CN203768954U - Roadbed slope supporting structure object large scale model test loading system - Google Patents
Roadbed slope supporting structure object large scale model test loading system Download PDFInfo
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- CN203768954U CN203768954U CN201420163320.4U CN201420163320U CN203768954U CN 203768954 U CN203768954 U CN 203768954U CN 201420163320 U CN201420163320 U CN 201420163320U CN 203768954 U CN203768954 U CN 203768954U
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- loading
- servo
- loading system
- servo loading
- reaction wall
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Abstract
The utility model discloses a roadbed slope supporting structure object large scale model test loading system. A horizontal loading system comprises a reaction wall, servo loading cylinders, loading plates, guiding rods and anchor cables. The reaction wall is embedded into a foundation. The two anchor cables are arranged at the top of the reaction wall for reinforcing. The multiple servo loading cylinders are arranged on the overground part of the reaction wall. One end of each servo loading cylinder is connected with the corresponding loading plate. The guiding rods are arranged between the reaction wall and the loading plates. Horizontal loading is used, and the magnitude and the distribution mode of force transmitted to a structure object can be clear. A servo loading system is used for gradation loading, the soil body real stress state can be represented accurately, and real experiment data can be well obtained. The reaction wall is embedded into a soil body and is reinforced through the anchor cables, displacement control is good, influence on environment is small, and manufacturing cost is low.
Description
Technical field
The utility model relates to a kind of roadbed side slope supporting construction large-scale model plate test loading system.
Background technology
Retaining structure is to ensure highway, the effective measure that Railway Bed Slope is stable, to deformation failure pattern, structure and the ground interaction mechanism of the various slope supporting ruggedized constructions such as antislide pile, retaining wall, anchor cable framework, injecting grout through steel perforated pipe, the actual functional performance research of different reinforcing modes has important engineering significance.But due to Rock And Soil and the interactional complexity of works, it is subject to force mode, failure mechanism etc. to be often difficult to obtain breakthrough by theoretical research, employing model testing can be comparatively effective.
At present, in the large-scale model test of retaining structure, be all using vertical load as load mode, by the structural plane of artificial setting, transfer the load to works.But by vertical loading, the size and the distribution form that are delivered to the power on works are all indefinite, to measure and be also difficult to reaction reality by earth pressure gauge, stress strain guage, this causes huge difficulty to large-scale model experimental study of retaining structure.
Summary of the invention
The purpose of this utility model is to provide a kind of horizontal loading system for the test of roadbed side slope supporting construction large-scale model, and loading system can be simulated suffered Thrust of Landslide or the soil pressure of retaining structure in actual roadbed side slope.
First the utility model is set up model to the prototype side slope of intending simulating and is carried out numerical simulation, obtain the Thrust of Landslide of side slope or the size of soil pressure and the regularity of distribution, will its suitably simplify after as the level input load of model testing, with to roadbed slope supporting structure work shape, deformation mechanism and the supporting effect etc. under active force effect study.
The technical solution of the utility model is: described horizontal loading system is made up of counter force wall, servo loading cylinder, load plate, guide peg, anchor cable, counter force wall embeds ground, counter force wall top arranges 2 road anchor cables and reinforces, the ground part of counter force wall is provided with multiple servo loading cylinders, one end of servo loading cylinder connects load plate, between counter force wall and load plate, has guide peg.
Servo loading cylinder external part is connected with load plate by ball pivot, and described servo loading cylinder is fixing by the supporting of servo loading cylinder.
Horizontal loading system of the present utility model compared with the prior art tool has the following advantages:
1) employing level loads, and can make size and the distribution form of the power on works that is delivered to clearer and more definite;
2) adopt servo loading system hierarchical loading, can reproduce more accurately soil body real bearing state, be conducive to obtain more real experimental data.
3) counter force wall embeds the soil body and reinforces with anchor cable, and displacement is controlled well, little to ambient influnence, and cost is lower.
Brief description of the drawings
Fig. 1 is the structural representation of the horizontal loading system of model testing of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is that the horizontal loading system of model testing of the present utility model is applied in roadbed side slope and underground construction multifunction three-dimensional model test platform and uses state diagram.
In figure: 1-counter force wall, 2-anchor cable, the supporting of 3-servo loading cylinder, 4-guide peg, 5-servo loading cylinder, 6-load plate, 7-anchor head, 8-ball pivot, the transparent sidewall of 9-, 10-counter-force bracing frame.
Detailed description of the invention
As Figure 1-3, horizontal loading system of the present utility model is made up of counter force wall 1, servo loading cylinder 5, load plate 6, guide peg 4, anchor cable 2, counter force wall embeds ground (the base degree of depth is determined according to correlation computations result) counter force wall top and twice anchor cable 2 is set and reinforces, the ground part of counter force wall is provided with multiple servo loading cylinders, one end of servo loading cylinder connects load plate, between counter force wall and load plate, there is guide peg, servo loading cylinder external part is connected with load plate by ball pivot, and described servo loading cylinder is fixing by servo loading cylinder supporting 3.
Counter force wall is divided into the cantilever segment of overground part and the fixed section of under ground portion, and counter force wall is reinforced concrete structure, provides counter-force for loading cylinder.Counter force wall top arranges 2 road anchor cables and reinforces, to reduce counter force wall displacement.
Servo loading cylinder configuration 6 covers, point 3 rows 2 are listed as and arrange, and top and middle part load the every cover maximum thrust of cylinder 500kN, and bottom loads the every cover maximum thrust of cylinder 1000kN, can realize triangle and load and uniform load.Every row's servo loading cylinder is joined a set of load plate, adopts Plate Welding.Load plate applies horizontal force to " test specimen " under the effect of piston, and load plate leads by " guide rod ".Every cover loads cylinder, and to join power sensor, displacement transducer, servo valve each a set of, by Full Digitized Servo Control System, the power and the displacement that load cylinder controlled.
The supporting of servo loading cylinder plays a supportive role to servo loading cylinder with arranging on the one hand of guide peg, guarantees on the other hand stable synchronous loading of load plate, lateral force is effectively eliminated by preposition ball pivot simultaneously.
System of the present utility model arranges servo pump station, is six cover servo loading cylinders fuel feeding simultaneously by a point oily module.System arranges hydraulic pressure separator and pipeline, and separator is the hydraulic pressure modular converter that connects servo loading cylinder and pumping plant.By this module, by one point six of pumping plant oil circuit, facilitated the configuration of fluid pressure line simultaneously.
The horizontal loading system of model testing of the present utility model is applied in roadbed side slope and underground construction multifunction three-dimensional model test platform, as shown in Figure 4.
Claims (3)
1. a roadbed side slope supporting construction large-scale model plate test loading system, it is characterized in that described horizontal loading system is made up of counter force wall, servo loading cylinder, load plate, guide peg, anchor cable, counter force wall embeds ground, counter force wall top arranges 2 road anchor cables and reinforces, the ground part of counter force wall is provided with multiple servo loading cylinders, one end of servo loading cylinder connects load plate, between counter force wall and load plate, has guide peg.
2. roadbed side slope supporting construction large-scale model plate test loading system according to claim 1, is characterized in that described servo loading cylinder external part is connected with load plate by ball pivot, and servo loading cylinder is fixing by the supporting of servo loading cylinder.
3. roadbed side slope supporting construction large-scale model plate test loading system according to claim 1, it is characterized in that described servo loading cylinder configuration 6 covers, divide 3 row's 2 row to arrange, top and middle part load the every cover maximum thrust of cylinder 500kN, the every cover maximum thrust of bottom loading cylinder 1000kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163320.4U CN203768954U (en) | 2014-04-04 | 2014-04-04 | Roadbed slope supporting structure object large scale model test loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163320.4U CN203768954U (en) | 2014-04-04 | 2014-04-04 | Roadbed slope supporting structure object large scale model test loading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768954U true CN203768954U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420163320.4U Expired - Fee Related CN203768954U (en) | 2014-04-04 | 2014-04-04 | Roadbed slope supporting structure object large scale model test loading system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203768954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866803A (en) * | 2014-04-04 | 2014-06-18 | 云南省交通规划设计研究院 | Roadbed slope retaining structural object large-scale model test loading system |
| CN114062642A (en) * | 2020-07-30 | 2022-02-18 | 神华神东煤炭集团有限责任公司 | Horizontal loading mechanism and method for model test coal pillar under water sealing condition |
-
2014
- 2014-04-04 CN CN201420163320.4U patent/CN203768954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866803A (en) * | 2014-04-04 | 2014-06-18 | 云南省交通规划设计研究院 | Roadbed slope retaining structural object large-scale model test loading system |
| CN114062642A (en) * | 2020-07-30 | 2022-02-18 | 神华神东煤炭集团有限责任公司 | Horizontal loading mechanism and method for model test coal pillar under water sealing condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150404 |
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| EXPY | Termination of patent right or utility model |