CN205538445U - Mold box is cuted to vertical loading multilayer - Google Patents
Mold box is cuted to vertical loading multilayer Download PDFInfo
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- CN205538445U CN205538445U CN201620290140.1U CN201620290140U CN205538445U CN 205538445 U CN205538445 U CN 205538445U CN 201620290140 U CN201620290140 U CN 201620290140U CN 205538445 U CN205538445 U CN 205538445U
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Abstract
The utility model discloses a two -way vibration effect's of deep soil layer shearing mold box is effectively simulated to loading and while to solve current stratiform and cut the two -way vibration that the soil layer can not be simulated to the case, make the test result have the problem of great difference. It includes bottom plate, model soil box main part, counter -force system, rolling pulley, steel plate support, laser displacement sensor, sensor wire hole, is fixed with model soil box main part on the bottom plate, vertically is equipped with the stratiform frame in the model soil box main part, all is provided with bearing and spout between the adjacent two -layer frame, the top of model soil box main part is equipped with loading device, loading device includes spring, roof, takes the steel sheet of scale, bolt, and spring upper portion is equipped with the roof, and establish on the counter -force steel sheet bottom of spring, takes the steel sheet symmetry of scale to set up perpendicularly in the both sides of counter -force steel sheet, and its bottom is fixed on the counter -force steel sheet. The installation of this device, dismantlement convenience, and process of the test safety have stronger practicality.
Description
Technical field
This utility model belongs to field tests, is specifically related to a kind of Large-scale Shaking Table Test model clay case.
Background technology
Recently increasingly it is subject to people's attention by secondary disasters such as seismic landslides.Along with the soil body every after shake
Performance parameter changes, and the correctness of the shear strength parameter of landslide disaster prevention design alternative landslide slip becomes work after shake
The key of journey preventing and treating success or failure.In order to obtain preferable result of the test, researcher is opened in terms of the design and making of model casing
Many meaningful research work are opened up.
Existing large-scale laminar shear case, it is impossible to the vibratory response of simulation Deep Soil Layers, the deep soil of especially more than 50m
Layer.And a kind of laminar shear case that can load, although Deep Soil Layers can be applied effective confining pressure, but be only limitted to soil layer along level
To vibration (X to), lack the check to confined pressure, it is impossible to the two-way oscillation (X, Z) of simulation soil layer so that result of the test has bigger
Difference.
Utility model content
The purpose of this utility model is to provide a kind of energy and loads and the most effectively simulate Deep Soil Layers two-way oscillation effect
Shear model box, can not simulate the two-way oscillation of soil layer solving existing laminar shear case so that result of the test has bigger difference
Different problem.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of vertical multilamellar that loads shears mould
Molding box, goes out including base plate, model clay box main body, counter force system, rolling pulley, stainless steel strut, laser displacement sensor, sensor
String holes, counter force system includes counter-force steel plate and coupled counter-force support, base plate is fixed with model clay box main body, model clay
Box main body is longitudinally provided with stratiform framework, between adjacent two layers framework, is provided with bearing and chute, described model clay box main body
Top be provided with charger, described charger includes spring, top board, the sheet metal of chi with a scale, bolt, and spring top sets
Having top board, the bottom of spring is located on counter-force steel plate, and the sheet metal Symmetrical vertical of chi with a scale is arranged on the both sides of counter-force steel plate,
It is fixed on bottom it on counter-force steel plate.
Preferably, described counter-force rack arrangement both sides before and after model clay box main body.
Preferably, the both sides of described rolling pulley are provided with and the lateral spacing plate being connected bottom counter-force steel plate.
Preferably, it is provided with spacing steel plate in the middle of stratiform base of frame.
Preferably, it is equipped with built-in pressure cell in described base plate and inside model clay box main body.
Preferably, it is provided with cushion inside described model clay box main body.
Preferably, described stainless steel strut is fixed on base plate, is positioned at the side of model clay box main body, the both sides of stainless steel strut
Being made up of vertical plane and inclined-plane, laser displacement sensor is located at the upper of stainless steel strut.
This utility model has the advantages that
1., in shaketalle test, it is further applied load by bolt 8 compression spring 7, finally by pressure-bearing steel plate, pressure is equal
Even it is transferred to the soil body.In test amount of spring compression is corresponding with the sheet metal 9 of chi with a scale, just can get payload values.
2., in process of the test, this laminar shear model casing achieves two-way oscillation (X, Z-direction), and this soil box main body is not
Soil layer motion on direction of vibration can be limited, it is allowed to model clay box main body has the vibration of higher magnitude, more can truly simulate deep
Thick soil stratum dynamic response under geological process.
3. backplane sinusoid pressure cell, can be measured the confined pressure of experimental test soil layer, lateral pressure coefficient, can be anti-
Push away the stress state of the soil body after shake, analyze its possible rupture location.
4. the inner side of model clay box main body is provided with cushion close with soil body rigidity so that the soil body and model clay box main body exist
Deformation on length direction is similar, and can reduce the soil body and the interaction of model clay box main body and reduce the product of compressional wave
Raw.
5. it is mounted on laser displacement sensor on stainless steel strut, it is possible to the detrusion of the overall process monitoring soil body.
6. this device, installation, convenient disassembly, and process of the test safety, there is stronger practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vertical loading multilamellar shear model box；
Fig. 2 is the side view of a kind of vertical loading multilamellar shear model box；
Fig. 3 is the top view of counter force system in a kind of vertical loading multilamellar shear model box；
Fig. 4 is the process of the test figure of a kind of vertical loading multilamellar shear model box.
Reference implication is as follows: 1. base plate；2. model clay box main body；3. charger；4. pressure-bearing steel plate；5 counter-force steel
Plate；6. top board；7. spring；8. bolt；The sheet metal of chi the most with a scale；10. rolling pulley；11. lateral spacing plates；12. cushions；
13. stainless steel struts；14. laser displacement sensors；15. pressure cells；16. bearings；17. spacing steel plates；18. sensor wire holes；
19. chutes；20. counter-force supports；21. stratiform frameworks；131. vertical plane；132. inclined-plane.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Load multilamellar shear model box as it can be seen, a kind of vertical, including base plate 1, model clay box main body 2, counter force system,
Rolling pulley 10, stainless steel strut 13, laser displacement sensor 14, sensor wire hole 18, counter force system include counter-force steel plate 5 and
Coupled counter-force support 20, base plate 1 is fixed with model clay box main body 2, is longitudinally provided with stratiform frame in model clay box main body 2
Frame 21, is provided with bearing 16 and chute 19, can relatively slide between adjacent two layers framework, convenient dismounting.Model clay box main body 2
Top be provided with charger 3, charger 3 includes spring 7, top board 6, the sheet metal 9 of chi with a scale, bolt 8, on spring 7
Portion is provided with top board 6, and the bottom of spring 7 is located on counter-force steel plate 5, and sheet metal 9 Symmetrical vertical of chi with a scale is arranged on counter-force steel
The both sides of plate 5, are fixed on bottom it on counter-force steel plate 5, with counter-force Plate Welding bottom the sheet metal 9 of chi with a scale, act primarily as
To corresponding load, it is ensured that top board 6 is on same level line.With ensure be further applied load accurate.
It is welded and fixed with base plate 1 bottom model clay box main body.The model clay box main body number of plies most preferably 10 layers, from the top down
Number, for making ground floor soil body confined pressure avoid too high, destroys state of soil, and its floor height is 2 times of other shear layer floor heights.
As a example by Fig. 1, counter-force support 20 is arranged in both sides before and after model clay box main body 2.Counter-force steel plate 5 and counter-force support 20
Using bolt 8 to connect, counter-force support 20 welds with base plate 1.
The both sides of rolling pulley 10 are provided with lateral spacing plate 11, lateral spacing plate 11 only with counter-force steel plate 5 bottom welding.Lateral spacing plate 11 has
There is bigger rigidity.Limit the relative slide displacement of charger and model clay box main body 2.Rolling pulley 10 can slide relatively,
Ensure that each interlayer of whole model clay case the most slidably, can be not intended to the Horizontal Vibration of the soil body.Model clay
Being provided with cushion 12 inside box main body 2, cushion 12 reduces the boundary effect of model.The safety of guarantee test.Testing
Cheng Zhong, each shear layer of model clay box main body 2, due to the effect of cushion 12, the soil body and model clay box main body can be made to exist
Deformation on length direction is similar, reduces the soil body and the interaction of model clay box main body and the generation of compressional wave, wherein buffers
Layer connects into a piece of with the cutting box of width.
It is provided with spacing steel plate 17 in the middle of bottom stratiform framework 21.Make each layer soil body enough the most sliding on horizontal vibration direction
Dynamic, there is larger vibration displacement, and charger is not intended to model clay box main body 2 and vertically vibrates, it is thus possible to model clay simultaneously
The two-way oscillation of layer, preferably simulates the detrusion of soil layer.And avoid the soil body under vibration by a relatively large margin to throw away, it is ensured that examination
The safety tested and result accurate.
It is equipped with built-in pressure cell 15 in base plate 1 and inside model clay box main body 2.The lateral pressure system of the soil body can be measured
Number, checks the soil pressure filling the soil body, and contrasts with theoretical value.
Stainless steel strut 13 is fixed on base plate 1, is positioned at the side of model clay box main body 2, and the both sides of stainless steel strut 13 are by hanging down
Face 131 and inclined-plane 132 form, and laser displacement sensor 14 is located on stainless steel strut 13.The detrusion of the soil body can be monitored at any time,
Stainless steel strut 13 is not connected to model clay box main body 2, is advantageous in that: be not intended to interlayer soil body generation violent oscillatory motion, reduces used
Property effect because model quality is the biggest, the inertia self caused is the biggest so that vibration aggravation.Laser displacement sensor 14 and steel
Pressure cell numerical value built-in bottom plate is corresponding, the beneficially deformation of analytical soil sample.
Slide owing to this device allows the interlayer soil body to have bigger relative displacement, and the setting of stainless steel strut can ensure examination
The process of testing is perfectly safe.
In present embodiment, cushion 12 can use thin metal steel disc or polythene material.Spring constant is demarcated, band
It is corresponding with amount of spring compression that the sheet metal 9 of rule indicates scale, can regulate payload values by bolt 8 compression spring 7.
Existing stress model case, support and top Interal fixation, limit significantly vibration displacement.And this utility model
Support steel plate with charger without being connected so that the interlayer soil body can occur the vibration displacement of bigger amplitude, and be not intended to mould to
Vibration.
Charger 3 can be able to be made to be transmitted to effectively by pressure transmission to pressure-bearing steel plate 4 by the counter-force steel plate 5 of bottom
The stress of the soil body evenly, makes result of the test more accurate.
Charger 3 is further applied load by bolt 8 compression spring 7, as required, and can be by regulation amount of spring compression to soil
Layer applies effective confining pressure, and the sheet metal 9 of corresponding chi with a scale obtains the value that is further applied load, accurately to control soil layer confined pressure.
The bottom of base plate 1 can directly be connected with large vibration table, and vibrate along with large vibration table.
It is provided with some sensor wire holes 18 on the pressure-bearing steel plate 4 at model clay box main body 2 top, and is provided with in its both sides
Sensor wire box.
In vibration test, soil body layering is filled in model clay box main body 2, after filling, by compression spring 7
Pressure-bearing steel plate is pressed.In process of the test, model clay box main body vibrates in horizontal direction without limitation on soil layer, and due to spring
Arrange permission model clay box main body vertical motion, therefore this multilayered model soil box main body can simulate Deep Soil Layers oscillatory load make
Two-way oscillation under with.
Claims (7)
1. a vertical loading multilamellar shear model box, including base plate, model clay box main body, counter force system, rolling pulley, steel plate
Support, laser displacement sensor, sensor wire hole, counter force system includes counter-force steel plate and coupled counter-force support, the end
It is fixed with model clay box main body on plate, model clay box main body is longitudinally provided with stratiform framework, is respectively provided with between adjacent two layers framework
There are bearing and chute, it is characterised in that: the top of described model clay box main body (2) is provided with charger (3), described charger
(3) including spring (7), top board (6), the sheet metal (9) of chi with a scale, bolt (8), spring (7) top is provided with top board (6), bullet
The bottom of spring (7) is located on counter-force steel plate (5), and sheet metal (9) Symmetrical vertical of chi with a scale is arranged on the two of counter-force steel plate (5)
Side, is fixed on bottom it on counter-force steel plate (5).
Vertical loading multilamellar shear model box the most according to claim 1, it is characterised in that: described counter-force support (20) cloth
Put both sides before and after model clay box main body (2).
Vertical loading multilamellar shear model box the most according to claim 1, it is characterised in that: described rolling pulley (10)
Both sides are provided with the lateral spacing plate (11) being connected with counter-force steel plate (5) bottom.
Vertical loading multilamellar shear model box the most according to claim 3, it is characterised in that: in stratiform framework (21) bottom
Between be provided with spacing steel plate (17).
Vertical loading multilamellar shear model box the most according to claim 4, it is characterised in that: in described base plate (1) and mould
Type soil box main body (2) inner side is equipped with built-in pressure cell (15).
Vertical loading multilamellar shear model box the most according to claim 5, it is characterised in that: described model clay box main body
(2) inner side is provided with cushion (12).
Vertical loading multilamellar shear model box the most according to claim 6, it is characterised in that: described stainless steel strut (13) is solid
Being scheduled on base plate (1), be positioned at the side of model clay box main body (2), the both sides of stainless steel strut (13) are by vertical plane (131) and inclined-plane
(132) composition, laser displacement sensor (14) is located on stainless steel strut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290140.1U CN205538445U (en) | 2016-04-08 | 2016-04-08 | Mold box is cuted to vertical loading multilayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290140.1U CN205538445U (en) | 2016-04-08 | 2016-04-08 | Mold box is cuted to vertical loading multilayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538445U true CN205538445U (en) | 2016-08-31 |
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ID=56790087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620290140.1U Expired - Fee Related CN205538445U (en) | 2016-04-08 | 2016-04-08 | Mold box is cuted to vertical loading multilayer |
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| CN (1) | CN205538445U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107202707A (en) * | 2017-06-09 | 2017-09-26 | 北京工业大学 | Structure large-scale pseudo static testing device and method under a kind of soil |
| CN110455480A (en) * | 2019-08-30 | 2019-11-15 | 天津大学 | A kind of three-dimensional limit connector for 3-D stacks shear model box |
| CN112858044A (en) * | 2021-03-15 | 2021-05-28 | 中南大学 | Test device and test method for shear seepage test |
-
2016
- 2016-04-08 CN CN201620290140.1U patent/CN205538445U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107202707A (en) * | 2017-06-09 | 2017-09-26 | 北京工业大学 | Structure large-scale pseudo static testing device and method under a kind of soil |
| CN107202707B (en) * | 2017-06-09 | 2020-01-10 | 北京工业大学 | Large-scale pseudo-static test device and method for soil-underground structure |
| CN110455480A (en) * | 2019-08-30 | 2019-11-15 | 天津大学 | A kind of three-dimensional limit connector for 3-D stacks shear model box |
| CN110455480B (en) * | 2019-08-30 | 2023-07-14 | 天津大学 | Three-dimensional limiting connecting piece for three-dimensional laminated shearing model box |
| CN112858044A (en) * | 2021-03-15 | 2021-05-28 | 中南大学 | Test device and test method for shear seepage test |
| CN112858044B (en) * | 2021-03-15 | 2022-02-15 | 中南大学 | Test device and test method for shear seepage test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200408 |