CN108252340A - Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models - Google Patents
Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models Download PDFInfo
- Publication number
- CN108252340A CN108252340A CN201810205035.7A CN201810205035A CN108252340A CN 108252340 A CN108252340 A CN 108252340A CN 201810205035 A CN201810205035 A CN 201810205035A CN 108252340 A CN108252340 A CN 108252340A
- Authority
- CN
- China
- Prior art keywords
- barricade
- screw rod
- pressure
- fixed
- movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- 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 devices for measuring the different limited retaining wall pressure of banketing of displacement model, including experiment casing and boxed frame, experiment casing includes movable barricade and fixed barricade, upper and lower part on the outside of movable barricade is respectively connected with screw rod, the top and bottom of movable barricade are additionally provided with dial gauge, movable barricade opposite side is provided with fixed barricade, experiment casing two side is rigid wall, and rigid wall is fixedly connected with boxed frame；The fixed plate for standing screw is additionally provided on boxed frame, the threaded hole to match with screw flight is opened up in fixed plate；Pressure-detecting device is additionally provided with, and provide test method on the inside of experiment casing；It realizes damage of soil body pattern and Earth Pressure of Retaining Wall of the simulation game barricade under different displacement models, several soil pressure force checking devices is arranged on barricade；The limited different natural stress state of banketing of energy simulation, the limited soil pressure banketed of real-time measurement, device simple structure are easy to operate.
Description
Technical field
The invention belongs to soil pressure experimental provision fields in geotechnical engineering, and in particular to a kind of to measure different displacement models and have
Limit the device and test method for retaining wall pressure of banketing.
Background technology
Earth pressure gauge is one of the basic assignment in geotechnical engineering field after wall.Currently used soil pressure distribution is adopted mostly
With Rankine or Coulomb's earth pressure theory, but with the proviso that the soil body is the semo-infinite soil body after wall.However, in Practical Project, it is native after wall
Body width is sometimes and condition is not satisfied, such as grouped commercial area foundation pit retaining wall and neighbouring existing buildings or structures, mountain area barricade
With rock mass after wall etc. at this point, can damage of soil body pattern and soil pressure distribution regular still conform to classical Rankine or coulomb soil after wall
Pressure theory, the problem of becoming close attention.Still lack for finite soil soil pressure distribution after wall and generally acknowledge rational calculating side
Method, therefore the Earth pressures that rigid retaining wall is acted under the different widths affects that banket are in the urgent need to address.
Existing research is the theory analysis or numerical simulation for finite soil soil pressure distribution after wall, only theoretically
The difference of finite soil soil pressure and conventional soil pressure is illustrated, still there is to be tested or engineering measurement result verification.As it can be seen that carry out
The experiment work of finite soil after wall, for the soil pressure playing mechanism and changing rule of the clear and definite finite width soil body, further
Soil pressure distribution theory is improved, there is important theory value and engineering significance.
In view of this situation, carry out the soil pressure indoor model test of different movement mode of retaining wall and the width that bankets, so as to
Finite soil failure mode and the active earth pressure regularity of distribution after in-depth analysis wall, to establish more rational finite soil soil pressure
Power computational methods provide foundation.
Invention content
In order to solve problems of the prior art, measure that different displacement models are limited to fill out the invention discloses a kind of
The device and test method of native retaining wall pressure, can be accurate in the case where realizing that different displacements occur for the limited barricade that bankets
Measurement Earth Pressure of Retaining Wall distribution and land movement variation, solve problem of the prior art.
To achieve these goals, the technical solution adopted by the present invention is to measure the limited earth-retaining of banketing of different displacement models
The device of wall pressure, including experiment casing and boxed frame, experiment casing include the movable barricade that vertically sets and
Fixed barricade, fixed dams setting are fixed on boxed frame, and movable barricade is arranged on fixed barricade opposite side, movable barricade
Outside is connected with screw rod, and the top and bottom of movable barricade are additionally provided with the dial gauge for detecting its amount of movement, experiment casing
Two side is rigid wall, and rigid wall is fixedly connected with boxed frame；It is additionally provided on boxed frame for standing screw
Fixed plate opens up the threaded hole to match with screw flight in fixed plate；Pressure-detecting device is additionally provided on the inside of experiment casing.
Screw rod passes through the threaded hole of fixed plate, and screw rod driven end is connect with movable barricade, and screw drive end is provided with handle,
Screw rod includes first screw rod on top and the second screw rod of lower part, and screw rod is additionally provided with locking nut with fixed plate junction.
The connection mode of bulb ball-and-socket is used between movable barricade and screw rod driven end, bulb is set on screw rod driven end,
Socket arrangement is fixedly connected with movable barricade.
Pressure-detecting device includes being arranged on several pressure cells on the inside of movable barricade and fixed barricade, further includes along level
Direction is arranged on several pressure cells of active catch side within the walls.
Sealant is provided between movable barricade and fixed barricade and the gap of experiment casing two side.
It is offered on boxed frame for the threaded hole that barricade is fixed on different location will to be fixed, experiment casing two side
Rigid wall is transparent rigid wall, and side wall is coated with lubricant layer in rigid wall body.
The lower end of movable barricade is provided with pulley.
Triangular support bracket is additionally provided on screw rod, specifically, being provided with a bearing in the middle part of screw rod, bearing is fixedly connected with one section
Pipe, one end of hinged support bar on the outside of pipe, the other end of supporting rod and movable barricade lateral surface slidable connection, active catch
The guider that the setting of wall lateral surface is slided for supporting rod level, the sliding end of supporting rod are connected with what can be slided along guider
Sliding block.
The test method of the limited retaining wall pressure of banketing of different displacement models is measured, is included the following steps：
Step 1, pressure cell is fixed on the position that movable barricade fixes barricade medial surface and specify, extraction cable；
Step 2, the movable barricade for arranging pressure cell and fixed barricade medial surface are sticked into experiment soil sample；
Step 3, fixed barricade is moved into the corresponding position of the designed width that bankets, fixed barricade is consolidated with box frame
It is fixed, then installation activity barricade；
Step 4, sealant is filled between the gap of barricade and experiment casing side wall；
Step 5, lubricant layer is uniformly smeared in the side wall of experiment casing；
Step 6, experiment soil sample is moved in experiment casing, sealed at the top of experiment casing；
Step 7, control activity lateral diaphragm wall displacement, active earth pressure strength along the high distribution values of wall, and records record at this time
The numerical value of dial gauge, while observe soil sample destructive process and end-state；
Step 8, bolt is removed, mobile fixed barricade moves to the soil sample inside experiment casing outside case；
Step 9, step 1~8 are repeated, carries out the different soil pressure calculations to banket under width and different misalignments, carries out
During test operation, simulate different displacement models and include：
1. same rate rotates the first screw rod and the second screw rod, barricade translation mode is simulated；
2. controlling the first screw rod slewing rate as 6 times of the second screw rod, simulation barricade is around wall bottom rotation mode；
3. controlling the first screw rod slewing rate as 3 times of the second screw rod, simulation barricade is around wall bottom rotation mode；
4. the second screw rod slewing rate is controlled to simulate barricade passing-flow resistance pattern for 6 times of the first screw rod；
5. the second screw rod slewing rate is controlled to simulate barricade passing-flow resistance pattern for 3 times of the first screw rod.
Compared with prior art, the present invention at least has the advantages that：Pressure is applied to movable barricade by screw rod,
Realize damage of soil body pattern and Earth Pressure of Retaining Wall of the simulation game barricade under different displacement models；The pressure of the soil body is easy to control
System, and pressure range is big, can simulate limited natural stress state of the barricade under different displacement models of banketing, that is, when testing
The state of Soil mass state and the Practical Project soil body think together；Several soil pressure force checking devices are arranged on barricade, it can be in real time
The limited soil pressure banketed is measured, device simple structure is easy to operate.
Further, with hand-drive screw rod, easy to operate, easily controllable, two sub-screws of setting can conveniently realize work
Dynamic barricade promotes simultaneously up and down, and locking nut prevents screw bolt loosening, convenient for stability test pressure.
Further, pressure cell is arranged in the first groove, avoids the out-of-flatness of barricade inner surface and stress concentration occurs.
Further, displacement detector is dial gauge, and dial indicator measuring head can rotate in certain angle, adapt to difference
The measurement in direction, it is compact-sized, it measures accurate.
Further, the lower end of movable barricade is provided with pulley, the frictional force between reduction activity barricade and bottom plate.
Further, the threaded hole for fixed barricade to be fixedly mounted is opened up on boxed frame, convenient for adjusting fixed barricade
Position change the size of experiment casing, simulate the soil body of different engineering specifications.
Further, cause the pressure of screw rod between movable barricade and screw rod driven end using the connection mode of bulb ball-and-socket
It being evenly applied on movable barricade, and movable barricade is pressurized when deforming, bulb does corresponding rotation in ball-and-socket, and
Screw rod will not generate bending, be conducive to the conduction of pressure.
Further, experiment casing side wall inner surfaces coating lubricant layer, reduces the frictional force between side wall and the soil body, reduces
Influence of the side wall to proof stress.
Further, for the adhesion coating of adherence test soil sample, fixing barricade medial surface can glue for fixed barricade medial surface setting
Attached one layer of experiment soil ensures the roughness of fixed wall surface.
Further, it is provided with sealant between the gap of barricade and experiment casing side wall, it is ensured that soil is tested during experiment
Sample will not leak out, and avoid the release of pressure gap.
Description of the drawings
Fig. 1 is the overall structure diagram of model casing of the present invention.
For active catch of the present invention, lateral pressure box arranges schematic diagram to Fig. 2 within the walls.
Fig. 3 is the barricade motion control device vertical view of model casing of the present invention.
Fig. 4 is movable barricade lower pulley figure.
Fig. 5~9 are different lateral diaphragm wall displacement ideographs.
Reference sign：1- handles；2- screw rods；3- triangular support brackets；4- bearings；5- channel steels；6- activity barricades；7- hundred
Divide table；8- threaded holes；9- pressure cells；10- fixes barricade；11- rigidity walls；12- experiment casings；13- pulleys；14- movable sleeves；
15- bulbs；16- backing plates.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, the present invention provides a kind of dress for measuring the different limited retaining wall pressure of banketing of displacement model
It puts, including experiment casing 12 and boxed frame, experiment casing 12 includes movable barricade 6 and fixed barricade 10, movable 6 outside of barricade
Upper and lower part is respectively connected with screw rod 2, and the top and bottom of movable barricade 6 are additionally provided with the dial gauge for detecting its amount of movement
7, movable 6 opposite side of barricade is provided with fixed barricade, 12 two side of experiment casing is rigid wall, rigid wall and box
Frame is fixedly connected；It is additionally provided on boxed frame for the fixed plate of standing screw 2, is opened up and screw flight phase in fixed plate
Matched threaded hole；12 inside of experiment casing is additionally provided with pressure-detecting device.
Barricade kinetic control system：Screw rod passes through the threaded hole of fixed plate, and screw rod driven end is connect with movable barricade 6, spiral shell
Bar driving end is provided with handle 1, and screw rod 2 includes first screw rod on top and the second screw rod of lower part, and screw rod 2 is connect with fixed plate
Place is additionally provided with locking nut, and the connection mode of bulb ball-and-socket, screw rod driven end are used between movable barricade 6 and screw rod driven end
Upper setting bulb, socket arrangement are fixedly connected with movable barricade；The driving end of screw rod 2 is also associated with the drive for it to be driven to rotate
Dynamic device, currently preferred driving device are leader 1, meanwhile, a bearing is provided in the middle part of screw rod, bearing is fixedly connected
One section of pipe, one end of hinged support bar on the outside of pipe, the other end of supporting rod and 6 lateral surface slidable connection of movable barricade,
The guider that movable 6 lateral surface of barricade setting is slided for supporting rod level, the sliding end of supporting rod are connected with and can be filled along being oriented to
The sliding block of slip is put, forming triangular support bracket after supporting rod installation helps to provide stable support, while have guarantor for movable barricade 6
The inclined effect of barrier activity barricade；Pulley 13 is arranged at movable barricade lower part, 6 bottom of activity barricade and pad when being moved for reducing barricade
Frictional force between plate 16.
As another embodiment of the present invention, screw rod 2 is additionally provided with locking nut with fixed plate junction, and screw rod 2 is driven
Then channel steel in end cap welds a movable bulb, then channel steel 5 is fixed on movable barricade 6, screw rod 2 and channel steel junction
A bearing is additionally provided with, bearing provides bearing for screw rod 2, as shown in Figure 3.
Measurement system：Two barricade spacing (changing soil body width after wall) and wall movement mode will be changed during experiment, it is right
Soil pressure on barricade is monitored, and sets several micro pressure boxes at different location on two barricades, as depicted in figs. 1 and 2,
Mid line region on movable barricade 6 and fixed 10 inboard, upright direction of barricade sets requirement pressure cell；In active catch
6 inside horizontal direction of wall arranges 3 pressure cells, monitors the friction condition between soil sample and tempered glass, observes three horizontal pressure forces
Whether the reading of box differs larger, and soil pressure suffered by barricade is represented so as to ensure the reading using pressure cell on barricade center line
Reasonability；In order to reduce influence of the pressure cell 9 to movable barricade 6 and fixed 10 inside surface evenness of barricade, movable barricade 6 and solid
Determine barricade 10 inner surface offer the first groove for installing pressure cell 9 and for pressure cell cable is set second
Groove draws 9 cable of pressure cell from groove side after placement；Movable barricade 6 and fixed barricade 10 and experiment casing
Sealant is provided between the gap of 12 two sides；It is offered on boxed frame and is fixed on different location for barricade 10 will to be fixed
Threaded hole 8.
It is currently preferred, experiment casing 12：The boxed frame being formed by connecting by wide 50mm square steel；Frame left is activity
Barricade 6, amount of movement are controlled by the screw rod 2 in outside, and amount of movement size is measured by the dial gauge 7 that movable 6 upper and lower side of barricade is installed；
Frame right is fixed barricade 10, is fixed with bolt by bolt hole, the width of rolling earth behind retaining wall is controlled by changing its position；
Wherein movable barricade 6 and fixed barricade 10 are all transparent rigid retaining walls, and 12 both sides of experiment casing are the transparent tempering of thickness 15mm
Glass, the failure mode of soil body when facilitating the movement of observation activity barricade 6, horizontal direction pressure cell are arranged in the middle part of movable barricade and lean on
On position.
Currently preferred, second pressure cell, the 9 symmetrical position of movable barricade from top to bottom is each in the horizontal direction
One pressure cell, the i.e. pressure cell of horizontal direction are set.
When carrying out test operation, there is following pattern：Same rate rotates the second screw rod, simulation barricade translation mode (T patterns)；
Controlling the first screw rod slewing rate, simulation barricade rotates (RB patterns) around wall bottom for 6 times of the second screw rod；The first screw rod is controlled to rotate
Rate is 3 times of the second screw rod, and simulation barricade rotates (RBT patterns) around wall bottom；On the contrary, the second screw rod slewing rate of control is first
6 times of screw rod, simulation barricade passing-flow resistance (RT patterns)；The second screw rod slewing rate is controlled to simulate barricade for 3 times of the first screw rod
Passing-flow resistance (RTT patterns).
The limited retaining wall pressure banketed under different displacement models is measured using device of the present invention and passes through following steps
It realizes：
Step 1, pressure cell 9 is mounted on to the designated position of 6 medial surface of fixed barricade 10 and movable barricade, outgoing cable
Line, it is with glass cement that hole plug is real；
Step 2, it sticks the fixation barricade medial surface for arranging pressure cell all over experiment soil sample with solid gum, ensures fixed barricade 10
The roughness on surface；
Step 3, fixed barricade is moved into designed width distance of banketing, it will fixed barricade and box frame by bolt
It is fixed；
Step 4, sealant is filled between the gap of 12 side wall of barricade and experiment casing, to ensure that sand is not during testing
It can leak out；
Step 5, lubricant layer is uniformly coated in the side wall of experiment casing 12, reduces the friction of soil sample and side wall；
Step 6, experiment soil sample is moved in experiment casing 12, sealed at the top of experiment casing；
Step 7, the displacement of the first screw rod and the second screw rod control activity barricade 6 is adjusted, active earth pressure is strong at this time for record
Degree records dial gauge numerical value, while observe soil sample destructive process and end-state along the high distribution values of wall；
Step 8, bolt is removed, mobile fixed barricade moves to the soil sample of the inside outside case；
Step 9, step 1~8 are repeated, carry out the different soil pressure calculations to banket under width and different misalignments；Step 9
During middle progress test operation, there is following pattern：Same rate rotates the second screw rod, simulation barricade translation mode (T patterns)；Control the
One screw rod slewing rate is 6 times of the second screw rod, and simulation barricade rotates (RB patterns) around wall bottom；The first screw rod slewing rate is controlled to be
Second 3 times of screw rod, simulation barricade rotate (RBT patterns) around wall bottom；On the contrary, the second screw rod slewing rate of control is the first screw rod 6
Times, simulation barricade passing-flow resistance (RT patterns)；The second screw rod slewing rate is controlled as 3 times of the first screw rod, simulation barricade is around wall
Top rotation (RTT patterns).
Claims (10)
1. measure the device of different limited retaining wall pressure of banketing of displacement model, which is characterized in that including experiment casing (12) and
Boxed frame, experiment casing (12) include the movable barricade (6) vertically set and fixed barricade (10), fixed barricade
(10) setting is fixed on boxed frame, and movable barricade (6) is arranged on fixed barricade (10) opposite side, and movable barricade (6) is outside
Side is connected with screw rod (2), and the top and bottom of movable barricade (6) are additionally provided with the dial gauge (7) for detecting its amount of movement, examination
Tryoff body (12) two side is rigid wall, and rigid wall is fixedly connected with boxed frame；It is additionally provided with and is used on boxed frame
The fixed plate of standing screw (2) opens up the threaded hole to match with screw flight in fixed plate；It is also set on the inside of experiment casing (12)
It is equipped with pressure-detecting device.
2. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
Screw rod (2) is across the threaded hole of fixed plate, and screw rod driven end connect with movable barricade (6), and screw drive end is provided with handle
(1), the second screw rod of first screw rod and lower part of the screw rod (2) including top, screw rod (2) are additionally provided with lock with fixed plate junction
Tight nut.
3. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
The connection mode of bulb ball-and-socket is used between movable barricade (6) and screw rod driven end, bulb, ball-and-socket knot are set on screw rod driven end
Structure is fixedly connected with movable barricade (6).
4. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
Pressure-detecting device includes being arranged on several pressure cells on the inside of movable barricade (6) and fixed barricade (10), further includes along level
Direction is arranged on several pressure cells (9) of movable barricade (6) medial surface.
5. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
Sealant is provided between the gap of movable barricade (6) and fixed barricade (10) and experiment casing (12) two side.
6. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
It offers that the threaded hole (8) that barricade (10) is fixed on different location, experiment casing (12) both sides will be fixed on boxed frame
The rigid wall of wall is transparent rigid wall, and side wall is coated with lubricant layer in rigid wall body.
7. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
The lower end of movable barricade (6) is provided with pulley (13).
8. the device according to claim 1 for measuring the different limited retaining wall pressure of banketing of displacement model, which is characterized in that
Screw rod is additionally provided with triangular support bracket on (2), specifically, being provided with a bearing in the middle part of screw rod, bearing is fixedly connected with one section of pipe,
One end of hinged support bar on the outside of pipe, the other end of supporting rod and movable barricade (6) lateral surface slidable connection, movable barricade
(6) guider that lateral surface setting is slided for supporting rod level, the sliding end of supporting rod are connected with and can be slided along guider
Sliding block.
9. measure the test method of the different limited retaining wall pressure of banketing of displacement model, which is characterized in that include the following steps：
Step 1, pressure cell (9) is fixed on the position that movable barricade (6) and fixed barricade (10) medial surface are specified, outgoing cable
Line；
Step 2, the movable barricade (6) for arranging pressure cell (9) and fixed barricade (10) medial surface are sticked into experiment soil sample；
Step 3, fixed barricade (10) is moved into the corresponding position of the designed width that bankets, by fixed barricade (10) and babinet frame
Frame is fixed, then installation activity barricade (6)；
Step 4, sealant is filled between the gap of barricade and experiment casing (12) side wall；
Step 5, lubricant layer is uniformly smeared in the side wall of experiment casing (12)；
Step 6, experiment soil sample is moved in experiment casing (12), sealed at the top of experiment casing；
Step 7, control activity lateral diaphragm wall displacement, active earth pressure strength along the high distribution values of wall, and records percentage to record at this time
The numerical value of table (7), while observe soil sample destructive process and end-state；
Step 8, bolt is removed, mobile fixed barricade (10) moves to the soil sample inside experiment casing (12) outside case；
Step 9, step 1~8 are repeated, carry out the different soil pressure calculations to banket under width and different misalignments.
10. according to claim 9 measure the limited experiment side of retaining wall pressure apparatus banketed under different displacement models
Method, which is characterized in that in step 9, when carrying out test operation, simulate different displacement models and include：
1. same rate rotates the first screw rod and the second screw rod, barricade translation mode is simulated；
2. controlling the first screw rod slewing rate as 6 times of the second screw rod, simulation barricade is around wall bottom rotation mode；
3. controlling the first screw rod slewing rate as 3 times of the second screw rod, simulation barricade is around wall bottom rotation mode；
4. the second screw rod slewing rate is controlled to simulate barricade passing-flow resistance pattern for 6 times of the first screw rod；
5. the second screw rod slewing rate is controlled to simulate barricade passing-flow resistance pattern for 3 times of the first screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205035.7A CN108252340A (en) | 2018-03-13 | 2018-03-13 | Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205035.7A CN108252340A (en) | 2018-03-13 | 2018-03-13 | Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108252340A true CN108252340A (en) | 2018-07-06 |
Family
ID=62746877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810205035.7A Withdrawn CN108252340A (en) | 2018-03-13 | 2018-03-13 | Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108252340A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060474A (en) * | 2018-08-08 | 2018-12-21 | 湖南理工学院 | The method of the vertical dynamic lower finite soil dynamic soil pressure research that overloads |
| CN109680734A (en) * | 2019-01-27 | 2019-04-26 | 浙江大学 | Finite soil Earth Pressure Models experimental rig and method after wall under a kind of a variety of wall movement modes of rigid retaining walls |
| CN109706982A (en) * | 2019-01-24 | 2019-05-03 | 山东大学 | Earth Pressure of Retaining Wall bath scaled model experimental device and test method under plane strain condition |
| CN110186766A (en) * | 2019-07-08 | 2019-08-30 | 青海民族大学 | A kind of soil pressure testing device |
| CN110849729A (en) * | 2019-12-02 | 2020-02-28 | 清华大学深圳国际研究生院 | Limited cohesive soil active and passive soil pressure model test device behind flexible retaining wall of foundation pit |
| CN112366994A (en) * | 2020-11-11 | 2021-02-12 | 深圳铭薪房车科技有限公司 | Wireless intelligent control system for standby power supply of touring car |
| CN117949639A (en) * | 2024-03-27 | 2024-04-30 | 中铁二十三局集团第一工程有限公司 | Movable multipurpose retaining wall simulation test device and test method thereof |
| CN117949639B (en) * | 2024-03-27 | 2024-06-07 | 中铁二十三局集团第一工程有限公司 | Movable multipurpose retaining wall simulation test device and test method thereof |
-
2018
- 2018-03-13 CN CN201810205035.7A patent/CN108252340A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060474A (en) * | 2018-08-08 | 2018-12-21 | 湖南理工学院 | The method of the vertical dynamic lower finite soil dynamic soil pressure research that overloads |
| CN109706982A (en) * | 2019-01-24 | 2019-05-03 | 山东大学 | Earth Pressure of Retaining Wall bath scaled model experimental device and test method under plane strain condition |
| CN109680734A (en) * | 2019-01-27 | 2019-04-26 | 浙江大学 | Finite soil Earth Pressure Models experimental rig and method after wall under a kind of a variety of wall movement modes of rigid retaining walls |
| CN110186766A (en) * | 2019-07-08 | 2019-08-30 | 青海民族大学 | A kind of soil pressure testing device |
| CN110849729A (en) * | 2019-12-02 | 2020-02-28 | 清华大学深圳国际研究生院 | Limited cohesive soil active and passive soil pressure model test device behind flexible retaining wall of foundation pit |
| CN110849729B (en) * | 2019-12-02 | 2023-09-22 | 清华大学深圳国际研究生院 | Active and passive soil pressure model test device for limited cohesive soil behind foundation pit flexible retaining wall |
| CN112366994A (en) * | 2020-11-11 | 2021-02-12 | 深圳铭薪房车科技有限公司 | Wireless intelligent control system for standby power supply of touring car |
| CN112366994B (en) * | 2020-11-11 | 2022-04-15 | 深圳铭薪房车科技有限公司 | Wireless intelligent control system for standby power supply of touring car |
| CN117949639A (en) * | 2024-03-27 | 2024-04-30 | 中铁二十三局集团第一工程有限公司 | Movable multipurpose retaining wall simulation test device and test method thereof |
| CN117949639B (en) * | 2024-03-27 | 2024-06-07 | 中铁二十三局集团第一工程有限公司 | Movable multipurpose retaining wall simulation test device and test method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108252340A (en) | Measure the device and test method of the limited retaining wall pressure of banketing of different displacement models | |
| CN102071943A (en) | Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction | |
| CN108333054A (en) | Tunnel threedimensional model bracket loading test platform and the test method observed for tunnel defect | |
| CN206540677U (en) | A kind of testing tunnel normal fault sticks the dynamic experiment case apparatus of slide | |
| Zhou | Tunnelling-induced ground displacements in sand | |
| CN105696636B (en) | Can in Simulation of Excavation Process WATER LEVEL CHANGES excavation models experimental rig | |
| CN105716959B (en) | It is a kind of can simulated groundwater position dynamic change excavation models experimental rig | |
| CN113089624B (en) | Adjacent foundation pit asynchronous excavation simulation test device and test method | |
| CN112964563A (en) | Simulation box for simulating long-term tunnel settlement under subway operation load and test method | |
| CN109754697A (en) | A kind of similar physics experimental rig of three-dimensional of simulation fault movement | |
| WO2022105840A1 (en) | Test device and method for measuring frictional resistance of thixotropic mud | |
| CN103499268A (en) | Space relative deformation measuring device for upper disc and lower disc of in-situ rock joint plane | |
| CN109680733A (en) | The displacement of foundation pit rigid retaining walls induces the model test apparatus and operating method for cheating outer ground surface soil body sedimentation | |
| CN110686980B (en) | Tunnel excavation analogue means under inhomogeneous side direction load | |
| CN111638147A (en) | Pseudo-static test device and method for brick-coated city wall anchoring system | |
| CN207974168U (en) | Measure the device of limited retaining wall pressure of banketing under different displacement models | |
| CN208902713U (en) | Ground preloading influences the indoor model test device of existing subway tunnel | |
| CN107942038A (en) | Slope retaining model assay systems and test method | |
| CN205506571U (en) | Ground water level dynamic change's foundation ditch model test device can simulate | |
| CN111289349B (en) | Constant-pressure servo ground stress loading tunnel anti-fault-failure test device | |
| CN110849729B (en) | Active and passive soil pressure model test device for limited cohesive soil behind foundation pit flexible retaining wall | |
| CN207780015U (en) | Slope retaining model assay systems | |
| CN217358824U (en) | Large-section rectangular jacking pipe frictional resistance testing system | |
| CN111208009A (en) | Method for testing stress distribution form of contact surface of key block of masonry beam | |
| CN206146815U (en) | Indoor survey device of frictional force between soil body and structure thing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |