CN110361521A - A kind of wireless test apparatus calculating soil layer velocity of longitudinal wave by Double lumen intubation data - Google Patents
A kind of wireless test apparatus calculating soil layer velocity of longitudinal wave by Double lumen intubation data Download PDFInfo
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- CN110361521A CN110361521A CN201910666183.3A CN201910666183A CN110361521A CN 110361521 A CN110361521 A CN 110361521A CN 201910666183 A CN201910666183 A CN 201910666183A CN 110361521 A CN110361521 A CN 110361521A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of wireless test apparatus that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data, which includes base beam, support foot, bubble leveller, screen display, oil pump systems, master switch, data acquisition module and static sounding processing module.Apparatus of the present invention are able to record the value of corresponding cone and side friction under different depth state, velocity of longitudinal wave only can be calculated by less initial data, the velocity of longitudinal wave file based on change in depth is ultimately generated, mobile phone or computer terminal can be transmitted to by blue-tooth device or USB interface.The advantage of the invention is that not needing repeatedly to carry out native experiment in situ, wave velocity testing experiment, therefore these can be overcome to test brought defect, the velocity of longitudinal wave of soil layer, efficient quick where being only calculated by a small number of data that static sounding experiment obtains.
Description
Technical field
The present invention relates to soil body velocity of longitudinal waves to measure a new method, belongs to Geological Engineering, geotechnical engineering, geophysics neck
Domain, and in particular to a kind of wireless test apparatus that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data, the device is known
Data volume is less, and without can quickly determine longitudinal wave propagation speed, while can finally pass through in the case where wave speed measurement instrument
Wirelessly transmitting data.
Background technique
The original measuring method of soil body velocity of longitudinal wave has significant limitation, most common in the method for surveying velocity of longitudinal wave
Soil sample boring coring, that is, laboratory experiment method, these tests are required to obtain the drill hole sampling of high quality, are very for weak soil
Hardly possible obtains the soil body sample under undisturbed soil body reset condition, while to the sampling setting requirements of observation instrument, observation system
It is higher, it is difficult to restore the reset condition of soil sample.Since natural soil layer has very big anisotropy and feature complicated and changeable,
And longitudinal wave in-situ test method is vulnerable to direction of wave travel, the influence of particle reset condition, therefore finally tests velocity of longitudinal wave and tie
Fruit will cause significant impact and biggish deviation.Meanwhile the survey method of soil body compression modulus is mainly also to pass through in-situ test
Method, process is very complicated.Generally by confined compression test, also laboratory test, needs height to restore the soil body
Reset condition measures the stress-strain relation of soil, obtains compression modulus, test specification is very high, and the period is very long, at high cost
It is high, it is not easy to realize.
Domestic experimental rig is necessarily required to add in static sounding device if expecting velocity of longitudinal wave data at present for comparison
If velocity of longitudinal wave measurement module, multiple module buying causes to spend larger；Disparate modules easily interfere with each other, difficult communication, mould
The easily a large amount of losses in the line of quasi- signal, distortion；Velocity of longitudinal wave measurement module needs account for inside narrow static sounding probe
According to big quantity space, thus it is more demanding to the wear-resisting flexural capacity of instrument.And apparatus of the present invention accomplish only to pass through seldom for the first time
Initial data can obtain velocity of longitudinal wave.
Summary of the invention
The purpose of the present invention is being directed to the deficiency of existing measurement means, provide a kind of by Double lumen intubation data calculating soil
The wireless test apparatus of layer velocity of longitudinal wave.The device acquires original static sounding data, and the program embedded by arithmetic unit is to original
Beginning data are handled, and velocity of longitudinal wave value is finally found out, and obtain the velocity of longitudinal wave distribution of different depth.
The present invention is implemented with the following technical solutions:
A kind of wireless test apparatus of the velocity of longitudinal wave of the corresponding soil layer of Double lumen intubation data calculating, including base beam,
Support foot, bubble leveller, screen display, oil pump systems, master switch and data acquisition module；
The data acquisition module includes feeler lever, and the feeler lever has one section of hollow structure by close end, it is described in
It is equipped with sleeve inside hollow structure, the feeler lever end is connected with cone head, and the junction of the feeler lever and cone head is equipped with
Filter obtains a specific frequency for effectively filtering out to the frequency other than the frequency point of specific frequency or the frequency point
Useful signal；The junction of the cone head and sleeve is equipped with resistive force sensor, for measuring static point resistance；The sleeve
It is equipped with friction sensor and depth transducer between feeler lever, is respectively used to measurement side friction and depth, in the sleeve
It is additionally provided with cable, is used for transmission the data that sensor is captured；
The device further includes static sounding processing module, the static sounding processing module include memory, controller,
Arithmetic unit and blue-tooth device, the memory are used for the data that storage sensor is captured, and the controller is for adjusting
Data Concurrent in access to memory goes out corresponding instruction, and the arithmetic unit receives in memory according to the instruction received
Data are simultaneously handled, and data are transferred to memory by treated；For receiving, treated counts the blue-tooth device
According to；
The base beam is used for catching device each section；The support foot is installed on ground for fixing, and to
Ground uniformly presses；The bubble leveller is used for regulating device, so that device is generally in horizontality；The screen
Display is used to show the data of current data processing progress and data collecting module collected, at present stored successful data
Amount, the connection status of blue-tooth device, while Noctilucent device being provided；The oil pump systems for being under power failure or field condition
Device provides electric energy.
In above-mentioned technical proposal, further, the method that the arithmetic unit handles data are as follows: in conjunction with different depths
The value (ratio of side friction and static point resistance) of corresponding frictional ratio under degree state, and combine soil layer color, uniform soil quality shape
Condition, silt content, shake reaction, strength and toughness etc. judge soil layer type, and (soil layer generally can be divided into sand, clay etc., generally
For, frictional ratio is stickiness soil layer, and lesser is sand；According to soil layer color, uniform soil quality situation, silt content is shaken
Vibration reaction, strength and toughness etc. judge that soil layer type is the more conventional operation in this field, can rule of thumb judge to obtain coating
Type；Two methods combine more acurrate), and the soil layer type of different depth is marked；Static point resistance in various soil mass, no
Same area corresponds to different compression modulus, and the two meets linear relationship, is corresponding with different empirical equations；According to inhomogeneity soil
The corresponding empirical coefficient (empirical coefficient can be obtained by existing local regulation) of layer, can find out the compression of corresponding soil layer
Modulus, finally according to the soil density of different depth, Poisson's ratio, according to following formula,
The velocity of longitudinal wave of soil layer can be found out, wherein ρ is soil density, and υ is Poisson's ratio, and E is the compression modulus of soil layer.
Further, RS485 bus transfer mode is all made of between the memory, controller and arithmetic unit.
Further, there are USB interfaces below the screen display, facilitate data to transmit, screen display can be shown
Show current data processing progress, at present stored successful data volume, bluetooth connection status, the depth of current cone head.
Further, the static sounding sensor processing module uses embedded system, and application code exists
In ROM, hardware is combined into one with software.The data generated in the memory can exist with txt, excel file format.
Further, the cone head uses seamless steel pipe.
The beneficial effects of the present invention are:
Apparatus of the present invention are able to record the value of corresponding static point resistance and side friction under different depth state, only by compared with
Velocity of longitudinal wave can be calculated in few initial data；
In apparatus of the present invention, data can thoroughly avoid wire transmission by bluetooth device transmissions to computer, mobile device
It is cumbersome, while in order to guarantee intercommunication it is reliable with it is real-time, instrument cover face is equipped with button to control the switch shape of bluetooth
State with connect；
Apparatus of the present invention use RS485 bus transfer data, can eliminate the loss and interference of signal in signals transmission；
Apparatus of the present invention can provide 6V direct current by potential device, can also be adapted to by oil pump systems converting electrical energy
Various field conditions can guarantee while acquiring quality data, suppress interference signal.
The screen display of apparatus of the present invention can show the depth of current data processing progress and cone head, deposit at present
Successful data volume, bluetooth connection status are stored up, while Noctilucent device being provided.
Detailed description of the invention
Fig. 1 is a kind of knot of wireless test apparatus that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data of the invention
Structure schematic diagram.
Fig. 2 is a kind of static sounding processing module that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data of the invention
Software systems schematic diagram.
In figure, 1, cone head, 2, resistive force sensor, 3, friction sensor, 4, depth transducer, 5, sleeve, 6, feeler lever, 7,
Filter, 8, cable, 9, base beam, 10, support foot, 11, bubble leveller, 12, screen display, 13, static sounding processing
Module, 14, oil pump systems, 15, master switch.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the technical detail in the present invention is carried out to detailed complete displaying, base
Content in the present invention, those of ordinary skill in the art are based on of the invention its without making creative work
His case study on implementation, belongs to the scope of protection of the invention.
Fig. 1 is a kind of knot of wireless test apparatus that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data of the invention
Structure schematic diagram, comprising with lower component: base beam 9, support foot 10, bubble leveller 11, screen display 12, static sounding processing
Module 13, oil pump systems 14, master switch 15 and data acquisition module.
Fig. 2 is a kind of static sounding processing module that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data of the invention
Software systems schematic diagram, including memory, controller, arithmetic unit, blue-tooth device, display.
The data acquisition module includes feeler lever 6, and the feeler lever 6 has one section of hollow structure by close end, described
Sleeve 5 is equipped with inside hollow structure, 6 end of feeler lever is connected with cone head 1, the connection of the feeler lever 6 and cone head 1
Place is equipped with filter 7, for filtering out to unwanted frequency；The junction of the cone head 1 and sleeve 5 is equipped with resistance
Sensor 2, for measuring static point resistance；Friction sensor 3 and depth transducer 4 are equipped between the sleeve 5 and feeler lever 6,
It is respectively used to measurement side friction and depth, cable 8 is additionally provided in the sleeve 5, is used for transmission what sensor was captured
Data.
The static sounding processing module 13 includes memory, controller, arithmetic unit and blue-tooth device, the storage
Device is used for the initial data that storage sensor is captured, and the Data Concurrent that the controller is used to transfer in memory goes out phase
The instruction answered, the arithmetic unit receive the data in memory and are handled according to the instruction received, and will be after processing
Data be transferred to memory；The blue-tooth device is for receiving treated data.
The base beam 9 is for accepting upper unit each section；The support foot 10 is installed on ground for fixation
On, and uniformly press to the ground；The bubble leveller 11 is used for regulating device, so that device is generally in horizontality；
The screen display 12 is used to show the data of current data processing progress and data collecting module collected, has deposited at present
Successful data volume, the connection status of blue-tooth device are stored up, while Noctilucent device being provided；The oil pump systems 14 are for having a power failure
Or electric energy is provided for device under field condition.
The method that the arithmetic unit handles data are as follows: in conjunction with the value of corresponding frictional ratio under different depth state
(ratio of side friction and static point resistance), judges the type of soil layer, (soil layer generally can be divided into sand, clay etc., it is general and
Speech, frictional ratio is stickiness soil layer, and lesser is sand；According to soil layer color, uniform soil quality situation, silt content, shake
Reaction, strength and toughness etc. judge that soil layer type is the more conventional operation in this field, can rule of thumb judge to obtain soil layer class
Type；Two methods combine more acurrate), and the soil layer type of different depth is marked；Static point resistance is in various soil mass, difference
Area correspond to different compression modulus, the two meets linear relationship, is corresponding with different empirical equations；According to inhomogeneity soil layer
Corresponding empirical coefficient, the compression modulus of corresponding soil layer can be found out, the final soil density in conjunction with different depth, Poisson
Than according to following formula
The longitudinal wave propagation speed of soil layer can be found out, wherein ρ is soil density, and υ is Poisson's ratio, and E is the compression mould of soil layer
Amount, can find out the longitudinal wave propagation speed of soil layer.
RS485 bus transfer mode is all made of between the memory, controller and arithmetic unit.The screen is shown
There are USB interfaces for 12 lower section of device, and data is facilitated to transmit.The static sounding sensor processing module uses embedded system,
The data generated in the memory are with the presence of txt, excel file format.The cone head 1 uses seamless steel pipe.
It is described below using a kind of wireless test for calculating soil layer velocity of longitudinal wave by Double lumen intubation data of the invention
The specific steps that device is tested:
System master switch 15 is opened, locating area (such as south China, North China, Central China etc. are selected on screen display 12
Area, different regions, empirical coefficient is different, needs to be set in advance) the indicator light is always on for waiting, indicate that blue-tooth device is just normally opened
It opens；
Package unit is placed on survey region vertically, pressure is applied to feeler lever 6, is pressed into soil, in 6 motion process of feeler lever
In the middle, each sensor is started to work, 4 start recording depth of depth transducer, and resistive force sensor 2 and friction sensor 3 are distinguished
Start to measure static point resistance and side friction；Pass through the color of soil layer, uniform soil quality situation, silt content, shake reaction, intensity
Toughness etc. judges the type of corresponding soil layer, and the soil layer type of different depth is marked；Data are passed by RS485 bus
It transports to static sounding processing module 13 to be handled, screen display 12 shows the data volume stored at present and current cone head
1 depth, the soil layer velocity of longitudinal wave being calculated are transmitted to terminal device eventually by blue-tooth device or USB data interface.
Claims (6)
1. a kind of wireless test apparatus for calculating soil layer velocity of longitudinal wave by Double lumen intubation data, which is characterized in that packet
Include base beam (9), support foot (10), bubble leveller (11), screen display (12), oil pump systems (14), master switch (15)
And data acquisition module,
The data acquisition module includes feeler lever (6), and the feeler lever (6) has one section of hollow structure by close end, described
Sleeve (5) are equipped with inside hollow structure, the feeler lever (6) end is connected with cone head (1), the feeler lever (6) and cone
The junction of head (1) is equipped with filter (7), filters out for the extraneous unwanted signals to each sensor；The cone head
(1) resistive force sensor (2) are equipped with the junction of sleeve (5), for measuring static point resistance；The sleeve (5) and feeler lever (6)
Between be equipped with friction sensor (3) and depth transducer (4), be respectively used to measure side friction and depth, the sleeve (5)
Cable (8) are inside additionally provided with, the data that sensor is captured are used for transmission；
The device further includes static sounding processing module (13), and the static sounding processing module (13) includes memory, control
Device, arithmetic unit and blue-tooth device processed, the memory are used for the data that storage sensor is captured, and the controller is used
Go out corresponding instruction in transferring the Data Concurrent in memory, the arithmetic unit receives in memory according to the instruction received
Data and handled, and will treated that data are transferred to memory；Treated for receiving for the blue-tooth device
Data；
The base beam (9) is for accepting upper unit；The support foot (10) is uniform for fixing device, and to the ground
Pressure；The bubble leveller (11) is used for regulating device, so that device is generally in horizontality；The screen is shown
Device (12) is used to show the data of current data processing progress and data collecting module collected, current stored successful data
Amount, the connection status of blue-tooth device, while Noctilucent device being provided；The oil pump systems (14) are used in power failure or field condition
Electric energy is provided down for device.
2. the wireless test apparatus according to claim 1 that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data,
It is characterized in that: the method that the arithmetic unit handles data are as follows: in conjunction with corresponding side friction under different depth state
With the ratio of static point resistance, and the type of soil layer is judged according to the soil sample type at scene, and to the soil layer type of different depth
It is recorded；Static point resistance corresponds to different compression modulus in different soil, different regions, and the two meets linear relationship, according to
Empirical coefficient corresponding to different soil finds out the compression modulus of corresponding soil layer；Finally combine the soil density of different depth, pool
Loose ratio can find out the longitudinal wave propagation speed of soil layer.
3. the wireless test apparatus according to claim 1 that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data,
It is characterized in that: being all made of RS485 bus transfer mode between the memory, controller and arithmetic unit.
4. the wireless test apparatus according to claim 1 that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data,
Be characterized in that: there are USB interfaces below the screen display (12), and data is facilitated to transmit.
5. the wireless test apparatus according to claim 1 that soil layer velocity of longitudinal wave is calculated by Double lumen intubation data,
Be characterized in that: the static sounding sensor processing module uses embedded system, the data generated in the memory
With the presence of txt, excel file format.
6. the wireless test apparatus according to claim 1 for calculating soil layer velocity of longitudinal wave by Double lumen intubation data, institute
The cone head (1) stated uses seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666183.3A CN110361521A (en) | 2019-07-23 | 2019-07-23 | A kind of wireless test apparatus calculating soil layer velocity of longitudinal wave by Double lumen intubation data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910666183.3A CN110361521A (en) | 2019-07-23 | 2019-07-23 | A kind of wireless test apparatus calculating soil layer velocity of longitudinal wave by Double lumen intubation data |
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| CN110361521A true CN110361521A (en) | 2019-10-22 |
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| CN201910666183.3A Pending CN110361521A (en) | 2019-07-23 | 2019-07-23 | A kind of wireless test apparatus calculating soil layer velocity of longitudinal wave by Double lumen intubation data |
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Citations (2)
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| CN102561296A (en) * | 2012-04-05 | 2012-07-11 | 铁道第三勘察设计院集团有限公司 | Static cone penetration test method |
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2019
- 2019-07-23 CN CN201910666183.3A patent/CN110361521A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174807A (en) * | 2011-01-28 | 2011-09-07 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
| CN102561296A (en) * | 2012-04-05 | 2012-07-11 | 铁道第三勘察设计院集团有限公司 | Static cone penetration test method |
Non-Patent Citations (4)
| Title |
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| 尤迪: "常州地区双桥静力触探确定黏性土压缩模量方法探讨", 《山西建筑》 * |
| 李彰明: "《软土地基加固的理论、设计与施工》", 31 July 2006 * |
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