CN108760616B - Speed-controllable model experiment device and speed-controllable model experiment method for simulating soil body lateral movement - Google Patents
Speed-controllable model experiment device and speed-controllable model experiment method for simulating soil body lateral movement Download PDFInfo
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- CN108760616B CN108760616B CN201810526184.3A CN201810526184A CN108760616B CN 108760616 B CN108760616 B CN 108760616B CN 201810526184 A CN201810526184 A CN 201810526184A CN 108760616 B CN108760616 B CN 108760616B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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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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Abstract
The invention relates to a speed-controllable model experiment device and method for simulating soil body lateral movement, wherein the experiment device comprises a bottom plate, reserved bolt holes are formed in the bottom plate, and bolt fixing bottom plates are arranged in the reserved bolt holes; the two ends of the bottom plate are provided with reaction plates, a plurality of connecting rods are arranged between the reaction plates at the two ends, the connecting rods are sleeved with linear bearings, the linear bearings are connected with the frame, one side, away from the linear bearings, of the frame is provided with a glass plate, the two ends of the frame are provided with loading plates, the frame, the glass plates and the loading plates form a simulated soil body containing box, the frame moves along the connecting rods through the linear bearings to drive the simulated soil body containing box to move, and a speed regulating jack is arranged between one loading plate and the adjacent reaction plate. The invention can control the soil body lateral movement speed through the speed regulating jack, and the soil body lateral movement direction is stable.
Description
Technical Field
The invention relates to a model test device and a test method, in particular to a speed-controllable model test device and a speed-controllable model test method for simulating soil body lateral movement.
Background
The pile foundation has the advantages of good stability, large bearing capacity, small settlement and the like, so that the pile foundation is widely applied to the foundation of large structures. However, due to the limited urban space, large commercial complexes, urban viaducts, subway stations and other large buildings are often built around the urban center, resulting in the excavation of large-area piles or underground spaces such as foundation pits, tunnels and the like adjacent to existing buildings. The lateral movement of the soil body can be caused by the stacking or unloading of the adjacent pile foundations, so that additional load is generated on the pile foundations, the complexity of the problems is limited, the analysis of China on the problems is still in the empirical design stage, and the subjectivity and the blindness are high.
The research aiming at the influence of the lateral movement of the soil body around the pile on the pile foundation has important significance for understanding the interaction relation of the pile and the soil and the influence of the interaction relation on the surrounding environment, wherein the relevant research can be carried out by utilizing a test means to obtain a more intuitive result. The device and the method are limited to the defects of construction environment influence and measurement means, and the test of influence on the pile foundation caused by soil body side shift on site is difficult to realize, so that the engineering simulation of influence on the pile foundation caused by soil body side shift around the pile can be completed through a model test, and the model experiment device and the method for simulating soil body side shift with controllable speed are designed to provide service for the pile foundation model test influenced by side soil body displacement.
Disclosure of Invention
The invention is to provide a speed-controllable model experiment device and method for simulating soil body lateral movement, which can control the soil body lateral movement speed through a speed-regulating jack and has stable soil body lateral movement direction.
In order to solve the technical problems, the technical scheme of the invention is as follows: the speed-controllable model experiment device for simulating soil body lateral movement comprises a bottom plate, wherein reserved bolt holes are formed in the bottom plate, and bolt fixing bottom plates are arranged in the reserved bolt holes; the two ends of the bottom plate are provided with reaction plates, a plurality of connecting rods are arranged between the reaction plates at the two ends, the connecting rods are sleeved with linear bearings, the linear bearings are connected with the frame, one side, away from the linear bearings, of the frame is provided with a glass plate, the two ends of the frame are provided with loading plates, the frame, the glass plates and the loading plates form a simulated soil body containing box, the frame moves along the connecting rods through the linear bearings to drive the simulated soil body containing box to move, and a speed regulating jack is arranged between one loading plate and the adjacent reaction plate.
Further, the bottom plate is fixedly arranged on the concrete ground.
Furthermore, angle steel is arranged at the joint of the frame and the loading plate.
Furthermore, the reaction plate is welded with the bottom plate, the reaction plate is welded with the connecting rod, the frame is formed by welding a plurality of steel bars, the glass plate is adhered to the frame, and the frame is welded with the linear bearing.
Furthermore, one side of the angle steel is welded with the frame, a gap is reserved between the other side of the angle steel and the end head of the frame, the gap accommodates a loading plate, and the loading plate is detachable.
Furthermore, the glass plate is made of organic glass; the frame is rectangular; the connecting rod sets up to 4, and the bottom plate both sides symmetry respectively sets up 2, and linear bearing sets up to 4.
The experimental method of the speed-controllable model experimental device for simulating the lateral movement of the soil body comprises the following steps: filling the simulated soil body into the simulated soil body containing box, and controlling the speed regulation jack to push the simulated soil body containing box to do linear motion along the connecting rod through the linear bearing, so that the simulated soil body performs linear motion towards one side.
Compared with the prior art, the invention has the following beneficial effects: the soil body lateral moving speed can be controlled through the speed regulating jack, and the box body does linear motion along the connecting rods, so that the soil body lateral moving direction is stable.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
In the figure: the device comprises a base plate 1, a reserved bolt hole 2, a connecting rod 3, a loading plate I4, a loading plate II 5, a speed-adjusting jack 6, a glass plate 7, a frame 8, a linear bearing 9, an angle steel 10, a reaction plate I11 and a reaction plate II 12.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the speed-controllable model experiment device for simulating soil body lateral movement comprises a bottom plate, reserved bolt holes are formed in the bottom plate, and bolt fixing bottom plates are arranged in the reserved bolt holes; the soil body simulation device is characterized in that reaction plates are arranged at two ends of a bottom plate and are respectively a first reaction plate and a second reaction plate, a plurality of connecting rods are arranged between the reaction plates at two ends, linear bearings are sleeved on the connecting rods and are connected with a frame, a glass plate is arranged on one side, away from the linear bearings, of the frame, loading plates are arranged at two ends of the frame and are respectively a first loading plate and a second loading plate, the frame, the glass plates and the loading plates form a simulation soil body containing box, the frame moves along the connecting rods through the linear bearings to drive the simulation soil body containing box to move, and a speed regulation jack is arranged between one loading plate and the adjacent reaction plate.
Further, the bottom plate is fixedly arranged on the concrete ground.
Furthermore, angle steel is arranged at the joint of the frame and the loading plate.
Furthermore, the reaction plate is welded with the bottom plate, the reaction plate is welded with the connecting rod, the frame is formed by welding a plurality of steel bars, the glass plate is adhered to the frame, and the frame is welded with the linear bearing.
Furthermore, one side of the angle steel is welded with the frame, a gap is reserved between the other side of the angle steel and the end head of the frame, the gap accommodates a loading plate, and the loading plate is detachable.
Furthermore, the glass plate is made of organic glass; the frame is rectangular; the connecting rod sets up to 4, and the bottom plate both sides symmetry respectively sets up 2, and linear bearing sets up to 4, and the reaction plate is the steel sheet.
The bottom plate is fixed on the concrete ground through a plurality of reserved bolt holes and inserting bolts.
The reaction plate is connected with the bottom plate through welding, the reaction plate is connected with the bottom plate through a plurality of connecting rods, and the connecting positions of the connecting rods and the reaction plate are welded.
The two frames are formed by welding a plurality of steel bars, the organic glass plate is pasted on the inner side of each frame, the two frames are respectively welded with a plurality of linear bearings, the four connecting rods penetrate through the plurality of linear bearings, the frames are arranged on the connecting rods through the linear bearings, and the frames can slide along the connecting rods through the plurality of linear bearings.
One side of each of the 4 angle steels is welded on the rectangular frame, a gap is reserved between the other side of each angle steel and the frame, the width of the gap needs to ensure that the loading plate can be just inserted into the gap, and therefore the two frames pasted with the organic glass plates and the loading plate can form a box body.
The speed regulation jack is arranged between the reaction plate and the loading plate.
The loading plate is detachable.
The experimental method of the speed-controllable model experimental device for simulating the lateral movement of the soil body comprises the following steps: filling the simulated soil body into the simulated soil body containing box, and controlling the speed regulation jack to push the simulated soil body containing box to do linear motion along the connecting rod through the linear bearing, so that the simulated soil body performs linear motion towards one side.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (5)
1. The utility model provides a controllable model experimental apparatus that simulation soil body sidesway of speed which characterized in that: the device comprises a bottom plate, wherein a reserved bolt hole is formed in the bottom plate, and a bolt fixing bottom plate is arranged in the reserved bolt hole; set up the reaction plate at the bottom plate both ends, set up a plurality of connecting rods between the reaction plate of both ends, linear bearing is established to the cover on the connecting rod, linear bearing connects the frame, the frame is kept away from linear bearing one side and is set up the glass board, the frame both ends set up the loading plate, the junction of frame and loading plate sets up the angle steel, angle steel one side and frame welding, leave the clearance between angle steel another side and the frame end, the loading plate is held to the clearance, the loading plate is the dismantlement formula, the frame, the glass board, the loading plate is constituteed the simulation soil body and is held the case, the frame passes through linear bearing and moves the simulation soil body along the connecting rod and hold the case removal, set up the speed governing jack between.
2. The model experiment device for simulating soil body lateral movement with controllable speed of claim 1, which is characterized in that: the bottom plate is fixedly arranged on the concrete ground.
3. The model experimental apparatus for simulating soil lateral movement with controllable speed of any one of claims 1-2, wherein: the reaction plate is welded with the bottom plate, the reaction plate is welded with the connecting rod, the frame is formed by welding a plurality of steel bars, the glass plate is adhered to the frame, and the frame is welded with the linear bearing.
4. The model experimental apparatus for simulating soil lateral movement with controllable speed of any one of claims 1-2, wherein: the glass plate is made of organic glass; the frame is rectangular; the connecting rod sets up to 4, and the bottom plate both sides symmetry respectively sets up 2, and linear bearing sets up to 4.
5. An experimental method using the speed-controllable model experimental apparatus for simulating lateral soil movement according to any one of claims 1 to 4, wherein: filling the simulated soil body into the simulated soil body containing box, and controlling the speed regulation jack to push the simulated soil body containing box to do linear motion along the connecting rod through the linear bearing, so that the simulated soil body performs linear motion towards one side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810526184.3A CN108760616B (en) | 2018-05-29 | 2018-05-29 | Speed-controllable model experiment device and speed-controllable model experiment method for simulating soil body lateral movement |
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| CN201810526184.3A CN108760616B (en) | 2018-05-29 | 2018-05-29 | Speed-controllable model experiment device and speed-controllable model experiment method for simulating soil body lateral movement |
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| CN108760616A CN108760616A (en) | 2018-11-06 |
| CN108760616B true CN108760616B (en) | 2020-11-03 |
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| CN102493499A (en) * | 2011-11-16 | 2012-06-13 | 中南大学 | Model test device for measuring composite foundation lateral deformation and layered sedimentation |
| CN102568291A (en) * | 2011-12-12 | 2012-07-11 | 同济大学 | Pile foundation aided test teaching demonstration system for simulating multiple loading methods |
| CN104614231A (en) * | 2015-02-12 | 2015-05-13 | 南京工业大学 | Loadable stratiform shearing model soil box |
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| CN106193134A (en) * | 2016-06-28 | 2016-12-07 | 重庆科技学院 | The model equipment of indoor rigid retaining walls finite soil Boundary Condition Effect |
| CN107012896A (en) * | 2017-03-20 | 2017-08-04 | 山东大学 | A kind of Multifunctional pile base model assay systems and its assembling and test method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101767376B1 (en) * | 2015-11-13 | 2017-08-11 | 대한민국 | Slope stabilization test board |
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2018
- 2018-05-29 CN CN201810526184.3A patent/CN108760616B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201413268Y (en) * | 2009-05-26 | 2010-02-24 | 同济大学 | Model test device for simulating coupling between soil sideway and axial load |
| CN201983988U (en) * | 2011-02-16 | 2011-09-21 | 山东大学 | Large-scale combined static and dynamic multifunctional geotechnical engineering model test device |
| CN102493499A (en) * | 2011-11-16 | 2012-06-13 | 中南大学 | Model test device for measuring composite foundation lateral deformation and layered sedimentation |
| CN102568291A (en) * | 2011-12-12 | 2012-07-11 | 同济大学 | Pile foundation aided test teaching demonstration system for simulating multiple loading methods |
| CN104614231A (en) * | 2015-02-12 | 2015-05-13 | 南京工业大学 | Loadable stratiform shearing model soil box |
| CN104809947A (en) * | 2015-04-24 | 2015-07-29 | 华侨大学 | Inflatable strike-slip fault movement simulation device and simulation experiment method |
| CN105738196A (en) * | 2016-04-08 | 2016-07-06 | 中铁西北科学研究院有限公司 | Vertically-loaded multilayer shear model box |
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| CN107012896A (en) * | 2017-03-20 | 2017-08-04 | 山东大学 | A kind of Multifunctional pile base model assay systems and its assembling and test method |
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