CN107942038A - Slope retaining model assay systems and test method - Google Patents
Slope retaining model assay systems and test method Download PDFInfo
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- CN107942038A CN107942038A CN201711432563.8A CN201711432563A CN107942038A CN 107942038 A CN107942038 A CN 107942038A CN 201711432563 A CN201711432563 A CN 201711432563A CN 107942038 A CN107942038 A CN 107942038A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/24—Earth materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The present invention provides a kind of slope retaining model assay systems and test method, including Artificial Side-slope model, horizontal device for exerting, friciton compensation device and the electronic monitoring device being arranged in hollow system framework；Wherein Artificial Side-slope model, including slider bed, the gliding mass that is arranged in the slider bed and multiple retaining structures；The horizontal compression system is arranged on the side of the gliding mass, for applying thrust to the gliding mass, so that the gliding mass applies thrust to the retaining structure；The friciton compensation device is arranged on the side of the gliding mass, including spring spool, spring and two spring shims, and the frictional force between the gliding mass and the slider bed is compensated for the elastic force by the spring；The electronic monitoring device includes resistance strain gage, horizontal ruler and resistance strain gauge, pass through the setting of electronic supervisory system, improve the stress of retaining structure and deformation monitoring is difficult to reach preferable precision, by the setting of friciton compensation device, the perfect slope retaining model assay systems.
Description
Technical field
The invention belongs to Geotechnical Engineering field, is to be related to a kind of slope retaining model assay systems more specifically
And test method.
Background technology
With gradually increasing for mountainous exploration, construction of the building slope in mountainous region is also more and more.For rationally, make full use of
Land resource, is usually arranged to foundation pit by slope Gu Chu, and periphery, which is filled out, scrapes out side slope, with stake supporting, circular passage be arranged on foundation pit and
Between side slope.Finite soil is so formd between retaining structure.
Research to finite soil at present and seldom to the research of influence of the finite soil to retaining structure.In side slope branch
Keep off structure design in, engineering staff determines its size to effect of the retaining structure to finite soil by personal experience, with compared with
Strong randomness and blindness, in the prior art, there are the stress of retaining structure and deformation in slope retaining model test to supervise
The problem of survey is difficult to reach preferable precision, experimental rig imperfection, and the frictional force between gliding mass and slider bed is difficult to simulation.
The content of the invention
It is an object of the invention to provide a kind of slope retaining model assay systems and test method, it is intended to solves existing skill
The stress of retaining structure and deformation monitoring are difficult to reach preferable precision in the slope retaining model test of art, gliding mass and slider bed it
Between frictional force be difficult to simulation the problem of.
To achieve the above object, the embodiment of the present invention provides a kind of side slope model assay systems, including：Artificial Side-slope mould
Type, horizontal device for exerting, friciton compensation device, electronic monitoring device and hollow system framework；
Wherein Artificial Side-slope model, including slider bed, the gliding mass that is arranged in the slider bed and multiple retaining structures；It is described
One end of retaining structure is arranged in the slider bed through the gliding mass；
The horizontal compression system is arranged on the side of the gliding mass, including hydraulic jack, jack base reaction plate
With ground bulk resistive spacer, for the gliding mass apply thrust so that the gliding mass to the retaining structure apply thrust；
The friciton compensation device is arranged on the side of the gliding mass, including spring spool, spring and two spring shims,
The frictional force between the gliding mass and the slider bed is compensated for the elastic force by the spring；
The electronic monitoring device includes resistance strain gage, horizontal ruler and resistance strain gauge；The resistance strain gage is used
In the deformation and stress that monitor the retaining structure；The resistance strain gauge is connected with the resistance strain gage, for showing
State the measurement result of resistance strain gage；The horizontal ruler is used for the displacement for monitoring the gliding mass；
The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device and the monitoring device are all provided with
Put in the system framework.
Further, the slope retaining model assay systems further include amesdial and are arranged at the system framework top
The amesdial fixing device in portion；
The amesdial is used for the displacement for monitoring retaining structure；
The amesdial fixing device includes mechanical arm, mechanical arm beam, track and the pulley slided in the track；
The mechanical arm is connected with the mechanical arm beam, and the amesdial is fixed on the mechanical arm；
The both ends of the mechanical arm beam are respectively arranged with the pulley；
The both sides of the top plate of the system framework are respectively arranged with the track.
Further, the electronic monitoring device further includes soil pressure cell；
A soil pressure cell, the soil pressure cell are embedded with finite soil between two retaining structure of arbitrary neighborhood
For monitoring the internal stress of the finite soil；The resistance strain gauge is connected with the soil pressure cell, for showing the soil
The measurement result of pressure cell.
Further, the electronic monitoring device further includes anchor point patch；
The anchor point patch is arranged on the outside of the gliding mass and/or at the top of the retaining structure, for detecting the cunning
The deformation of body and the retaining structure.
Further, the electronic monitoring device further includes high-speed camera；
The high-speed camera is used for the retaining structure and the gliding mass during shooting experiment, so that user is according to bat
The picture taken the photograph determines displacement and the deformation situation of the retaining structure and the gliding mass.
Further, the compacting Rock And Soil for the actual gliding mass that the gliding mass is gathered by engineering site is formed, the slider bed by
The compacting Rock And Soil of the actual slider bed of engineering site collection is formed.
Further, the ground bulk resistive spacer, the jack back of the body are provided between the jack and the gliding mass
Side from the gliding mass is provided with the jack base reaction plate, the jack base reaction plate and the system framework
Connection.
Further, in the friciton compensation device, the spring is arranged in the spring spool, and the one of the spring
End connects the jack base reaction plate by a spring shim, and the other end of the spring passes through described in another
Spring shim connects the Rock And Soil group partition plate.
Further, the retaining structure includes friction pile or anchor cable ground beam.
The embodiment of the present invention also provides a kind of test method based on the slope retaining model assay systems, including with
Lower step：
The assembled system framework；
Build the gliding mass 2 and the slider bed 3 by laying bricks or stones, the pre-buried retaining structure 4, sets the resistance strain gage；
The horizontal ruler is installed and opens its automatic reading device, the resistance strain gage output terminal is connected to described
Resistance strain gauge；
The horizontal compression system and the friciton compensation system are installed, the spring is adjusted according to experiment demand, to mend
The frictional force between the gliding mass and the slider bed is repaid, operates the hydraulic jack, horizontal thrust is applied to the gliding mass.
The beneficial effect of a kind of slope retaining model assay systems provided in an embodiment of the present invention and test method is：With
The prior art is compared, slope retaining model assay systems provided by the invention and test method, including：Artificial Side-slope model, water
Flat device for exerting, friciton compensation device, electronic monitoring device and hollow system framework；Wherein Artificial Side-slope model, including cunning
Bed, the gliding mass being arranged in the slider bed and multiple retaining structures；One end of the retaining structure is set through the gliding mass
In the slider bed；The horizontal compression system is arranged on the side of the gliding mass, including hydraulic jack, jack base are anti-
Power plate and ground bulk resistive spacer, for applying thrust to the gliding mass, so that the gliding mass applies thrust to the retaining structure；
The friciton compensation device is arranged on the side of the gliding mass, including spring spool, spring and two spring shims, for passing through
The elastic force of the spring compensates the frictional force between the gliding mass and the slider bed；The electronic monitoring device includes electricity
Hinder foil gauge, horizontal ruler and resistance strain gauge；The resistance strain gage is used for deformation and the stress for monitoring the retaining structure；
The resistance strain gauge is connected with the resistance strain gage, for showing the measurement result of the resistance strain gage；The level
Scale is used for the displacement for monitoring the gliding mass；The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device
It is arranged at the monitoring device in the system framework, by the setting of electronic supervisory system, improves retaining structure
The precision of stress and deformation monitoring, by the setting of friciton compensation device, effectively simulates the frictional force between gliding mass and slider bed,
The perfect slope retaining model assay systems.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of slope retaining model assay systems provided in an embodiment of the present invention；
Fig. 2 is horizontal device for exerting and friciton compensation dress in slope retaining model assay systems provided in an embodiment of the present invention
Put the scheme of installation in system framework；
Fig. 3 is the arrangement schematic diagram of retaining structure in slope retaining model assay systems provided in an embodiment of the present invention；
Reference numeral：System framework 1, slider bed 2, gliding mass 3, retaining structure 4, hydraulic jack 5, jack base reaction plate
6, ground bulk resistive spacer 7, spring spool 8, horizontal ruler 9.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Specific embodiment：
As shown in Figs. 1-2, a kind of side slope model test apparatus, including：Artificial Side-slope model, horizontal device for exerting, friction
Compensation device, electronic monitoring device and hollow system framework 1；Wherein Artificial Side-slope model, including slider bed 2, be arranged at it is described
Gliding mass 3 and multiple retaining structures 4 in slider bed 2, the slider bed 2 are arranged on the bottom of the system framework 1, the supporting and retaining system
Structure 4 could be provided as two rows；4 bottom of retaining structure sequentially passes through the gliding mass 3 and slider bed 2；The horizontal pressure system
System is arranged on the side of the gliding mass 3, including hydraulic jack 5, jack base reaction plate 6 and ground bulk resistive spacer 7, uses
In applying thrust to the gliding mass 3, so that the gliding mass 3 applies thrust to the retaining structure 4；The friciton compensation device is set
Put in the side of the gliding mass 3, including spring spool 8, spring and two spring shims, for the elastic force pair by the spring
Frictional force between the gliding mass and the slider bed compensates；The electronic monitoring device includes resistance strain gage, horizontal mark
Ruler 9 and resistance strain gauge；The resistance strain gage is used for deformation and the stress for monitoring the retaining structure；The resistance strain gauge
It is connected with the resistance strain gage, for showing the measurement result of the resistance strain gage；The horizontal ruler 9 is used to monitor institute
State the displacement of gliding mass；The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device and the monitoring device
It is arranged in the system framework 1.Preferably, 1 side of system framework is provided with glass baffle plate, easy to observe the cunning
The deformation situation of body 3 and the retaining structure 4.
The application method of the slope retaining model assay systems is：The assembled system framework 1；Build the gliding mass 2 by laying bricks or stones
With the slider bed 3, the pre-buried retaining structure 4, the resistance strain gage is set on the retaining structure 4, each branch
A resistance strain gage is at least set in gear structure 4；The horizontal ruler 9 is installed and opens its automatic reading device, institute
The side that horizontal ruler 9 is arranged on the system framework 1 is stated, it is parallel with the moving direction of the gliding mass, by the resistance-strain
Piece output terminal is connected to the resistance strain gauge；The horizontal compression system and the friciton compensation system are installed, according to experiment
Demand adjusts the spring, and to compensate the frictional force between the gliding mass and the slider bed, dynamics that spring is stretched is bigger to be mended
Frictional force between the gliding mass repaid and the slider bed is bigger, operates the hydraulic jack 5, and the gliding mass application level is pushed away
Power.
The beneficial effect of a kind of slope retaining model assay systems provided in an embodiment of the present invention and test method is：With
The prior art is compared, slope retaining model assay systems provided by the invention and test method, including：Artificial Side-slope model, water
Flat device for exerting, friciton compensation device, electronic monitoring device and hollow system framework 1；Wherein Artificial Side-slope model, including cunning
Bed 2, the gliding mass 3 and multiple retaining structures 4 being arranged in the slider bed 2；One end of the retaining structure 4 passes through the gliding mass
3 are arranged in the slider bed 2；The horizontal compression system is arranged on the side of the gliding mass 3, including hydraulic jack 5, very heavy
Base reaction plate 6 and ground bulk resistive spacer 7 are pushed up, for applying thrust to the retaining structure 4 by the gliding mass 3；It is described to rub
The side that compensation device is arranged on the gliding mass 3, including spring spool 8, spring and two spring shims are wiped, for by described
The elastic force of spring compensates the frictional force between the gliding mass and the slider bed；The electronic monitoring device should including resistance
Become piece, horizontal ruler 9 and resistance strain gauge；The resistance strain gage is used for deformation and the stress for monitoring the retaining structure；Institute
State resistance strain gauge to be connected with the resistance strain gage, for showing the measurement result of the resistance strain gage；The horizontal mark
Ruler 9 is used for the displacement for monitoring the gliding mass；The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device
It is arranged at the monitoring device in the system framework 1, by the setting of electronic supervisory system, improves retaining structure
Stress and deformation monitoring are difficult to reach preferable precision, by the setting of friciton compensation device, the perfect slope retaining mould
Type pilot system.
Further, the slope retaining model assay systems further include amesdial and are arranged at the system framework 1
The amesdial fixing device at top；
The amesdial is used for the displacement for monitoring retaining structure 4；
The amesdial fixing device includes mechanical arm, mechanical arm beam, track and the pulley slided in the track；
The mechanical arm is connected with the mechanical arm beam, and the amesdial is fixed on the mechanical arm；
The both ends of the mechanical arm beam are respectively arranged with the pulley；
The both sides of the top plate of the system framework 1 are respectively arranged with the track；
Preferably, the mechanical arm is scalable mechanical arm, easy to which the amesdial more accurately is positioned at the branch
The surface of structure 4 is kept off, to determine the displacement of the retaining structure 4.
Further, the electronic monitoring device further includes soil pressure cell；
A soil pressure cell, the soil pressure are embedded with finite soil between two retaining structure 4 of arbitrary neighborhood
Box is used for the internal stress for monitoring the finite soil；The resistance strain gauge is connected with the soil pressure cell, described for showing
The measurement result of soil pressure cell, the resistance strain gauge can also connect on computers, by described in computer at the same time display
The measurement result of soil pressure cell and the resistance strain gage, easy to record and count.
Further, the electronic monitoring device further includes anchor point patch；
The anchor point patch is arranged on the outside of gliding mass 3 and/or the top of the retaining structure 4, described for detecting
The deformation of gliding mass 3 and the retaining structure 4, is arranged on the anchor point patch in the outside of gliding mass 3 with the soil body in gliding mass 3
Movement and be subjected to displacement, the convenient deformation situation for intuitively checking the soil body in gliding mass 3.
Further, the electronic monitoring device further includes high-speed camera；
The high-speed camera is used to shooting the retaining structure 4 and the gliding mass 3 during experiment so that user according to
The picture of shooting determines displacement and the deformation situation of the retaining structure 4 and the gliding mass 3.
Further, the compacting Rock And Soil for the actual gliding mass that the gliding mass 3 is gathered by engineering site is formed, the slider bed 2
It is made of the compacting Rock And Soil of actual slider bed of engineering site collection, using the compacting Rock And Soil with engineering site the same terms,
Be conducive to improve test mass.
Further, the ground bulk resistive spacer 7, the jack are provided between the jack 5 and the gliding mass 3
5 are provided with the jack base reaction plate 6, the jack base reaction plate 6 and the system away from the side of the gliding mass 3
System frame 1 connects, and the jack base reaction plate 6 is to be detachably connected with the system framework, can be by varying described
The force application location that the change hydraulic jack 5 in position is set of jack base reaction plate 6.Preferably, the jack 5,
The Rock And Soil group partition plate 7 and the jack base reaction plate 6 are two, and it is opposite to be separately positioned on the gliding mass
Both sides.
Further, in the friciton compensation device, the spring is arranged in the spring spool 8, the spring
One end connects the jack base reaction plate 6 by a spring shim, and the other end of the spring passes through another
The spring shim connects the Rock And Soil group partition plate 7.Preferably, the spring includes two, and one is arranged on the gliding mass 3
Side, another is arranged on the opposite opposite side of the gliding mass 3；Correspondingly, the spring spool is also including two, described two
A spring is respectively arranged in the spring spool 8.
Further, the retaining structure 4 includes friction pile or anchor cable ground beam, convenient that different retaining structures 4 are tried
Test, improve the recycling rate of waterused of the slope retaining model assay systems.
The embodiment of the present invention also provides a kind of test method based on the slope retaining model assay systems, including with
Lower step：
The assembled system framework 1；
Build the gliding mass 2 and the slider bed 3 by laying bricks or stones, the pre-buried retaining structure 4, sets the resistance strain gage；
The horizontal ruler 9 is installed and opens its automatic reading device, the resistance strain gage output terminal is connected to institute
State resistance strain gauge；
The horizontal compression system and the friciton compensation system are installed, the spring is adjusted according to experiment demand, to mend
The frictional force between the gliding mass and the slider bed is repaid, operates the hydraulic jack 5, horizontal thrust is applied to the gliding mass.
A kind of slope retaining model test method provided in an embodiment of the present invention, compared with prior art, is supervised by electronics
The setting of examining system, improves the stress of retaining structure and deformation monitoring is difficult to reach preferable precision, is filled by friciton compensation
The setting put, the perfect slope retaining model assay systems.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. slope retaining model assay systems, it is characterised in that including：Artificial Side-slope model, horizontal device for exerting, friction Compensation device, electronic monitoring device and hollow system framework；Wherein Artificial Side-slope model, including slider bed, the gliding mass that is arranged in the slider bed and multiple retaining structures；The supporting and retaining system One end of structure is arranged in the slider bed through the gliding mass；The horizontal compression system is arranged on the side of the gliding mass, including hydraulic jack, jack base reaction plate and rock Soil body baffler, for applying thrust to the gliding mass, so that the gliding mass applies thrust to the retaining structure；The friciton compensation device is arranged on the side of the gliding mass, including spring spool, spring and two spring shims, is used for The frictional force between the gliding mass and the slider bed is compensated by the elastic force of the spring；The electronic monitoring device includes resistance strain gage, horizontal ruler and resistance strain gauge；The resistance strain gage is used to supervise Survey deformation and the stress of the retaining structure；The resistance strain gauge is connected with the resistance strain gage, for showing the electricity Hinder the measurement result of foil gauge；The horizontal ruler is used for the displacement for monitoring the gliding mass；The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device and the monitoring device are arranged at In the system framework.
- 2. slope retaining model assay systems according to claim 1, it is characterised in that further include amesdial and be arranged at Amesdial fixing device at the top of the system framework；The amesdial is used for the displacement for monitoring retaining structure；The amesdial fixing device includes mechanical arm, mechanical arm beam, track and the pulley slided in the track；The mechanical arm is connected with the mechanical arm beam, and the amesdial is fixed on the mechanical arm；The both ends of the mechanical arm beam are respectively arranged with the pulley；The both sides of the top plate of the system framework are respectively arranged with the track.
- 3. slope retaining model assay systems according to claim 1, it is characterised in that the electronic monitoring device also wraps Include soil pressure cell；A soil pressure cell is embedded with finite soil between two retaining structure of arbitrary neighborhood, the soil pressure cell is used for Monitor the internal stress of the finite soil；The resistance strain gauge is connected with the soil pressure cell, for showing the soil pressure The measurement result of box.
- 4. slope retaining model assay systems according to claim 1, it is characterised in that the electronic monitoring device also wraps Include anchor point patch；The anchor point patch is arranged on the outside of the gliding mass and/or at the top of the retaining structure, for detect the gliding mass with The deformation of the retaining structure.
- 5. slope retaining model assay systems according to claim 1, it is characterised in that the electronic monitoring device also wraps Include high-speed camera；The high-speed camera is used for the retaining structure and the gliding mass during shooting experiment, so that user is according to shooting Picture determines displacement and the deformation situation of the retaining structure and the gliding mass.
- 6. according to claim 1-5 any one of them slope retaining model assay systems, it is characterised in that the gliding mass is by work The compacting Rock And Soil of the actual gliding mass of journey collection in worksite is formed, the compacting rock for the actual slider bed that the slider bed is gathered by engineering site The soil body is formed.
- 7. slope retaining model assay systems according to claim 1, it is characterised in that the jack and the gliding mass Between be provided with the ground bulk resistive spacer, it is anti-that the jack away from the side of the gliding mass is provided with the jack base Power plate, the jack base reaction plate are connected with the system framework.
- 8. slope retaining model assay systems according to claim 5, it is characterised in that in the friciton compensation device, The spring is arranged in the spring spool, and one end of the spring connects the jack by a spring shim Base reaction plate, the other end of the spring connect the Rock And Soil group partition plate by spring shim another described.
- 9. slope retaining model assay systems according to claim 1, it is characterised in that the retaining structure includes antiskid Stake or anchor cable ground beam.
- 10. a kind of test method based on claim 1-9 any one of them slope retaining model assay systems, its feature exist In comprising the following steps：The assembled system framework；Build the gliding mass and the slider bed by laying bricks or stones, the pre-buried retaining structure, sets the resistance strain gage；The horizontal ruler is installed and opens its automatic reading device, the resistance strain gage output terminal is connected to the resistance Deformeter；The horizontal compression system and the friciton compensation system are installed, the spring is adjusted according to experiment demand, to compensate The frictional force between gliding mass and the slider bed is stated, operates the hydraulic jack, horizontal thrust is applied to the gliding mass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711432563.8A CN107942038B (en) | 2017-12-26 | 2017-12-26 | Side slope support model test system and test method |
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|---|---|---|---|
| CN201711432563.8A CN107942038B (en) | 2017-12-26 | 2017-12-26 | Side slope support model test system and test method |
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Cited By (3)
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| CN109612854A (en) * | 2018-12-05 | 2019-04-12 | 成都理工大学 | A kind of failure testing system and method for Slope Prevention engineering |
| CN109610527A (en) * | 2018-12-05 | 2019-04-12 | 成都理工大学 | A kind of failure testing system and method for friction pile in Slope Prevention engineering |
| CN113252880A (en) * | 2021-06-29 | 2021-08-13 | 深圳市勘察研究院有限公司 | High-order landslide combination protection test device |
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