transmitting system 13 installation and debugging:
1. the data acquisition module test lead 3 in each accessory structure is connected;
2. the domain name that domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module 14;
3. the software provided by domain name service business when computer is logined successfully, and sets up contact by the IP of user's computer and domain name; On-the-spot DTU surfing Internet with cell phone module 14 is surfed the Net by GRPS wireless data internet 15, through the IP address that DNS name resolution 16 finds this domain name corresponding, i.e. and the online computer of user;
4. surfing Internet with cell phone flow card is installed, debugs;
D, data management and analysis system 17 are installed:
1. install DSC radio data system 18 at the online computer of user, utilize the internet function of GRPS wireless data internet 15, by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module 14 and online computer contacts 19;
2. run peanut shell program, log in corresponding domain name, wait for that domain name mapping is corresponding IP address by peanut shell;
3. start service, select UDP to contact 19 patterns, dial the phonecard placed in mobile phone terminal, by terminal wake-up, make terminal sign in internet;
4., after waiting for a period of time, the time is different depending on the on-site movable signal of mobile phone terminal and the Internet status that computer joins, and mobile phone terminal signs in on software, occurs terminal accession number in software;
5. click corresponding termination number, then this termination number can occur in the termination number frame selecting operand;
6. corresponding module numbering is set, module type can equally carry out other operation with wired collection;
E, monitoring system are implemented:
After apparatus arrangement is debugged, read the monitor value of each measuring point, pending data stablize credible after, get the average of three monitored data as initial monitor value; Monitoring frequency is set in DSC radio data system 18, building database 20, automatically gathers monitored data by online computer; Monitoring frequency changes flexibly according to site operation progress, and in the normal construction stage, set of frequency is every 1h/ time of day and night, and do not constructing and the construction key stage, monitoring frequency reduces accordingly and increases;
The data that monitoring unit online computer 21 collects are delivered to Construction unit's online computer 22, designing unit's online computer 23 and unit in charge of construction's online computer 24 by internet, realize high roadbed distortion wireless remote comprehensive monitoring.
One embodiment of the present of invention: the long 2800m of newly-built airports, Longnan City, Gansu Province runway 25, road face width 45m, 1.5m wide road shoulder is respectively established in both sides, beam overall 48m; 60m × 48m blast pad is respectively established at runway two ends.Place is positioned at the mountains low-to-middle in height hills area of side, the west of a river, Lip river, and hypsography changes greatly, and build an airport and need to carry out large-scale excavation and filling transformation to same court, maximum height of embankment is about 65m, amount of fill about 1,200 ten thousand m
3.Place engineering geological conditions is complicated, and batholith surface undulation is comparatively large, overlying soil became uneven, and prospecting discloses stratum and is followed successively by: fill stratum Q
4 ml, farinose argillic horizon Q
4 dl+pl, severely-weathered horizon d N
2, middle weathering horizon d N
2.Place bury of groundwater 0.40 ~ 10.00m, belong to the loose class pore ground water of Quaternary system, in runway ridge both sides, all there is distribution at the low-lying place of cheuch, and local is the perched water and the Bedrock Crevice Water that ooze formation under surface water, and basal water is farinose argillic horizon.
According to design excavated-in t4 altitudes, according to potentially danger larger portion position, engineering keypoint part and the poor position of geological conditions, practice every conceivable frugality investment, the principle of reasonable reduction of erection time, arrange and place actual landform, geomorphologic conditions, hydrologic condition, earth formation condition and removal expropriation of land progress etc. in conjunction with airport plane, select Duan Daocao district, western termination one, place and Tu Mian district, north side as test section 26, see Fig. 1.Test section 26 is positioned at the maximum embankment district of groove, comprises the various operating modes that excavation and high fill slope and large-area construction run into simultaneously, carries out field monitoring representative, have typical directive significance to subsequent construction at this.For this high roadbed airport embankment construction monitoring, further illustrate as follows to content of the present invention.
As shown in Figure 7, Figure 8, high roadbed distortion wireless remote comprehensive monitor system is made up of sensing system 1, data collecting system 9, wireless transmitting system 13 and data management and analysis system 17, and each system component and annexation are described as follows; Much information in high roadbed work progress and after work gathers by sensing system 1 and data collecting system 9, stores data, through wireless transmitting system 13, data-signal is delivered to the data management and analysis system 17 of monitoring unit online computer 21, finally feed back to construction, design and unit in charge of construction, realize high roadbed distortion wireless remote comprehensive monitoring.
As Fig. 2, Fig. 4, Fig. 5, shown in Fig. 6, sensing system 1 comprises the single point settlement gage 2 of monitoring high fill foundation 27 total settlement and delaminating deposition, the earth pressure cell 5 of monitoring high fill foundation 27 different raising soil layer soil pressure, the pore pressure gauge 6 of monitoring high fill foundation 27 different raising soil layer pore water pressure, the soil humidity sensor 7 of monitoring high fill foundation 27 different raising soil cylinder water content and the pore pressure gauge 6 of monitoring tall earth fill 28 different raising slope body pore water pressure, the inclinometer 8 of monitoring tall earth fill 28 different raising slope body deeply mixing cement-soil pile, each sensor buries design point position underground with fill construction, is connected with data collecting system 9 by test lead 3, buries PVC wired hose 4 on test lead 3 protheca underground.
Data collecting system 9 has A type data acquisition module 10 and I type data acquisition module 11 according to the difference of each sensor signal transmission of access, and the two is powered by solar power supply unit 12; Wherein single point settlement gage 2, earth pressure cell 5 and pore pressure gauge 6 belong to intelligent string type sensor, by A type data acquisition module 10 image data; Inclinometer 8 output voltage signal, by I type data acquisition module 11 image data, soil humidity sensor 7 output current signal, according to its software communication agreement, after adding high-accuracy resistance, change current signal into voltage signal, access I type data acquisition module 11 image data.Each acquisition module test lead 3 of data collecting system 9 is connected, available dedicated data acquisition device or user computer collection in worksite data, realizes the synthetical collection monitoring to high fill foundation 27 and tall earth fill 28 after the process of filling or work.
Wireless transmitting system 13 mainly comprises DTU surfing Internet with cell phone module 14, GRPS wireless data internet 15 and DNS name resolution 16.The domain name that wherein domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module 14, powered by solar power supply unit 12, at the scene or the long-range login software provided by domain name service business, IP and the domain name of setting up user's computer contact user computer; On-the-spot DTU surfing Internet with cell phone module 14 is surfed the Net by GRPS wireless data internet 15, finds the IP address corresponding with this domain name, realize the data wireless remote transmission that sensor gathers through DNS name resolution 16.
Data management and analysis system 17 mainly comprises DSC radio data system 18, UDP contact 19 and database 20.Wherein DSC radio data system 18 is installed on the online computer of user, utilize the internet function of GRPS wireless data internet 15, by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module 14 and online computer contacts 19, gathers accumulation data, forms database 20.
High roadbed distortion wireless remote comprehensive monitor system installs monitoring method, and its step comprised is as follows:
1, sensing system 1 Embedment and installation:
As shown in Figure 1, binding tests section 26 underground water and french drain 29 move towards and spring 30 distributes, take into account typical case and important area, along the darkest coombe of test section 26 in Dao Cao district, Tu Mian district and side slope district carry out filling body monitoring respectively, 1# point is selected in soil matrix district, coordinate is P:4006, H:4027.5, 2# point is selected in Tu Mian district, coordinate is P:4006, H:4071.5, 3# point is selected in side slope district, coordinate is P:4006, H:4112.5, in conjunction with embankment work progress, sensing system 1 is laid in layering, first floor sensor original position is in the farinose argillic horizon of high fill foundation 27, the vertical spacing of sensor is about 6m.According to condition of construction, on one ~ six grade of plain stage of slope, respective point position is selected to bore vertical holes respectively, coordinate is P:4006, H: be about 1m place apart from playing slope line, lay sensing system 1, the vertical spacing of sensor is also about 6m, and wherein one or three Pyatyi tall earth fill (28) bury pore pressure gauge (6) underground, and 246 grades of tall earth fill (28) bury inclinometer (8) underground.Monitoring is when starting to construct, and on-the-spot embankment elevation is about 1100.00m, i.e. Three-level Platform place, for ease of construction control, using the construction of one ~ Three-level Platform as the first operating mode, follow-up every grade of platform construction be respectively second and third, four operating modes.Sensing system (1) section arrangement diagram is shown in Fig. 2, and concrete Embedment and installation is as follows:
1) single point settlement gage (2) Embedment and installation: 1. original place base smooth, cleaning after, operating mode one soil matrix district 1# point, Tu Mian district 2# point single point settlement gage (2) burial place place boring, see Fig. 2 and Fig. 3, aperture is about 110mm, hole vertical, hole depth reaches basement rock; 2. calculate the length of required extension bar according to hole depth respectively, and assort extension bar joint; 3. the bottom anchoring assemblies and such as bottom anchor head, pvc pipe, pull bar are saved extension bar to be connected, in pvc pipe, then inject concrete grout, knock outside pvc pipe with instrument during slip casting, guarantee to fill in pvc pipe concrete grout; 4. be connected with the rope made of hemp on pvc pipe nylon rope one end, accomplish fluently fast knot, rope grows to few 3m longer than hole depth; 5. will fill with in the anchoring assembly patchhole of good slurry, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar, until after having been connected by all extension bars, finally connecting single point settlement gage (2); 6. with defeating installation depression bar, until bottom anchor head is depressed into basement rock; 7. after bottom anchor head is in place, pull at nylon rope, pvc pipe is drawn out at the bottom of hole, and concrete grout sinks at the bottom of hole, and anchoring bottom anchor head, then cuts off nylon rope; 8. with comprehensive tester, complete monitoring is carried out to single point settlement gage (2), ensure that single point settlement gage (2) is in the state of maximum range; 9. with sand backfill, compacting; 10. after installing single point settlement gage (2), test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed.
With the carrying out of high roadbed construction, see Fig. 4 ~ Fig. 6, install 4 single point settlement gages (2) altogether respectively at 1# point and 2# point different designs absolute altitude place, test lead (3) is put PVC wired hose (4), and grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the delaminating deposition at different raising soil body place and total settlement after Real-Time Monitoring high fill foundation (27) work progress and work.
2) earth pressure cell (5) Embedment and installation: 1. original place base smooth, cleaning after, at operating mode one soil matrix district 1# point, Tu Mian district 2# point and side slope district 3# point earth pressure cell (5) burial place place borehole, see Fig. 2, the dark about 40cm of borehole, aperture is not less than 30cm, and wherein 1# point and 2# point each measuring point place earth pressure cell (5) are arranged symmetrically with 2; 2. earth pressure cell (5) pressure-bearing face puts into hole upward, and bottom is inserted the dark medium sand compacting of 10cm and leveled up, and controls earth pressure cell (5) to install level with spirit level; 3. around it, the thick medium sand of 30cm is covered, compacting; 4. the test lead (3) of earth pressure cell (5) puts PVC wired hose (4) and protects, and grooving leads to the domatic place of high roadbed, treats that next step is constructed.
With the carrying out of high roadbed construction, see Fig. 4 ~ Fig. 6,16,18 and 9 earth pressure cells (5) are buried respectively underground at soil matrix district 1# point, Tu Mian district 2# point and side slope district 3# point earth pressure cell (5) different designs absolute altitude place, test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, after getting final product Real-Time Monitoring high fill foundation (27) work progress and work, different raising soil body place is stressed.
3) pore pressure gauge (6) Embedment and installation: 1. original place base smooth, cleaning after, at operating mode one soil matrix district 1# point, Tu Mian district 2# point and side slope district 3# point pore pressure gauge (6) burial place place borehole, see Fig. 2, borehole is 40cm deeply about, and aperture is not less than 20cm; 2. pore pressure gauge (6) vertically puts into hole, and bottom is inserted the dark medium sand compacting of 5cm and leveled up, around it with medium sand fill up, compacting; 3. the test lead (3) of pore pressure gauge (6) puts PVC wired hose (4) and protects, and grooving leads to the domatic place of high roadbed, treats that next step is constructed.
With the carrying out of high roadbed construction, see Fig. 4 ~ Fig. 6, bury 8,9 and 9 pore pressure gauges (6) respectively underground at the soil matrix district 1# point of high fill foundation (27), Tu Mian district 2# point and side slope district 3# point pore pressure gauge (6) different designs absolute altitude place, in tall earth fill (28) or three Pyatyi platform boring, bury 2,5 and 7 pore pressure gauges (6) respectively underground; Test lead (3) is put PVC wired hose (4), and the former grooving leads to the domatic place of high roadbed, and the latter suitably protects on tall earth fill (28) platform, treats that next step is constructed; So, can the size of different raising place ground and the inner soil body pore water pressure of side slope after Real-Time Monitoring high roadbed work progress and work.
4) soil humidity sensor (7) Embedment and installation: 1. original place base smooth, cleaning after, at operating mode one soil matrix district 1# point, Tu Mian district 2# point and side slope district 3# point soil humidity sensor (7) burial place place borehole, see Fig. 2, the dark about 40cm of borehole, aperture is not less than 20cm, and in this example, soil humidity sensor (7) is TDR-3 type; 2. make mud with filler, in the vertical patchhole of soil humidity sensor (7), bottom is inserted the dark medium sand compacting of 5cm and is leveled up, and fills up around it with mud; 3. the test lead (3) of soil humidity sensor (7) puts PVC wired hose (4) and protects, and grooving leads to the domatic place of high roadbed, treats that next step is constructed.
With the carrying out of high roadbed construction, see Fig. 4 ~ Fig. 6,8,9 and 9 soil humidity sensors (7) are buried respectively underground at soil matrix district 1# point, Tu Mian district 2# point and side slope district 3# point soil humidity sensor (7) different designs absolute altitude place, test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the size of different raising soil body places water content after Real-Time Monitoring high fill foundation (27) work progress and work.
5) inclinometer (8) Embedment and installation: 1. tall earth fill (28) construction to secondary Platform Designing absolute altitude place, platform is smooth, cleaning after, design point position place boring, see Fig. 2, aperture is about about 127mm, boring vertical, hole depth reaches basement rock; 2. according to actual hole depth, inclinometer pipe one is saved and couples together, put into hole, when joint is connected with joint, must ensure that two joint inclinometer pipe end faces touch together, then be screwed at reserved location with tapping screw, be wound around 2 ~ 3 circles by geotextiles again blank area is all wrapped up, finally fasten at geotextiles two ends Plastic Bandage or thin wire, prevent the foreign matters such as silt from entering in pipe from joint area; 3. calculate the length of required extension bar according to hole depth and slidingtype inclination angle its length of comprehensively popping one's head in, and assort extension bar universal joint; 4. adopt universal joint and extension bar comprehensively to be popped one's head at slidingtype inclination angle to be connected, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar and comprehensively pop one's head in slidingtype inclination angle, after discharging under connecting until is comprehensively popped one's head in all slidingtype inclination angles, be fixed in mouth of pipe place, and the mouth of pipe wrapped up tight; 5. the test lead (3) of inclinometer (8) puts PVC wired hose (4) and protects, and on tall earth fill secondary platform, grooving is suitably protected, and treats that next step is constructed.
With the carrying out of high roadbed construction, see Fig. 4 ~ Fig. 6, at tall earth fill, inclinometer (8) is installed at 246 grades of Platform Designing absolute altitude places respectively, and test lead (3) is put PVC wired hose (4), tall earth fill platform is suitably protected, treats that next step is constructed; So, the size of different raising place side slope inside soil body lateral displacement after getting final product Real-Time Monitoring high roadbed work progress and work.
2, data collecting system (9) design and installation
Single point settlement gage (2), earth pressure cell (5) and pore pressure gauge (6) belong to intelligent string type sensor, by A type data acquisition module (10) image data, according to access test lead (3) circuit number number, select 1A, 8A, 16A and 32A tetra-kinds of A type data acquisition modules (10) to combine, the overall channel number of composite module equals or slightly larger than number of probes, inclinometer (8) output voltage signal, by I type data acquisition module (11) image data, soil humidity sensor (7) output current signal, according to its software communication agreement, after adding high-accuracy resistance, current signal changes voltage signal into, accessible I type data acquisition module (11) realizes real-time radio remote monitoring, 510 Ω are adopted in this example, the high-accuracy resistance of 15W, according to access test lead (3) circuit number number, select 1I, 8I, 16I and 32I tetra-kinds of I type data acquisition modules (11) are combined, the overall channel number of composite module equals or slightly larger than number of probes.The number of sensor is buried underground according to different height of embankment place, consider installation position and the number of A type data acquisition module (10) and I type data acquisition module (11), make each sensor access the test lead (3) of acquisition module is the shortest, image data maximizes in work progress simultaneously, and in this example, acquisition module and each sensor wiring distribution are in table 2.
Table 2 acquisition module and each sensor wiring distribution table
The concrete installation steps of data collecting system (9) are as follows: 1. according to on-site actual situations, bury an east side 3m underground at Three-level Platform pore pressure gauge (6) and build brickwork maisonette by toe place, the pre-buried solar panel steel pipe support in maisonette roof, installs solar power supply unit (12) simultaneously; Side, house reserved opening, all from then on all wires intending this survey station of access penetrate at hole; 2. press the distribution of wiring shown in table 2, respectively 2 32A acquisition modules, 1 161 acquisition module are installed; Vinyl cover screw bottom acquisition module is back-outed, uncap, by Sensor output from the wiring terminal in water joint access box body, the color of line is corresponding with the mark of prap, tightens prap and water joint; 3. power line and 485 connections are connected; Connect USB at computer terminal and turn 485 conversion lines, conversion line 485 end is connected with acquisition module 485 line; The driving of installation bus type sensor software and conversion line on computers; 4. power to acquisition module, circuit start detects once, if extinguished after green light, then determines that instrument is connected with sensor normally; Extinguish after green light flicker when sensor does not connect, reconnect pickup wire; 5. open computer bus type sensor software, acquisition module various functions is tested; 6. complete four successively, every installation procedure of Pyatyi side slope 2# survey station and 3# survey station, see Fig. 4 ~ Fig. 6; Finally by all block coupled in series of 1# ~ 3# survey station, treat next step operation.
3, wireless transmitting system (13) installation and debugging: 1. data acquisition module test lead (3) is connected; 2. the domain name that domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module (14); 3., after computer is logined successfully by the software that domain name service business provides, set up by the IP of user's computer and domain name and contact; On-the-spot DTU surfing Internet with cell phone module (14) is by GRPS wireless data internet (15) online, and through the IP address that DNS name resolution (16) finds this domain name corresponding, namely the online computer of user, is shown in Fig. 7.4. surfing Internet with cell phone flow card is installed, debugs.
4, data management and analysis system (17) is installed: 1. install DSC radio data system (18) at the online computer of user, utilize the internet function of GRPS wireless data internet (15), by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module (14) and online computer contacts (19); 2. run peanut shell program, log in corresponding domain name, wait for that domain name mapping is corresponding IP address by peanut shell; 3. start service, select UDP to contact (19) pattern, dial the phonecard placed in mobile phone terminal, by terminal wake-up, make terminal sign in internet; 4., after waiting for a period of time, the time is different depending on the on-site movable signal of mobile phone terminal and the Internet status that computer joins, and mobile phone terminal signs in on software, occurs terminal accession number in software; 5. click corresponding termination number, then this termination number can occur in the termination number frame selecting operand; 6. corresponding module numbering is set, module type can equally carry out other operation with wired collection.
5, monitoring system implement: as shown in Figure 8, after apparatus arrangement is debugged, read the monitor value of each measuring point, pending data stablize credible after, get the average of three monitored data as initial monitor value.Monitoring frequency is set in DSC radio data system (18), building database (20), automatically gathers monitored data by online computer.Monitoring frequency changes flexibly according to site operation progress, and in the normal construction stage, set of frequency is every 1h/ time of day and night, and do not constructing and the construction key stage, monitoring frequency reduces accordingly and increases.The data that monitoring unit online computer (21) collects are delivered to Construction unit's online computer (22), designing unit's online computer (23) and unit in charge of construction's online computer (24) by internet, realize high roadbed distortion wireless remote comprehensive monitoring.
Claims (5)
1. high roadbed distortion wireless remote comprehensive monitor system, be made up of sensing system (1), data collecting system (9), wireless transmitting system (13) and data management and analysis system (17), to it is characterized in that in high roadbed work progress and much information after work gathers by sensing system (1) and data collecting system (9), stores data, data-signal is delivered to monitoring unit through wireless transmitting system (13) and surfs the Net the data management and analysis system (17) of computer (21);
Sensing system (1) comprises the single point settlement gage (2) of monitoring high fill foundation (27) total settlement and delaminating deposition, the earth pressure cell (5) of monitoring high fill foundation (27) different raising soil layer soil pressure, the pore pressure gauge (6) of monitoring high fill foundation (27) different raising soil layer pore water pressure, the soil humidity sensor (7) of monitoring high fill foundation (27) different raising soil cylinder water content and the pore pressure gauge (6) of monitoring tall earth fill (28) different raising slope body pore water pressure, the inclinometer (8) of monitoring tall earth fill (28) different raising slope body deeply mixing cement-soil pile, each sensor buries design point position underground with fill construction, is connected with data collecting system (9) by test lead (3), buries PVC wired hose (4) on test lead (3) protheca underground,
Data collecting system (9) has A type data acquisition module (10) and I type data acquisition module (11) according to the difference of each sensor signal transmission of access, and the two is by solar power supply unit (12) power supply; Wherein single point settlement gage (2), earth pressure cell (5) and pore pressure gauge (6) belong to intelligent string type sensor, by A type data acquisition module (10) image data; Inclinometer (8) output voltage signal, by I type data acquisition module (11) image data, soil humidity sensor (7) output current signal, according to its software communication agreement, after adding high-accuracy resistance, change current signal into voltage signal, access I type data acquisition module (11) image data; Each acquisition module test lead (3) series connection of data collecting system (9);
Wireless transmitting system (13) comprises DTU surfing Internet with cell phone module (14), GRPS wireless data internet (15) and DNS name resolution (16); The domain name that wherein domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module (14), powered by solar power supply unit (12), at the scene or the long-range login software provided by domain name service business, IP and the domain name of setting up user's computer contact user computer; On-the-spot DTU surfing Internet with cell phone module (14), by GRPS wireless data internet (15) online, finds the IP address corresponding with this domain name through DNS name resolution (16), realizes the data wireless remote transmission that sensor gathers;
Data management and analysis system (17) comprises DSC radio data system (18), UDP contacts (19) and database (20); Wherein DSC radio data system (18) is installed on the online computer of user, utilize the internet function of GRPS wireless data internet (15), by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module (14) and online computer contacts (19), gathers accumulation data, forms database (20).
2. high roadbed distortion wireless remote comprehensive monitor system according to claim 1, it is characterized in that: built highway in all mountain areas, railway, airport, the height of embankment of building construction is greater than the evaluation project of 20m, its high fill foundation (27) or tall earth fill (28) are out of shape and stable employing single point settlement gage (2), earth pressure cell (5), pore pressure gauge (6), soil humidity sensor (7), the sensing system (1) that inclinometer (8) forms, by data collecting system (9) image data, wireless remote transmission is carried out through wireless transmitting system (13), the data management and analysis system (17) installed finally by the online computer of user carries out wireless remote comprehensive monitoring, monitoring frequency is according to construction speed and the setting of crucial operating mode.
3. high roadbed distortion wireless remote comprehensive monitor system according to claim 1, it is characterized in that: the evaluation project all height of embankments being greater than to 20m, the sedimentation and deformation of its high fill foundation (27) after work progress and work is monitored by the single point settlement gage (2) of different buried depth, namely along with the increase of height of embankment, to original ground, bearing stratum is stablized in the boring of different designs At The Height, bury multiple single point settlement gage (2) underground, not only can record delaminating deposition but also can total settlement be recorded by data collecting system (9).
4. high roadbed distortion wireless remote comprehensive monitor system according to claim 1, it is characterized in that: for the project of all employing soil humidity sensor (7) monitoring foundation soil water content, according to soil humidity sensor (7) software communication agreement, add high-accuracy resistance, change its current signal into voltage signal, access I type data acquisition module (11) realizes real-time radio remote monitoring, adopts high-accuracy resistance model to be 510 Ω, 15W.
5. the installation monitoring method of high roadbed distortion wireless remote comprehensive monitor system, its step comprised is as follows:
A, sensing system (1) Embedment and installation:
(1) single point settlement gage (2) Embedment and installation:
1., after smooth, the cleaning of original place base, hole according to monitoring scheme determination test point, aperture between 90mm ~ 127mm, boring vertical, hole depth reaches basement rock;
2. calculate the length of required extension bar according to hole-depth gauge, and assort extension bar joint;
3. the bottom anchoring assemblies and such as bottom anchor head, pvc pipe, pull bar are saved extension bar to be connected, in pvc pipe, then fill concrete grout;
4. be connected with the rope made of hemp on pvc pipe nylon rope one end, rope grows to few 3m longer than hole depth;
5. will fill with in the anchoring assembly patchhole of good slurry, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar, until all extension bars to have been connected rear last connection single point settlement gage;
6. with defeating installation depression bar, until bottom anchor head is depressed into basement rock;
7. after bottom anchor head is in place, pull at nylon rope, pvc pipe is drawn out at the bottom of hole, and concrete grout sinks at the bottom of hole, and anchoring bottom anchor head, then cuts off nylon rope;
8. with comprehensive tester, complete monitoring is carried out to single point settlement gage (2), ensure that single point settlement gage (2) is in the state of maximum range;
9. with sand backfill, compacting;
10. after installing single point settlement gage (2), test lead (3) is put PVC wired hose (4), grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple single point settlement gage (2) at different designs absolute altitude place, and test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the delaminating deposition at different raising soil body place and total settlement after Real-Time Monitoring high fill foundation (27) work progress and work;
(2) earth pressure cell (5) Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 30cm;
2. earth pressure cell (5) pressure-bearing face puts into hole upward, and bottom is inserted the dark medium sand compacting of 10cm and leveled up, and controls earth pressure cell (5) to install level with spirit level;
3. around it, the thick medium sand of 30cm is covered, compacting;
4. the test lead (3) of earth pressure cell (5) puts PVC wired hose (4) and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple earth pressure cell (5) at different designs absolute altitude place, and test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, after getting final product Real-Time Monitoring high fill foundation (27) work progress and work, different raising soil body place is stressed;
(3) pore pressure gauge (6) Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. pore pressure gauge (6) vertically puts into hole, and bottom is inserted the dark medium sand compacting of 5cm and leveled up, around it with medium sand fill up, compacting;
3. the test lead (3) of pore pressure gauge (6) puts PVC wired hose (4) and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, at high fill foundation and tall earth fill different designs absolute altitude place, multiple pore pressure gauge (6) is installed respectively, and test lead (3) is put PVC wired hose (4), the former grooving leads to the domatic place of high roadbed, the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, can the size of different raising place ground and the inner soil body pore water pressure of side slope after Real-Time Monitoring high roadbed work progress and work;
(4) soil humidity sensor (7) Embedment and installation:
1., after smooth, the cleaning of original place base, according to monitoring scheme determination test point and borehole, borehole is 40cm deeply about, and aperture is not less than 20cm;
2. make mud with filler, in the vertical patchhole of soil humidity sensor (7), bottom is inserted the dark medium sand compacting of 5cm and is leveled up, and fills up around it with mud;
3. the test lead (3) of soil humidity sensor (7) puts PVC wired hose (4) and protects, and grooving leads to high roadbed toe place, treats that next step is constructed;
With the carrying out of high roadbed construction, install multiple soil humidity sensor (7) at different designs absolute altitude place, and test lead (3) is put PVC wired hose (4), grooving leads to the domatic place of high roadbed, treats that next step is constructed; So, can the size of different raising soil body places water content after Real-Time Monitoring high fill foundation (27) work progress and work;
(5) inclinometer (8) Embedment and installation:
1. tall earth fill construction is to the design elevation place, after platform is smooth, cleaning, holes according to monitoring scheme determination test point, aperture at about 127mm, boring vertical, hole depth reaches basement rock;
2. according to actual hole depth, inclinometer pipe one is saved and couples together, put into hole, joint and joint need connect tight, be wound around 2 ~ 3 enclose blank area is all wrapped up by geotextiles, finally fasten at geotextiles two ends Plastic Bandage or thin wire, prevent the foreign matters such as silt from entering in pipe from joint area;
3. calculate the length of required extension bar according to hole depth and slidingtype inclination angle its length of comprehensively popping one's head in, and assort extension bar universal joint;
4. adopt universal joint and extension bar comprehensively to be popped one's head at slidingtype inclination angle to be connected, transfer and connect next joint extension bar to aperture place, to continue in patchhole and to connect next joint extension bar and comprehensively pop one's head in slidingtype inclination angle, after discharging under connecting until is comprehensively popped one's head in all slidingtype inclination angles, be fixed in mouth of pipe place, and the mouth of pipe wrapped up tight;
5. the test lead (3) of inclinometer (8) puts PVC wired hose (4) and protects, and on tall earth fill (28) platform, grooving is suitably protected, and treats that next step is constructed;
With the carrying out of high roadbed construction, install inclinometer (8) respectively at tall earth fill different designs absolute altitude place, and test lead (3) is put PVC wired hose (4), the latter suitably protects on tall earth fill platform, treats that next step is constructed; So, the size of different raising place side slope inside soil body lateral displacement after getting final product Real-Time Monitoring high roadbed work progress and work;
The design of B, data collecting system (9) and installation:
Single point settlement gage (2), earth pressure cell (5) and pore pressure gauge (6) belong to intelligent string type sensor, by A type data acquisition module (10) image data, according to access test lead (3) circuit number number, select 1A, 8A, 16A and 32A tetra-kinds of A type data acquisition modules (10) to combine, the overall channel number of composite module equals or slightly larger than number of probes; Inclinometer (8) output voltage signal, by I type data acquisition module (11) image data, soil humidity sensor (7) output current signal, according to its software communication agreement, after adding high-accuracy resistance, current signal changes voltage signal into, accessible I type data acquisition module (11) realizes real-time radio remote monitoring, according to access test lead (3) circuit number number, select 1I, 8I, 16I and 32I tetra-kinds of I type data acquisition modules (11) to combine, the overall channel number of composite module equals or slightly larger than number of probes;
The number of sensor is buried underground according to different height of embankment place, consider A type data acquisition module (10) and the installation position of I type data acquisition module (11) and number, make each sensor access the test lead (3) of acquisition module is the shortest, image data maximization in work progress simultaneously; The concrete installation steps of acquisition module are as follows:
1. according to on-site actual situations, determine that data collecting system is imbedded underground or is fixed on applicable position, build some ancillary structures, respectively A type data acquisition module (10) or I type data acquisition module (11) and solar power supply unit (12) are installed;
2. the vinyl cover screw of acquisition module is back-outed, uncap, by Sensor output from the wiring terminal in water joint access box body, the color of line is corresponding with the mark of prap, tightens prap and water joint;
3. power line and 485 connections are connected; Connect USB at computer terminal and turn 485 conversion lines, conversion line 485 end is connected with acquisition module 485 line; The driving of installation bus type sensor software and conversion line on computers;
4. power to acquisition module, circuit start detects once, if extinguished after green light, then determines that instrument is connected with sensor normally; Extinguish after green light flicker when sensor does not connect, reconnect pickup wire;
5. open computer bus type sensor software, acquisition module various functions is tested;
C, wireless transmitting system (13) installation and debugging:
1. by data acquisition module test lead (3) series connection in each accessory structure;
2. the domain name that domain name service business provides is set in on-the-spot DTU surfing Internet with cell phone module (14);
3. the software provided by domain name service business when computer is logined successfully, and sets up contact by the IP of user's computer and domain name; On-the-spot DTU surfing Internet with cell phone module (14) is surfed the Net by GRPS wireless data internet (15), through the IP address that DNS name resolution (16) finds this domain name corresponding, i.e. and the online computer of user;
4. surfing Internet with cell phone flow card is installed, debugs;
D, data management and analysis system (17) are installed:
1. at the online computer of user, DSC radio data system (18) is installed, utilize the internet function of GRPS wireless data internet (15), by arranging the mode of domain name, the UDP set up between DTU surfing Internet with cell phone module (14) and online computer contacts (19);
2. run peanut shell program, log in corresponding domain name, wait for that domain name mapping is corresponding IP address by peanut shell;
3. start service, select UDP to contact (19) pattern, dial the phonecard placed in mobile phone terminal, by terminal wake-up, make terminal sign in internet;
4., after waiting for a period of time, the time is different depending on the on-site movable signal of mobile phone terminal and the Internet status that computer joins, and mobile phone terminal signs in on software, occurs terminal accession number in software;
5. click corresponding termination number, then this termination number can occur in the termination number frame selecting operand;
6. corresponding module numbering is set, module type can equally carry out other operation with wired collection;
E, monitoring system are implemented:
After apparatus arrangement is debugged, read the monitor value of each measuring point, pending data stablize credible after, get the average of three monitored data as initial monitor value; Monitoring frequency is set in DSC radio data system (18), building database (20), automatically gathers monitored data by online computer; Monitoring frequency changes flexibly according to site operation progress, and in the normal construction stage, set of frequency is every 1h/ time of day and night, and do not constructing and the construction key stage, monitoring frequency reduces accordingly and increases;
The data that monitoring unit online computer (21) collects are delivered to Construction unit's online computer (22), designing unit's online computer (23) and unit in charge of construction's online computer (24) by internet, realize high roadbed distortion wireless remote comprehensive monitoring.
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CN108225265A (en) * | 2018-03-05 | 2018-06-29 | 安徽理工大学 | A kind of soft soil roadbed deformation remote comprehensive monitoring system and installation method |
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