CN109164242A - A kind of landslide simulation test device for emergency flood fighting rehearsal - Google Patents
A kind of landslide simulation test device for emergency flood fighting rehearsal Download PDFInfo
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- CN109164242A CN109164242A CN201810784249.4A CN201810784249A CN109164242A CN 109164242 A CN109164242 A CN 109164242A CN 201810784249 A CN201810784249 A CN 201810784249A CN 109164242 A CN109164242 A CN 109164242A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention discloses a kind of landslide simulation test devices for emergency flood fighting rehearsal, including fixation steel plate, drainage pipe, pressurizing device, movable steel plate, top of the slope support, bottom of slope support, landslide power device and accumulator tank；Fixation steel plate inclination fixed setting, and slope ratio is 1:1；Several drainage pipes are embedded on fixation steel plate；Movable steel plate being rotated by landslide power device；Accumulator tank is the fan-shaped taper groove body in section, and accumulator tank includes cambered surface, inclined-plane and vertical lateral part surface；The angle that inclined-plane and horizontal plane are in is 49 ~ 50 °.The present invention can realize landslide dangerous situation at the scene, and can carry out the rehearsal of speedily carrying out rescue work of the engineering measures such as levee crown off-load, levee toe ballast during coming down occurrence and development, speedily carry out rescue work and drill that process risk is controllable, not will cause the injures and deaths of personnel.The Landslide Model that prototype can be quickly restored after drilling simultaneously, largely saves the human and material resources and financial resources of later maintenance, and test has repeatability.
Description
Technical field
The present invention relates to geotechnical engineering and modeling techniques fields of preventing and reducing natural disasters, especially a kind of to drill for emergency flood fighting
Experienced landslide simulation test device.
Background technique
With the influence of Global climate change, situation that is multiple, retransmitting is presented in extreme weather, and China the Changjiang river is flowed in recent years
Over-level flood all has occurred in domain, Pearl River Delta, Taihu Lake basin, Second Songhua River Basin and Haihe basin including northeast, thus
Cause the landslide of many places dykes and dams, landslide needs to carry out emergency repair after occurring, but due to lacking training, when speedily carrying out rescue work often with
Certain blindness.Therefore, recognize the harm on landslide and rehearsal of targetedly speedily carrying out rescue work can be carried out to the effect for improving Landslide Protection
Have great importance.
The test of existing interior landslide, is broadly divided into three categories: architecture model test, centrifugal model test and geology power
Magnetic force model test is learned, since model scale is smaller and model casing is closed, is mainly used for Study of Landslides mechanism and corresponding antiskid
Engineering measure, it is impossible to be used in rehearsal of speedily carrying out rescue work under battle conditions.
The test of existing scene landslide, mainly utilizes influence of the existing terrain study rainfall to stability of earth dams.By
In gliding mass, huge and kinetic energy is larger, so that the risk after destroying is difficult to control, such as the full size rainfall carried out in Japan in 1971
Landslide test causes the major accident of 15 people death, 11 people injury.In addition, later stage recovery needs to put into biggish manpower
And financial resources, test have nonrepeatability.
Summary of the invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide one kind to be used for emergency flood fighting
The landslide simulation test device of rehearsal, the landslide simulation test device for being used for emergency flood fighting rehearsal can realize landslide danger at the scene
Feelings, and the rehearsal of speedily carrying out rescue work of the engineering measures such as levee crown off-load, levee toe ballast can be carried out during coming down occurrence and development, it speedily carries out rescue work and drills
It is controllable to practice process risk, not will cause the injures and deaths of personnel.The Landslide Model of prototype can be quickly restored after drilling simultaneously, greatly
Amount saves the human and material resources and financial resources of later maintenance, and test has repeatability.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of landslide simulation test device for emergency flood fighting rehearsal, including fixation steel plate, drainage pipe, pressurizing device, work
Dynamic steel plate, top of the slope support, bottom of slope support, landslide power device and accumulator tank.
Fixation steel plate inclination fixed setting, and slope ratio is 1:1, the top of fixation steel plate is in contact with top of the slope support, top of the slope
Support level fixed setting.
Several drainage pipes are embedded on fixation steel plate, every drainage pipe is connected with pressurizing device；Pressurization dress
It sets for proposing pressure supply water to every drainage pipe, is provided with valve on pressurizing device.
Movable steel plate can be rotated by landslide power device, and the rotatably mounted end of movable steel plate is towards fixation steel plate
Bottom end direction, the hinged end of movable steel plate and bottom of slope support or bottom of slope basis are hinged；Bottom of slope support level is fixed at
The side of movable steel plate hinged end.
Accumulator tank is the fan-shaped taper groove body in section, and accumulator tank includes cambered surface, inclined-plane and vertical lateral part surface.
Inclined-plane is obliquely installed, and is located at the lower section of movable steel plate, and the top on inclined-plane is corresponding with the movable hinged end of steel plate,
The angle that inclined-plane and horizontal plane are in is 49 ~ 50 °.
The bottom end of cambered surface is connected with the bottom end on inclined-plane, and the top of cambered surface is connected with the bottom end of fixation steel plate；Movable steel
The rotatably mounted end of plate can be slided along cambered surface；Vertical lateral part surface is fanning strip, and cambered surface is connected with inclined-plane, is formed open-topped
Taper groove body.
When movable steel plate turns to horizontality, earth material is deposited in top of the slope support, fixation steel plate, movable steel plate and bottom of slope branch
The top of support, forms initial ramp, and the outer slope ratio of initial ramp is 1:2.
When movable steel plate turns to inclined-plane, the part earth material in initial ramp is slid into accumulator tank, the slope after landing
Body is to slide slopes, and the outer slope ratio for sliding slopes is 1:0.7.
The angle that inclined-plane and horizontal plane are in is 49.7 °.
Earth material is flour sand.
The infiltration coefficient of flour sand isi×10-4Cm/s,i=1、2、3……9。
The water pressure for the pressure water that pressure apparatus is provided to drainage pipe is lower than 25kPa.
Landslide power device includes double-layer air bag and air-charging and air-discharging system, and air-charging and air-discharging system is used to control the inflation of double-layer air bag
And deflation；
The lower section of movable steel plate is arranged in double-layer air bag, and one end of double-layer air bag is anchored on the basis of bottom of slope support or bottom of slope, and
Anchor point is located at the underface of hinge joint.
Double-layer air bag includes stacking the inner bladder placed and balloon outer；The bottom at the top of inner bladder and movable steel plate
Portion is in contact, and the bottom of balloon outer is in contact with inclined-plane.
Inner bladder and the length of balloon outer are 0.95 ~ 1 times of movable steel plate length, inner bladder and balloon outer
Width is 0.8 ~ 0.9 times of movable steel plate width.
Inner bladder and the length of balloon outer are 0.988 times of movable steel plate length, inner bladder and balloon outer
Width is 0.848 times of movable steel plate width.
Inner bladder and the maximum pressure-bearing of balloon outer are 1.0MPa.
The invention has the following beneficial effects:
1, landslide form of the invention is the circular arc type sliding inside flour sand and the combined type circular arc along movable steel plate contact surface
Sliding, landslide effect are true to nature.
2, certain reaction time can be provided for emergency flood fighting rehearsal by landslide power device control landslide rate.
3, the design of above-mentioned accumulator tank and movable steel plate, the state before test can be quickly restored to after landslide, examination
Test to repeat in a short time.
Detailed description of the invention
Fig. 1 shows the structural representation before a kind of landslide simulation test device landslide for emergency flood fighting rehearsal of the present invention
Figure.
Fig. 2 shows the structural representation behind a kind of landslide simulation test device landslide for emergency flood fighting rehearsal of the present invention
Figure.
Fig. 3 shows the structural schematic diagram when power device that comes down in the present invention is double-layer air bag.
Fig. 4 shows structural schematic diagram when landslide power device is assumed to be single layer air bag.
Wherein have:
10. fixation steel plate；11. drainage pipe；20. pressurizing device；21. connecting tube；22. valve；30. movable steel plate；31. hinged
Point；40. earth material；41. outer slope；50. top of the slope supports；60. bottom of slope supports；70. come down power device；Air bag in 71.；72. outer gas
Capsule；73. anchor point；80. accumulator tank；81. cambered surface；82. inclined-plane.
Specific embodiment
Xia Mianjiehefutuhejuti compare Jia Shishifangshiduibenfamingzuojinyibuxiangxishuoming.
As shown in Figure 1, a kind of landslide simulation test device for emergency flood fighting rehearsal, including fixation steel plate 10, draining
Chimney filter 11, pressurizing device 20, movable steel plate 30, top of the slope support 50, bottom of slope support 60, landslide power device 70 and accumulator tank 80.
Fixation steel plate inclination fixed setting, and slope ratio is 1:1, the top of fixation steel plate is in contact with top of the slope support, top of the slope
Support level fixed setting.
Several drainage pipes are embedded on fixation steel plate, every drainage pipe is connected with pressurizing device.
Pressurizing device is connected by connecting tube 21 with every drainage pipe, for providing pressure to every drainage pipe
Water is provided with valve 22 on pressurizing device, and the water pressure for the pressure water that pressure apparatus is provided to drainage pipe is preferably shorter than
25kPa。
Movable steel plate can be rotated by landslide power device, and the rotatably mounted end of movable steel plate is towards fixation steel plate
Bottom end direction, the hinged end of movable steel plate and bottom of slope support or bottom of slope basis be hinged, and has a hinge joint 31.
Bottom of slope support level is fixed at the side of movable steel plate hinged end.
Accumulator tank is the fan-shaped taper groove body in section, and accumulator tank includes cambered surface 81, inclined-plane 82 and vertical lateral part surface.
Inclined-plane is obliquely installed, and is located at the lower section of movable steel plate, and the top on inclined-plane is corresponding with the movable hinged end of steel plate,
The angle that inclined-plane and horizontal plane are in is 49 ~ 50 °, preferably 49.7 °.
The bottom end of cambered surface is connected with the bottom end on inclined-plane, and the top of cambered surface is connected with the bottom end of fixation steel plate；Movable steel
The rotatably mounted end of plate can be slided along cambered surface；Vertical lateral part surface is fanning strip, and cambered surface is connected with inclined-plane, is formed open-topped
Taper groove body.
As shown in Figure 1, earth material is deposited in top of the slope support, fixation steel plate, movable steel when movable steel plate turns to horizontality
The top of plate and bottom of slope support, forms initial ramp, and the outer slope ratio of initial ramp is 1:2.
Above-mentioned earth material is preferably flour sand, and the infiltration coefficient of flour sand is preferablyi×10-4cm/s。
As shown in Fig. 2, the part earth material in initial ramp slides into accumulator tank when movable steel plate turns to inclined-plane,
Slopes after landing are to slide slopes, and the outer slope ratio for sliding slopes is 1:0.7.
External friction coefficient is first increases and then decreases with the increase of water content of soil, that is, there is an optimum moisture content, this
When interface external friction coefficient it is maximum, when the soil body is in a saturated state, external friction coefficient is minimum.The failure mode of this model is
Along the sliding of the soil body and steel plate contact surface, landslide whether can occur and destroy with the angle of external friction with significant relationship, it is logical before testing
The drainage hole crossed at the top of steel plate make it is in a saturated state with the soil body of steel plate contact site, thus be easier to realize landslide.
Above-mentioned landslide power device preferably has the following two kinds embodiment.
Embodiment 1: landslide power device is jack.
Embodiment 2: landslide power device, namely landslide rehearsal power device, including double-layer air bag and air-charging and air-discharging system are filled
Blow-off system is for controlling the inflatable and deflatable of double-layer air bag.
The lower section of movable steel plate is arranged in double-layer air bag, and movable steel plate can be slided along the cambered surface in accumulator tank, and slide angle
Degree is 0 ~ 50 °, preferably 49.7 °.
Accumulator tank also has the inclined-plane limited to movable steel plate slip angle, movable steel plate and bottom of slope support or bottom of slope
Basis is hinged.
One end of double-layer air bag is anchored on the basis of bottom of slope support or bottom of slope, and anchor point 73 is preferably placed at hinge joint 31
Underface.
As shown in figure 3, double-layer air bag includes stacking the inner bladder 71 placed and balloon outer 72；The top of inner bladder
It is touched with the bottom connection of movable steel plate, the bottom of balloon outer is in contact with inclined-plane.
Inner bladder and the length of balloon outer are 0.95 ~ 1 times of movable steel plate length, inner bladder and balloon outer
Width is 0.8 ~ 0.9 times of movable steel plate width.
Further, inner bladder and the length of balloon outer are preferably 0.988 times of movable steel plate length, inner bladder and
The width of balloon outer is preferably 0.848 times of movable steel plate width.
In Fig. 3, the width of a expression activity steel plate, b indicates that the width of double-layer air bag, c indicate the stress brachium of double-layer air bag
Degree.
The side that the side and/or inclined-plane that movable steel plate is in contact with interior air bag are in contact with outer air bag is preferably coated with drop
The material of low-friction coefficient；The material for reducing coefficient of friction is preferably stainless steel plate.
Inner bladder and the maximum pressure-bearing of balloon outer are preferably 1.0MPa.
The design of double-layer air bag in the present invention is not the simple superposition of single layer air bag, is repeated several times by applicant
It tests and calculates and obtain.
When landslide power device is assumed to be single layer air bag, as shown in figure 4, d indicates the width of single layer air bag, e table in Fig. 4
Show single layer air bag by torque arm length.
Compared with single layer air bag, the invention has the following beneficial effects:
1. air bag carries, pressure is small, and safe operation coefficient improves.After double capsule structures, the utricule of double-layer air bag and movable steel plate
Contact surface coincide property greatly improve, landing stability also greatly improves.Especially length direction contacts practical contact length and increases
Add, the overturning of entire movable steel plate is substantially improved for resisting the force unbalance ability that top earthing is unevenly formed.
Concrete analysis are as follows:
As shown in figure 4, extension space is excessive when single layer air bag works, misfitted with the contact surface of movable steel plate, and contact area
It is too small, when single layer air bag jack-up activity steel plate to horizontal position, do not only have 1/3 not with movable steel plate width direction contact area
It arrives, and is located at arm of force starting point；Length direction is movable steel plate since single layer air bag inflates the circular arc to be formed, practical and activity
Steel plate contact length is about movable steel plate length 2/3 or so.
By above-mentioned calculating, single layer air bag and movable steel plate real contact area are about movable steel plate suqare 2/9 or so, and by
It is shorter in the arm of force, and movable steel plate stress is then conversely, because the reason of earthing structure, stress center of gravity is biased to distal end, so it is single
The actual bearer pressure of layer air bag is bigger, can reach 0.6mpa, and easily form bias, air bag internal pressure is larger, and air bag is once held
Pressure is not enough exploded, and consequence is than more serious.
As shown in figure 3, double-layer air bag and movable steel plate width direction contact area account for 3/5 or more, length direction
Reach 4/5 or more, the stress arm of force of double-layer air bag is real positioned at the immediate vicinity namely double-layer air bag of movable steel plate and movable steel plate
Border contact area is about the half of movable steel plate suqare, so border carrying pressure is small, as long as air bag operating pressure maximum 0.2mpa,
Greatly reduce safe operation risk, in addition, the maximum bearing capacity of double-layer air bag increases, 1.0mpa can be reached.
2. air bag inflationtime shortens.It was shortened to 9 minutes under idle running state by 25 minutes of single layer air bag；Movable steel
Plate rises to equilbrium position (air bag internal pressure is 0.01MPa), and positioning pin is locked.It is real to carry under operating status, by 55 points of single layer air bag
Clock shortens to 33 minutes；Movable steel plate is raised to set angle, and positioning pin detaches, and starts to carry out landslide rehearsal debugging.
3. air bag intraluminal pressure becomes smaller.Under idle running state: air bag internal pressure is reduced to by the 0.1mpa of single layer air bag
0.01mpa；Movable steel plate rises to equilbrium position, and positioning pin is locked.Real to carry under operating status: air bag internal pressure is by single layer air bag
0.6mpa is reduced to 0.2mpa or so；Movable steel plate is raised to set angle, and positioning pin detaches, and starts to carry out landslide rehearsal tune
Examination.
4. the design of double-layer air bag of the present invention promotes sealing, and prevents the possibility of partial breakdown.
5. the increase of above-mentioned reduction friction coefficient material and hinge joint are separated with anchor points, therefore are filled in double-layer air bag
During swollen, especially movable steel plate restores after falling into hole bottom to horizontal position, double-layer air bag utricule and movable steel plate
Between will form displacement friction, reduce friction coefficient material increase after, action process can be made more smooth, and be greatly reduced due to
The abrasion of air bag caused by rubbing.
A kind of landslide simulation experiment method for homogeneous earth dam, includes the following steps.
Step 1, landslide simulation test device is built: piling up section is fan-shaped accumulator tank, and accumulator tank includes cambered surface and tiltedly
Face, the tilt angle on inclined-plane are 49 ~ 50 °, preferably 49.7 °.Fixation steel plate inclination fixed setting, and slope ratio is 1:1, fixed steel
The top of plate is in contact with top of the slope support, the fixed setting of top of the slope support level；Drainage pipe and pressurizing device on fixation steel plate
It is connected；Valve in pressurizing device is in close state；The hinged end of movable steel plate is supported with bottom of slope or bottom of slope basis is mutually cut with scissors
It connects, movable steel plate is in horizontal lock state, the rotatably mounted end of movable steel plate and fixation under the action of coming down power device
The bottom connection of steel plate touches.
In this step, landslide power device is preferably double-layer air bag and air-charging and air-discharging system, and double-layer air bag is in inflated condition,
The internal pressure of double-layer air bag is 0.2mpa.
Step 2, Landslide Model constructs: stacking soil in the top of top of the slope support, fixation steel plate, movable steel plate and bottom of slope support
Material, forms initial ramp, and the outer slope ratio of initial ramp is 1:2.
Earth material is preferably flour sand, and the infiltration coefficient of flour sand isi×10-4Cm/s,i=1、2、3……9.Under the conditions of non-test,
Due to the relatively slow edge of the side slope of initial ramp and there is enough stability, Bu Huifa under the support of fixation steel plate and movable steel plate
Raw landslide.
Step 3, earth material is saturated: the valve of pressurizing device is opened, and by drainage pipe, proposes pressure supply water to earth material, make with
The earth material that fixation steel plate is in contact is in a saturated state.
Pressurizing device is 30 minutes or so to the control of the water flowing time of earth material, can make the soil positioned at fixation steel plate top 2cm
Expect in a saturated state.The critical ratio of flour sand is dropped less than 1, and to prevent flour sand from seepage failure occurs, water pressure should be lower than 25kPa.
Step 4, come down simulation test: movable steel plate releases horizontal lock state, under the action of coming down power device to
Lower rotation, until parallel with the inclined-plane of accumulator tank；The part during rotation of movable steel plate, above movable steel plate
Earth material slides into accumulator tank along the cambered surface of accumulator tank and the upper surface of movable steel plate, forms landslide；Slopes after landing are
Slopes are slid, the outer slope ratio for sliding slopes is 1:0.7.
The soil body of model lower part is displaced downwardly together with movable steel plate and slides after movable steel plate rotates down certain angle
Enter accumulator tank, at this time the soil body on model top be in face dummy status also will occur along slide and slide into accumulator tank, that is, generate landslide
Phenomenon.In process of landslides, the soil body can disintegrate to the two sides of its glide direction, be disintegrated.Disintegration, disintegration degree and the structure of slide mass
It is related at the factors such as the material of slide mass, structure and preparation.It is higher than the reinforcing bar of design side slope due to building in movable steel plate two sides
Concrete protection wall, and the soil body to glide slides into accumulator tank, although therefore gliding mass is huge, but not cause casualties.
In step 4, by the decrease speed of control landslide power device, and then landslide rate is controlled, drilled for emergency flood fighting
Practice and certain reaction time is provided.
Step 5, landslide emergency flood fighting rehearsal.
Step 6, Landslide Model restores: movable steel plate is rotated up under the action of coming down power device to horizontality
And lock, so that the earth material being located in accumulator tank is left accumulator tank, formed and restore initial ramp, to restore the outside of initial ramp into
Row is smooth, makes the outer slope ratio 1:2 for restoring initial ramp.
After the completion of the test of landslide, movable steel plate is jacked up upwards using jack, recycling groove groove wall and bottom and equally building has
Armored concrete, cambered surface just permission activity steel plate are rotated down, and the maximum on inclined-plane and movable steel plate is rotated down operating condition phase
Agree with.Ensure that nearly all downslide soil body is all ejected accumulator tank.Horizontal position is turned again to movable steel plate, slightly
Next group of landslide experiment can be carried out after smooth outer side slope.
The present invention is especially suitable for the demonstrations on soil-slope landslide, while carrying out for the motor-driven professional contingent that speedily carries out rescue work of flood control and sliding
Slope disaster training and landslide disaster are speedily carried out rescue work rehearsal.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail a variety of equivalents can be carried out to technical solution of the present invention within the scope of the technical concept of the present invention, this
A little equivalents all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of landslide simulation test device for emergency flood fighting rehearsal, it is characterised in that: including fixation steel plate, draining filter
Pipe, pressurizing device, movable steel plate, top of the slope support, bottom of slope support, landslide power device and accumulator tank；
Fixation steel plate inclination fixed setting, and slope ratio is 1:1, the top of fixation steel plate is in contact with top of the slope support, top of the slope support
Level fixed setting；
Several drainage pipes are embedded on fixation steel plate, every drainage pipe is connected with pressurizing device；Pressurizing device is used
In proposing pressure supply water to every drainage pipe, valve is provided on pressurizing device；
Movable steel plate can be rotated by landslide power device, and the rotatably mounted end of movable steel plate is towards the bottom of fixation steel plate
Extreme direction, hinged end and the bottom of slope of movable steel plate support or bottom of slope basis is hinged；Bottom of slope support level is fixed at activity
The side of steel plate hinged end；
Accumulator tank is the fan-shaped taper groove body in section, and accumulator tank includes cambered surface, inclined-plane and vertical lateral part surface；
Inclined-plane is obliquely installed, and is located at the lower section of movable steel plate, and the top on inclined-plane is corresponding with the movable hinged end of steel plate, inclined-plane
The angle for being in horizontal plane is 49 ~ 50 °；
The bottom end of cambered surface is connected with the bottom end on inclined-plane, and the top of cambered surface is connected with the bottom end of fixation steel plate；Movable steel plate
Rotatably mounted end can be slided along cambered surface；Vertical lateral part surface is fanning strip, and cambered surface is connected with inclined-plane, forms open-topped taper
Groove body；
When movable steel plate turns to horizontality, earth material is deposited in top of the slope support, fixation steel plate, movable steel plate and bottom of slope support
Top, forms initial ramp, and the outer slope ratio of initial ramp is 1:2；
When movable steel plate turns to inclined-plane, the part earth material in initial ramp is slid into accumulator tank, and the slopes after landing are
Slopes are slid, the outer slope ratio for sliding slopes is 1:0.7.
2. it is according to claim 1 for emergency flood fighting rehearsal landslide simulation test device, it is characterised in that: inclined-plane with
The angle that horizontal plane is in is 49.7 °.
3. the landslide simulation test device according to claim 1 for emergency flood fighting rehearsal, it is characterised in that: earth material is
Flour sand.
4. the landslide simulation test device according to claim 3 for emergency flood fighting rehearsal, it is characterised in that: flour sand
Infiltration coefficient isi×10-4Cm/s,i=1、2、3……9。
5. the landslide simulation test device according to claim 1 for emergency flood fighting rehearsal, it is characterised in that: pressure dress
The water pressure of the pressure water provided to drainage pipe is set lower than 25kPa.
6. the landslide simulation test device according to claim 1 for emergency flood fighting rehearsal, it is characterised in that: landslide is dynamic
Power device includes double-layer air bag and air-charging and air-discharging system, and air-charging and air-discharging system is for controlling the inflatable and deflatable of double-layer air bag；
The lower section of movable steel plate is arranged in double-layer air bag, and one end of double-layer air bag is anchored on the basis of bottom of slope support or bottom of slope, and
Anchor point is located at the underface of hinge joint；
Double-layer air bag includes stacking the inner bladder placed and balloon outer；The bottom phase at the top of inner bladder and movable steel plate
Contact, the bottom of balloon outer is in contact with inclined-plane；
Inner bladder and the length of balloon outer are 0.95 ~ 1 times of movable steel plate length, the width of inner bladder and balloon outer
It is 0.8 ~ 0.9 times of movable steel plate width.
7. the landslide simulation test device according to claim 6 for emergency flood fighting rehearsal, it is characterised in that: internal layer gas
The length of capsule and balloon outer is 0.988 times of movable steel plate length, and the width of inner bladder and balloon outer is movable steel plate
0.848 times of width.
8. the landslide simulation test device according to claim 6 for emergency flood fighting rehearsal, it is characterised in that: internal layer gas
The maximum pressure-bearing of capsule and balloon outer is 1.0MPa.
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