CN207780015U - Slope retaining model assay systems - Google Patents

Slope retaining model assay systems Download PDF

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Publication number
CN207780015U
CN207780015U CN201721854342.5U CN201721854342U CN207780015U CN 207780015 U CN207780015 U CN 207780015U CN 201721854342 U CN201721854342 U CN 201721854342U CN 207780015 U CN207780015 U CN 207780015U
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China
Prior art keywords
gliding mass
retaining
slope
spring
assay systems
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CN201721854342.5U
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Inventor
白松松
张骞
赵维刚
王旌
王文玉
侯丽丽
高阳
李新志
徐飞
王康
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Shijiazhuang Tiedao University
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Shijiazhuang Tiedao University
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Abstract

The utility model provides a kind of slope retaining model assay systems, 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 set in the slider bed and multiple retaining structures;The horizontal device for exerting is arranged in 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 in the side of the gliding mass, including spring spool, spring and two spring shims, is compensated for frictional force of the elastic force by the spring between the gliding mass and the slider bed;The electronic monitoring device includes resistance strain gage, horizontal ruler and resistance strain gauge, pass through the setting of electronic supervisory system, it improves the stress of retaining structure and deformation monitoring is difficult to reach ideal precision, by the setting of friciton compensation device, the perfect slope retaining model assay systems.

Description

Slope retaining model assay systems
Technical field
The utility model belongs to Geotechnical Engineering field, is to be related to a kind of slope retaining model test more specifically System.
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 usually sets slope Gu Chu to foundation pit, and periphery, which is filled out, scrapes out side slope, with stake supporting, circular passage setting in foundation pit and Between side slope.Finite soil is formd between retaining structure in this way.
The research of the influence to the research of finite soil and to finite soil to retaining structure is seldom at present.In side slope branch Keep off structure design in, engineering staff determines its size to the effect of finite soil to retaining structure by personal experience, with compared with Strong randomness and blindness, in the prior art, there are the stress of retaining structure and deformation to supervise in slope retaining model test The problem of survey is difficult to reach ideal precision, and experimental rig is not perfect, and the frictional force between gliding mass and slider bed is difficult to simulate.
Utility model content
The purpose of this utility model is to provide a kind of slope retaining model assay systems, it is intended to solve the side of the prior art The stress of retaining structure and deformation monitoring are difficult to reach ideal precision in the model for anchor experiment of slope, rubbing between gliding mass and slider bed Wipe the problem of power is difficult to simulate.
To achieve the above object, the utility model embodiment provides a kind of side slope model assay systems, including:Artificial Side-slope Model, 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 set in the slider bed and multiple retaining structures;It is described One end of retaining structure passes through the gliding mass to be arranged in the slider bed;
The horizontal device for exerting is arranged in the side of the gliding mass, including hydraulic jack, jack base reaction plate It with ground bulk resistive spacer, is used to apply thrust to the gliding mass, so that the gliding mass applies thrust to the retaining structure;
The friciton compensation device is arranged in the side of the gliding mass, including spring spool, spring and two spring shims, It is compensated for frictional force of the elastic force by the spring between the gliding mass and the slider bed;
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 connect with the resistance strain gage, for showing State the measurement result of resistance strain gage;The horizontal ruler is used to monitor the displacement of 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 It sets in the system framework.
Further, the slope retaining model assay systems further include amesdial and are set to the system framework top The amesdial fixing device in portion;
The amesdial is used to monitor the displacement of retaining structure;
The amesdial fixing device includes mechanical arm, mechanical arm beam, track and the pulley slided in the track;
The mechanical arm is connect 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;
The soil pressure cell there are one being buried in finite soil between two retaining structure of arbitrary neighborhood, the soil pressure cell Internal stress for monitoring the finite soil;The resistance strain gauge is connect 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 setting is 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 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 practical gliding mass that the gliding mass is acquired by engineering site is constituted, the slider bed by The compacting Rock And Soil of the practical slider bed of engineering site acquisition is constituted.
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 set 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 board.
Further, the retaining structure includes friction pile or anchor cable ground beam.
A kind of advantageous effect for slope retaining model assay systems that the utility model embodiment provides is:With existing skill Art is compared, slope retaining model assay systems provided by the utility model, including:Artificial Side-slope model, rubs at horizontal device for exerting Wipe compensation device, electronic monitoring device and hollow system framework;Wherein Artificial Side-slope model, including slider bed, be set to it is described Gliding mass in slider bed and multiple retaining structures;One end of the retaining structure passes through the gliding mass to be arranged in the slider bed; The horizontal device for exerting is arranged in the side of the gliding mass, including hydraulic jack, jack base reaction plate and Rock And Soil 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 in the side of the gliding mass, including spring spool, spring and two spring shims, for the bullet by the spring Frictional force of the power between the gliding mass and the slider bed compensates;The electronic monitoring device includes resistance strain gage, water Flat scale and resistance strain gauge;The resistance strain gage is used to monitor deformation and the stress of the retaining structure;The resistance is answered Become instrument to connect with the resistance strain gage, the measurement result for showing the resistance strain gage;The horizontal ruler is for supervising Survey the displacement of the gliding mass;The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device and the monitoring Device is arranged in the system framework, by the setting of electronic supervisory system, improves stress and the deformation of retaining structure The precision of monitoring effectively simulates the frictional force between gliding mass and slider bed by the setting of friciton compensation device, perfect described Slope retaining model assay systems.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for slope retaining model assay systems that the utility model embodiment provides;
Fig. 2 is that horizontal device for exerting and friction are mended in the slope retaining model assay systems that the utility model embodiment provides Repay scheme of installation of the device in system framework;
Fig. 3 is the arrangement signal of retaining structure in the slope retaining model assay systems that the utility model embodiment provides Figure;
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.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
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 set to it is described Gliding mass 3 in slider bed 2 and multiple retaining structures 4, the slider bed 2 are arranged in the bottom of the system framework 1, the supporting and retaining system Structure 4 could be provided as two rows;4 bottom of the retaining structure sequentially passes through the gliding mass 3 and slider bed 2;The horizontal pressure dress It installs in 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 It sets 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 to monitor deformation and the stress of the retaining structure;The resistance strain gauge It is connect with the resistance strain gage, the measurement result for showing the resistance strain gage;The horizontal ruler 9 is for monitoring 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 the system framework is provided with glass baffle plate, convenient for observing the cunning The deformation situation of body 3 and the retaining structure 4.What how friciton compensation was realized
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 resistance strain gage is arranged in the pre-buried retaining structure 4 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 Horizontal ruler 9 is stated to be arranged in the side of the system framework 1, it is parallel with the moving direction of the gliding mass, by the resistance-strain Piece output end is connected to the resistance strain gauge;The horizontal device for exerting 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, is pushed away to the gliding mass application level Power.
A kind of advantageous effect for slope retaining model assay systems that the utility model embodiment provides is:With existing skill Art is compared, slope retaining model assay systems provided by the utility model, including:Artificial Side-slope model, rubs at horizontal device for exerting Wipe compensation device, electronic monitoring device and hollow system framework 1;Wherein Artificial Side-slope model, including slider bed 2, it is set to institute State the gliding mass 3 and multiple retaining structures 4 in slider bed 2;One end of the retaining structure 4 passes through the gliding mass 3 to be arranged described In slider bed 2;The horizontal compression system is arranged in the side of the gliding mass 3, including hydraulic jack 5, jack base counter-force Plate 6 and ground bulk resistive spacer 7, for applying thrust to the retaining structure 4 by the gliding mass 3;The friciton compensation device It is arranged in the side of the gliding mass 3, including spring spool 8, spring and two spring shims, for the elastic force by the spring Frictional force between the gliding mass and the slider bed compensates;The electronic monitoring device includes resistance strain gage, level Scale 9 and resistance strain gauge;The resistance strain gage is used to monitor deformation and the stress of the retaining structure;The resistance-strain Instrument is connect with the resistance strain gage, the measurement result for showing the resistance strain gage;The horizontal ruler 9 is for monitoring The displacement of the gliding mass;The Artificial Side-slope model, the horizontal device for exerting, the friciton compensation device and monitoring dress It sets and is arranged in the system framework 1, by the setting of electronic supervisory system, improve the stress and deformation prison of retaining structure Survey is difficult to reach ideal precision, by the setting of friciton compensation device, the perfect slope retaining model assay systems.
Further, the slope retaining model assay systems further include amesdial and are set to the system framework 1 The amesdial fixing device at top;
The amesdial is used to monitor the displacement of 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 connect 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, convenient for the amesdial is more accurately positioned at the branch The surface for keeping off structure 4, with the displacement of the determination retaining structure 4.
Further, the electronic monitoring device further includes soil pressure cell;
The soil pressure cell there are one being buried in finite soil between two retaining structure 4 of arbitrary neighborhood, the soil pressure Box is used to monitor the internal stress of the finite soil;The resistance strain gauge is connect with the soil pressure cell, described for showing The measurement result of soil pressure cell, the resistance strain gauge can also connect on computers, described in computer simultaneously display The measurement result of soil pressure cell and the resistance strain gage, convenient for record and statistics.
Further, the electronic monitoring device further includes anchor point patch;
The anchor point patch setting is at 4 top of 3 outside of the gliding mass and/or the retaining structure, described in detecting The deformation of gliding mass 3 and the retaining structure 4, the soil body during the anchor point patch on the outside of the gliding mass 3 is set with 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 for 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 practical gliding mass that the gliding mass 3 is acquired by engineering site is constituted, the slider bed 2 It is made of the compacting Rock And Soil of practical slider bed of engineering site acquisition, 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 Frame 1 of uniting connects, and the jack base reaction plate 6 is to be detachably connected with the system framework, can be by described in change The installation position of jack base reaction plate 6 changes the force application location of the hydraulic jack 5.Preferably, the jack 5, The Rock And Soil group partition board 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 set 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 board 7.Preferably, the spring includes two, and one is arranged in the gliding mass 3 Side, the other side opposite in the gliding mass 3 is arranged in another;Correspondingly, the spring spool also includes 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, is conveniently tried different retaining structures 4 It tests, improves the recycling rate of waterused of the slope retaining model assay systems.
Based on the test method of the slope retaining model assay systems, include the following steps:
The assembled system framework 1;
Build the gliding mass 2 and the slider bed 3 by laying bricks or stones, the resistance strain gage is arranged in the pre-buried retaining structure 4;
The horizontal ruler 9 is installed and opens its automatic reading device, the resistance strain gage output end is connected to institute State resistance strain gauge;
The horizontal device for exerting 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, the hydraulic jack 5 is operated, horizontal thrust is applied to the gliding mass.
Test method based on the slope retaining model assay systems passes through electronic monitoring compared with prior art The setting of system, improves the stress of retaining structure and deformation monitoring is difficult to reach ideal precision, passes through friciton compensation device Setting, the perfect slope retaining model assay systems.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (9)

1. a kind of slope retaining model assay systems, which is characterized 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 set in the slider bed and multiple retaining structures;The supporting and retaining system One end of structure passes through the gliding mass to be arranged in the slider bed;
The horizontal device for exerting is arranged in 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 in the side of the gliding mass, including spring spool, spring and two spring shims, is used for It is compensated by frictional force of the elastic force of the spring between the gliding mass and the slider bed;
The electronic monitoring device includes resistance strain gage, horizontal ruler and resistance strain gauge;The resistance strain gage is for supervising Survey deformation and the stress of the retaining structure;The resistance strain gauge is connect with the resistance strain gage, for showing the electricity Hinder the measurement result of foil gauge;The horizontal ruler is used to monitor the displacement of 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, which is characterized in that further include amesdial and be set to Amesdial fixing device at the top of the system framework;
The amesdial is used to monitor the displacement of retaining structure;
The amesdial fixing device includes mechanical arm, mechanical arm beam, track and the pulley slided in the track;
The mechanical arm is connect 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, which is characterized in that the electronic monitoring device also wraps Include soil pressure cell;
It is buried in finite soil between two retaining structure of arbitrary neighborhood there are one the soil pressure cell, the soil pressure cell is used for Monitor the internal stress of the finite soil;The resistance strain gauge is connect 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, which is characterized in that the electronic monitoring device also wraps Include anchor point patch;
Anchor point patch setting is 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, which is characterized in that the electronic monitoring device also wraps Include high-speed camera;
The high-speed camera is 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, which is characterized in that the gliding mass is by work The compacting Rock And Soil of the practical gliding mass of journey collection in worksite is constituted, the compacting rock for the practical slider bed that the slider bed is acquired by engineering site The soil body is constituted.
7. slope retaining model assay systems according to claim 1, which is characterized 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 connect with the system framework.
8. slope retaining model assay systems according to claim 5, which is characterized in that in the friciton compensation device, The spring is set in the spring spool, and one end of the spring connects the jack by a spring shim The other end of pedestal reaction plate, the spring connects the Rock And Soil group partition board by spring shim described in another.
9. slope retaining model assay systems according to claim 1, which is characterized in that the retaining structure includes antiskid Stake or anchor cable ground beam.
CN201721854342.5U 2017-12-26 2017-12-26 Slope retaining model assay systems Active CN207780015U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296881A (en) * 2019-04-16 2019-10-01 上海大学 A kind of soil model pilot system and method suitable for geotechnical slope, roadbed embankment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296881A (en) * 2019-04-16 2019-10-01 上海大学 A kind of soil model pilot system and method suitable for geotechnical slope, roadbed embankment
CN110296881B (en) * 2019-04-16 2022-07-12 上海大学 Soil body model test system and method suitable for rock-soil side slope and roadbed embankment

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