CN108766183A - The experimental rig of crack of soils is induced when a kind of rehearsal for flood control - Google Patents
The experimental rig of crack of soils is induced when a kind of rehearsal for flood control Download PDFInfo
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- CN108766183A CN108766183A CN201810784979.4A CN201810784979A CN108766183A CN 108766183 A CN108766183 A CN 108766183A CN 201810784979 A CN201810784979 A CN 201810784979A CN 108766183 A CN108766183 A CN 108766183A
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- steel plate
- fill stratum
- thrust mechanism
- overburden layer
- crack
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- 239000002689 soil Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 235000013312 flour Nutrition 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Revetment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to flood control rehearsal simulator fields, and in particular to the experimental rig of crack of soils, including fill stratum, overburden layer, support platform and thrust mechanism are induced when a kind of rehearsal for flood control；Fill stratum includes vertical side, the slope surface opposite with vertical side and the tip platform at the top of vertical side and slope surface；Steel plate is equipped at the vertical side of fill stratum；Thrust mechanism is set to the other side of steel plate, and thrust mechanism can uniformly apply fill stratum by steel plate the thrust of horizontal direction；Steel plate and fill stratum can under the action of thrust mechanism occurred level direction displacement；Overburden layer is located at the top on platform, and overburden layer is using cohesive soil；Support platform is embedded in the top in overburden layer and corresponding to thrust mechanism；Thrust mechanism can push fill stratum in the horizontal direction, and the horizontal displacement relative to overburden layer can occur.It can effectively simulate crack of soils and generate process, speedily carry out rescue work prevention conducive to middle fracture of speedily carrying out rescue work.
Description
Technical field
The invention belongs to flood control rehearsal simulator fields, and in particular to one kind is split for inducing the soil body when flood control rehearsal
The experimental rig of seam.
Background technology
Slope project as an important component in China's foundation construction field, due to its be widely used in it is all kinds of
Multiplexed address condition, safety issue have been a concern.A large amount of engineering practices show：Soil-slope its loss of stability it
Before, generally can all occur a large amount of drawing crack seams in top of the slope.The generation of drawing crack seam reduces the stabilization of side slope with development, finally draws
The disasters such as the landslide risen cause extremely heavy losses to the people's lives and property.Therefore the harm in understanding crack, which can simultaneously be carried out, is directed to
Property rehearsal of speedily carrying out rescue work have great importance to improving the effect speedily carried out rescue work of crack.
Invention content
The present invention provides the experimental rig that crack of soils is induced when a kind of rehearsal for flood control, can effectively simulate the soil body and split
Generation process is stitched, is speedily carried out rescue work prevention conducive to middle fracture of speedily carrying out rescue work.
To realize the above-mentioned technical purpose, the technical solution that the present invention takes is that one kind when flood control rehearsal for inducing the soil body
The experimental rig in crack, including fill stratum, overburden layer, support platform and thrust mechanism；
Fill stratum includes vertical side, the slope surface opposite with vertical side and the top at the top of vertical side and slope surface
Platform；Steel plate is equipped at the vertical side of fill stratum, the bottom end of steel plate is located at the lower part of fill stratum, the top of steel plate and fill stratum
Tip platform it is concordant；Fill stratum is using flour sand；
Thrust mechanism is set to the other side of steel plate, and thrust mechanism, which can uniformly apply fill stratum by steel plate horizontal direction, to be pushed away
Power；Steel plate and fill stratum can under the action of thrust mechanism occurred level direction displacement；
Overburden layer is located at the top on platform, and overburden layer is using cohesive soil；Support platform is embedded in overburden layer and corresponds to
The top of thrust mechanism；Thrust mechanism can push fill stratum in the horizontal direction, and the horizontal displacement relative to overburden layer can occur.
As the improved technical solution of the present invention, the gradient of slope surface is 0.5.
As the improved technical solution of the present invention, using steel plate of marking time, steel plate of marking time is serrated support platform.
As the improved technical solution of the present invention, the length of support platform is overburden layer bottom layer length 1/4-1/3.
As the improved technical solution of the present invention, thrust mechanism includes water bag and water tank；Water bag passes through steel plate horizontal force
In the side of fill stratum；Water tank is set to above water bag, and water tank is communicated in water bag, and the water potential for adjusting water tank realizes control water bag pair
The active force of steel plate.
As the improved technical solution of the present invention, the water content of overburden layer is ± 3%.
As the improved technical solution of the present invention, the thickness of overburden layer is 60cm, and fill stratum energy occurred level displacement is
30cm。
Advantageous effect
The application uses clay for overburden layer, uses flour sand for fill stratum, by the top and middle part of Level Promoting fill stratum, promotees
Make the separation at middle part and lower part, realizes the full simulation for crack of soils in reality occurring position；When thrust mechanism acts on, cover
Relative displacement occurs for the top of soil layer and fill stratum, and support platform can support overburden layer when being initially subjected to displacement, with displacement
Continue occur, crackle occurs for overburden layer and support platform end point, and the position of the displacement and crack of observing generation can be effective
Judge the time and position that crackle generates when practical emergency flood fighting.
Fill stratum is slope surface relative to the side of steel plate in the application, and under the action of thrust mechanism, test mechanism will not
Slope instability occurs, the safety during experiment is effectively ensured.Specifically, the side slope of fill stratum can be by 1:2 are controlled, i.e.,
Slope instability can will not occur during apparent crack occurs for earthing layer surface to destroy, without any risk during experiment.
Thrust device can be selected according to actual needs, and the thrust device used in case can be by controlling water tank head
Adjust the thrust size of application, it is simple in structure, it is easy to operate.
After the test by horizontal thrust off-load, since fill stratum is flour sand, fill stratum can substantially return to initial shape
State, only need to be compacted overburden layer again to fill can carry out lower battery of tests, and experiment processing efficient is quick.
Description of the drawings
The structural schematic diagram of Fig. 1 the application simulator initial conditions；
Structural schematic diagram after Fig. 2 the application simulator occurred level displacements；
In figure：1, fill stratum；2, steel plate；3, overburden layer；4, support platform；5, vertical side；6, slope surface；7, tip platform；8,
Crack.
Specific implementation mode
It is clearer for the purpose and technical solution that make the embodiment of the present invention, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of without creative work, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
"horizontal" refers to the direction vertical with short transverse in the application.
As shown in Figs. 1-2, the experimental rig of crack of soils, including fill stratum 1, earthing are induced when a kind of rehearsal for flood control
Layer 3, support platform 4 and thrust mechanism；
The laying of fill stratum 1 is flour sand, and in the present embodiment, the total length of 1 bottom of fill stratum is 6.5m, can be happened at thrust mechanism
The distance of the lower energy occurred level displacement of effect is 0.3m；The whole height of fill stratum 1 is 2.5m；
Fill stratum 1 includes vertical side 5, and steel plate 2 is equipped at vertical side 5, and the bottom end of steel plate 2 is located at the lower part of fill stratum 1, has
There is 0.5m in the bottom end of the steel plate 2 of body away from the bottom of fill stratum 1；The top of steel plate 2 is concordant with the top of fill stratum 1；Fill stratum 1 exists
The one side opposite with thrust mechanism is slope surface 6；The gradient of slope surface 6 is 0.5.
Thrust mechanism is set to the other side of steel plate 2, and can uniformly be pushed away to the application of 1 horizontal direction of fill stratum by steel plate 2
Power；Under the action of thrust mechanism, the displacement of steel plate 2 and flour sand energy occurred level direction；Thrust mechanism uses in the application
For jack, since the effect of steel plate 2 enables the active force for the horizontal direction that jack applies to be uniformly distributed in fill stratum 1
Vertical side；Alternatively, thrust mechanism includes water bag and water tank；Water bag is by 2 horizontal force of steel plate in the vertical side of fill stratum 1
Face；Water tank is set to above water bag, and water tank is communicated in water bag, and the water potential for adjusting water tank realizes effect of the control water bag to steel plate 2
Power.
The laying of overburden layer 3 is cohesive soil, and the height of overburden layer 3 is 0.6m；Cohesive soil is covered in the top flat of fill stratum 1
Platform 7（Tip platform 7 is located at the top of vertical side 5 and slope surface 6）；Support platform 4 is embedded in overburden layer 3 and corresponds to thrust
The top of mechanism；Thrust mechanism can push fill stratum 1 in the horizontal direction, and the horizontal displacement relative to overburden layer 3 can occur.
Test method based on above-mentioned apparatus, includes the following steps：
S1, it is vertically arranged steel plate 2, is laid with flour sand in the bottom of steel plate 2 and the side of steel plate 2, flour sand is relative to steel plate 2
The other side has 1/2 gradient；Thrust mechanism is set in the other side of steel plate 2, the force direction of thrust mechanism is perpendicular to flour sand
Short transverse；
S2, it is laid with cohesive soil on the top of flour sand, the thickness of cohesive soil is 2 times of flour sand energy occurred level displacement；Overburden layer 3
Thickness is 60cm, and 1 occurred level displacement of fill stratum is 30cm.
S3, thrust mechanism in the horizontal direction apply flour sand the active force of horizontal direction, and flour sand corresponds to one end of steel plate 2
Along the direction occurred level displacement of power；
S4,8 production of crack for observing overburden layer 3.
It these are only embodiments of the present invention, the description thereof is more specific and detailed, but can not therefore be interpreted as pair
The limitation of the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (7)
1. it is a kind of for flood control rehearsal when induce crack of soils experimental rig, which is characterized in that including fill stratum, overburden layer,
Support platform and thrust mechanism；
Fill stratum includes vertical side, the slope surface opposite with vertical side and the top at the top of vertical side and slope surface
Platform；Steel plate is equipped at the vertical side of fill stratum, the bottom end of steel plate is located at the lower part of fill stratum, the top of steel plate and fill stratum
Tip platform it is concordant；Fill stratum is using flour sand；
Thrust mechanism is set to the other side of steel plate, and thrust mechanism, which can uniformly apply fill stratum by steel plate horizontal direction, to be pushed away
Power；Steel plate and fill stratum can under the action of thrust mechanism occurred level direction displacement；
Overburden layer is located at the top on platform, and overburden layer is using cohesive soil；Support platform is embedded in overburden layer and corresponds to
The top of thrust mechanism；Thrust mechanism can push fill stratum in the horizontal direction, and the horizontal displacement relative to overburden layer can occur.
2. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
The gradient of slope surface is 0.5.
3. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
Using steel plate of marking time, steel plate of marking time is serrated support platform.
4. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
The length of support platform is overburden layer bottom layer length 1/4-1/3.
5. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
Thrust mechanism includes water bag and water tank；Water bag is by steel plate horizontal force in the side of fill stratum；Water tank is set to above water bag, water
Case is communicated in water bag, adjusts the active force that the water potential of water tank realizes control water bag to steel plate.
6. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
The water content of overburden layer is ± 3%.
7. inducing the experimental rig of crack of soils when a kind of rehearsal for flood control according to claim 1, which is characterized in that
The thickness of overburden layer is 60cm, and fill stratum energy occurred level displacement is 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784979.4A CN108766183A (en) | 2018-07-17 | 2018-07-17 | The experimental rig of crack of soils is induced when a kind of rehearsal for flood control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784979.4A CN108766183A (en) | 2018-07-17 | 2018-07-17 | The experimental rig of crack of soils is induced when a kind of rehearsal for flood control |
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| Publication Number | Publication Date |
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| CN108766183A true CN108766183A (en) | 2018-11-06 |
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| CN201810784979.4A Pending CN108766183A (en) | 2018-07-17 | 2018-07-17 | The experimental rig of crack of soils is induced when a kind of rehearsal for flood control |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584542A (en) * | 2004-05-28 | 2005-02-23 | 中国科学院力学研究所 | Analogic testing device for water induced landslide and method for monitoring shift of land top surface |
| CN106284446A (en) * | 2016-10-21 | 2017-01-04 | 中国地质科学院探矿工艺研究所 | Strong rainfall induced rock landslide field model test device |
| CN107066771A (en) * | 2017-06-13 | 2017-08-18 | 成都理工大学 | A kind of flat push type landslide move distance computational methods and application |
| CN107401141A (en) * | 2017-08-25 | 2017-11-28 | 华北水利水电大学 | The bulk testing method and apparatus of mobile anti-flood wall |
| CN107655771A (en) * | 2017-09-07 | 2018-02-02 | 河海大学 | A kind of experimental rig and its test method for simulating the disintegration of side slope Test in Situ |
| CN208969975U (en) * | 2018-07-17 | 2019-06-11 | 南京市水利规划设计院股份有限公司 | The experimental rig of crack of soils is induced when a kind of rehearsal for flood control |
-
2018
- 2018-07-17 CN CN201810784979.4A patent/CN108766183A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584542A (en) * | 2004-05-28 | 2005-02-23 | 中国科学院力学研究所 | Analogic testing device for water induced landslide and method for monitoring shift of land top surface |
| CN106284446A (en) * | 2016-10-21 | 2017-01-04 | 中国地质科学院探矿工艺研究所 | Strong rainfall induced rock landslide field model test device |
| CN107066771A (en) * | 2017-06-13 | 2017-08-18 | 成都理工大学 | A kind of flat push type landslide move distance computational methods and application |
| CN107401141A (en) * | 2017-08-25 | 2017-11-28 | 华北水利水电大学 | The bulk testing method and apparatus of mobile anti-flood wall |
| CN107655771A (en) * | 2017-09-07 | 2018-02-02 | 河海大学 | A kind of experimental rig and its test method for simulating the disintegration of side slope Test in Situ |
| CN208969975U (en) * | 2018-07-17 | 2019-06-11 | 南京市水利规划设计院股份有限公司 | The experimental rig of crack of soils is induced when a kind of rehearsal for flood control |
Non-Patent Citations (3)
| Title |
|---|
| 李晨;徐卫卫;: "关于土体裂缝对边坡稳定性影响的讨论", 中国港湾建设, no. 05, 25 May 2018 (2018-05-25) * |
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