CN112017518A - Rainfall dangerous rock falling simulation device - Google Patents
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- CN112017518A CN112017518A CN202010885255.6A CN202010885255A CN112017518A CN 112017518 A CN112017518 A CN 112017518A CN 202010885255 A CN202010885255 A CN 202010885255A CN 112017518 A CN112017518 A CN 112017518A
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Abstract
The invention provides a rainfall induced dangerous rock falling simulation device, which belongs to the field of geological disaster experimental equipment and comprises a test box, a supporting plate, an angle adjusting mechanism, a dangerous rock simulation unit, a rainfall simulation mechanism and a camera; the supporting plate is arranged in the test box; the angle adjusting mechanism is respectively connected with the supporting plate and the test box and is used for adjusting the angle of the supporting plate relative to the bottom plate of the test box; the dangerous rock simulation unit is arranged on the supporting plate and used for simulating a side slope and dangerous rocks; the rainfall simulation mechanism is arranged at the top of the test box and used for simulating rainfall; the camera is arranged in the test box and used for acquiring images of dangerous rock movement. The rainfall dangerous rock falling simulation device provided by the invention can simulate scenes with different slopes and different slope heights under the same rock quality condition, is simple and convenient in adjustment process and easy to operate, can effectively increase the experimental flexibility of the simulation device, can obtain more representative data under the experimental conditions with different slopes, and can further better meet the experimental requirements.
Description
Technical Field
The invention belongs to the technical field of geological disaster experimental equipment, and particularly relates to a rainfall dangerous rock falling simulation device.
Background
China is a mountainous country, particularly southwest mountainous areas, and geological disaster accidents occur frequently. In addition, the rainy season in the southwest area is long, and dangerous rock collapse disasters caused by multiple rains occur every year. In recent years, the western construction is strengthened by the nation, the investment on western railways is increased, particularly the construction of high-speed railways, the highest speed per hour can exceed 400 kilometers, and a small rockfall can cause fatal impact on the high-speed railways, so that research on dangerous rock collapse disasters caused by rainfall must be strengthened.
For many years, a great deal of research is carried out on the disaster-causing mechanism, the falling stone track, the prevention and treatment and the like of dangerous rock collapse disasters caused by rainfall at home and abroad, and great achievements are obtained. Because the dangerous rock collapse speed is high, the dangerous rock track is difficult to observe, the in-situ test cost is high, the influence of weather environment is large, the operability is poor, the indoor dangerous rock collapse model test can be used for effectively observing, and the method has the advantages of convenience, strong operability, diversified measurement targets and the like. Therefore, the dangerous rock collapse model experiment has important significance for the basic theory research and the application research of the slope engineering.
At present, a traditional dangerous rock collapse model test system generally comprises a basic test piece, a slope test piece and a measuring device, a side slope inclination angle is fixed and unchanged, the dangerous rock collapse simulation experiment device is low in flexibility, the obtained data representativeness is limited, and the experiment purpose and the experiment requirement cannot be well met.
Disclosure of Invention
The invention aims to provide a rainfall dangerous rock falling simulation device, and aims to solve the technical problems that in the prior art, a dangerous rock collapse simulation experiment device is poor in experiment flexibility, limited in obtained data and incapable of effectively meeting experiment requirements.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a rainfall causes dangerous rock rockfall analogue means, includes:
a test chamber;
the supporting plate is arranged in the test box;
the angle adjusting mechanism is respectively connected with the supporting plate and the test box and is used for adjusting the angle of the supporting plate relative to the bottom plate of the test box;
the dangerous rock simulation unit is arranged on the supporting plate and used for simulating a side slope and dangerous rocks;
the rainfall simulation mechanism is arranged at the top of the test box and used for simulating rainfall; and
and the camera is arranged in the test box and used for acquiring images of dangerous rock movement.
As another embodiment of the application, a waterproof dark lattice is arranged in the test chamber and used for accommodating the camera.
As another embodiment of the present application, the dangerous rock simulation unit includes:
the simulated side slope is connected to the upper plate surface of the supporting plate;
simulating dangerous rocks, and placing the dangerous rocks on the simulated slope; and
and the baffle is arranged on the simulated slope and used for blocking the simulated dangerous rock.
As another embodiment of the present application, a plurality of insertion holes are arranged on the supporting plate, and the insertion holes are distributed along the slope direction of the simulated slope; the baffle comprises a plate body and an inserted bar, wherein the inserted bar is arranged at the end part of the plate body, and the inserted bar is used for being inserted into the insertion hole.
As another embodiment of this application, angle adjustment mechanism includes lift adjustment ware and pivot, the one end of layer board is passed through the pivot with the bottom plate of test box rotates to be connected, lift adjustment ware connect in the bottom plate for the shore props the layer board, the layer board is used for along with lift adjustment ware's lift and change the angle.
As another embodiment of this application, the first curb plate of proof box is the transparent plate, the face perpendicular to of first curb plate the pivot, the bottom of first curb plate is equipped with horizontal scale mark and angle scale mark, and a side edge is equipped with vertical scale mark, angle scale mark is used for marking the angle of layer board.
As another embodiment of this application, the lifting adjustment ware includes jack and stand, the jack connect in the bottom plate, the bottom of stand connect in the jack-up end of jack, the top of stand with the bottom surface sliding fit of layer board.
As another embodiment of the application, a drain hole is formed in the bottom plate, a water collecting tank in butt joint with the drain hole is arranged below the test box, and a drainage pipeline is arranged at the bottom of the water collecting tank.
As another embodiment of the present application, the rainfall simulation mechanism includes:
the water storage tank is arranged at the top of the test box;
the main pipe body is connected with the water storage tank and is provided with a first valve; and
and the branch shower pipes are arranged in the test box and are communicated with the main pipe body respectively, and each branch shower pipe is provided with a second valve respectively.
As another embodiment of the application, the bottom of the test box is provided with a travelling wheel.
The rainfall dangerous rock falling simulation device provided by the invention has the beneficial effects that: compared with the prior art, the dangerous rock falling simulation device caused by rainfall is characterized in that the dangerous rock simulation unit is arranged on the supporting plate before the experiment, rainfall is simulated through the rainfall simulation mechanism during the experiment, the moving track of dangerous rocks is shot in real time through the camera, the inclination angle of the supporting plate can be flexibly adjusted through the angle adjusting mechanism, scenes with different slopes and different slope heights can be simulated under the same rock quality condition, the adjusting process is simple and convenient, the operation is easy, the experiment flexibility of the simulation device can be effectively improved, more representative data can be obtained under the experiment conditions with different slopes, and the experiment requirements can be better met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rainfall dangerous rockfall simulation device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of an assembly structure of the supporting plate, the angle adjusting mechanism and the dangerous rock simulation unit in FIG. 1;
fig. 3 is a perspective view of an assembly structure of a supporting plate and a dangerous rock simulation unit adopted in the first embodiment of the invention;
FIG. 4 is a schematic top view of a base plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of an assembly structure of a waterproof dark space employed in the first embodiment of the present invention;
fig. 6 is a schematic view of an assembly structure of a waterproof dark cell adopted in the second embodiment of the present invention.
In the figure: 1. a test chamber; 101. a base plate; 102. a first side plate; 103. a third side plate; 104. a fourth side plate; 105. a top plate; 2. a support plate; 3. a dangerous rock simulation unit; 301. simulating a side slope; 302. simulating dangerous rocks; 303. a baffle plate; 3031. a plate body; 3032. inserting a rod; 4. a rainfall simulation mechanism; 401. a water storage tank; 402. a primary tube; 403. a separate sprinkling pipe; 404. a first valve; 405. a second valve; 5. a camera; 6. waterproof dark lattices; 7. a jack; 8. a lift adjuster; 801. a jack; 802. a column; 803. a roller; 9. a rotating shaft; 10. transverse scale marks; 11. marking angle scales; 12. marking longitudinal scales; 13. a drain hole; 14. a water collection tank; 15. a water discharge pipeline; 16. a first water level measurement scale; 17. a second water level measurement scale; 18. and (5) traveling wheels.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the rainfall dangerous rockfall simulation device provided by the present invention will now be described. The rainfall dangerous rock falling simulation device comprises a test box 1, a supporting plate 2, an angle adjusting mechanism, a dangerous rock simulation unit 3, a rainfall simulation mechanism 4 and a camera 5; the supporting plate 2 is arranged in the test box 1; the angle adjusting mechanism is respectively connected with the supporting plate 2 and the test box 1 and is used for adjusting the angle of the supporting plate 2 relative to the bottom plate 101 of the test box 1; the dangerous rock simulation unit 3 unit is arranged on the supporting plate 2 and used for simulating a side slope and dangerous rocks; the rainfall simulation mechanism 4 is arranged at the top of the test box 1 and used for simulating rainfall; the camera 5 is arranged in the test box 1 and used for acquiring images of dangerous rock movement.
Compared with the prior art, the rainfall induced dangerous rock falling simulation device provided by the invention has the advantages that the dangerous rock simulation unit 3 is arranged on the supporting plate 2 before an experiment, rainfall is simulated through the rainfall simulation mechanism 4 during the experiment, the moving track of dangerous rocks is shot in real time through the camera 5, subsequent data analysis is convenient to perform, the inclination angle of the supporting plate 2 can be flexibly adjusted through the angle adjusting mechanism, further scenes with different slopes and different slope heights can be simulated under the same rock quality condition, the adjusting process is simple and convenient, the operation is easy, the experiment flexibility of the simulation device can be effectively increased, more representative data can be obtained under the experiment conditions with different slopes, and the experiment requirements can be better met.
Referring to fig. 1, 5 and 6, a waterproof dark cell 6 is disposed in a test chamber 1, and the waterproof dark cell 6 is used for accommodating a camera 5. The waterproof dark check 6 is provided with an opening facing the dangerous rock simulation unit 3, does not influence the shooting of the camera 5, and can effectively prevent the camera 5 from water inflow and play a good role in protecting the camera 5.
Specifically, the side wall of the test chamber 1 is provided with a wire harness through hole capable of accommodating a wire used by the camera 5. The camera 5 can be directly placed in the waterproof dark cell 6, or can be clamped in the waterproof dark cell 6 through a clamping structure in the waterproof dark cell 6, so that the camera 5 is prevented from displacing.
On the basis of the above embodiment, the inner wall of the test box 1 can be provided with a slide way, the waterproof dark check is in sliding fit with the slide way, and then the position of the camera 5 can be adjusted by adjusting the position of the waterproof dark check 6, so that the shooting angle can be flexibly changed.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, the top plate surface of the waterproof dark check 6 is more protruded, which can provide a larger water blocking area without affecting the shooting of the camera 5.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the dangerous rock simulation unit 3 includes a simulated slope 301, a simulated dangerous rock 302, and a baffle 303; the simulation side slope 301 is connected to the upper plate surface of the supporting plate 2, the simulation dangerous rock 302 is placed on the simulation side slope 301, and the baffle 303 is arranged on the simulation side slope 301 and used for blocking the simulation dangerous rock 302. Wherein, the simulation side slope 301 is a rock component, and the baffle 303 is used for preventing the simulation dangerous rock 302 from sliding off. The dangerous rock simulation unit 3 can simulate the states of slopes and dangerous rocks in the natural environment more vividly, so that the experimental data are more reliable.
In particular, the simulated slope 301 may be attached to the pallet 2 by means of an adhesive.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, a plurality of insertion holes 7 are disposed on the supporting plate 2, and the insertion holes 7 are distributed along the slope direction of the simulated slope 301; the baffle plate 303 comprises a plate body 3031 and an insert rod 3032, wherein the insert rod 3032 is arranged at the end part of the plate body 3031, and the insert rod 3032 is used for being inserted into the insertion hole 7. The slope surface is oriented from the top to the bottom or from the bottom to the top. The width of the simulated side slope 301 is smaller than the width of the pallet 2 in order to expose the receptacle 7. Baffle 303 and layer board 2 cooperate through the grafting mode, in domatic trend, can set up a plurality of simulation dangerous rocks 302 that are in different positions simultaneously, can test the orbit of the same slope, different positions dangerous rocks, further improve the flexibility and the high efficiency of experiment, and then conveniently acquire more data.
Referring to fig. 1 and 2, as a specific implementation manner of the embodiment of the present invention, the angle adjusting mechanism includes a lifting adjuster 8 and a rotating shaft 9, one end of the supporting plate 2 is rotatably connected to the bottom plate 101 through the rotating shaft 9, the lifting adjuster 8 is connected to the bottom plate 101 and is used for supporting the supporting plate 2, and the supporting plate 2 is used for changing an angle along with the lifting of the lifting adjuster 8. The angle adjusting mechanism is simple in overall structure, convenient to adjust, capable of accurately adjusting the angle of the supporting plate 2 by executing lifting action, time-saving and labor-saving in the operation process, and further improves use convenience of the device.
The rotation shaft 9 is connected to the pallet 2 and the base plate 101 by a connecting piece or the like, respectively, to form a hinge-type rotation connection structure.
Specifically, the plurality of insertion holes 7 are distributed in a direction perpendicular to the rotation shaft 9.
Referring to fig. 1, a first side plate 102 of a test chamber 1 is a transparent plate, a plate surface of the first side plate 102 is perpendicular to a rotating shaft 9, a bottom of the first side plate 102 is provided with a horizontal scale mark 10 and an angle scale mark 11, a side edge is provided with a longitudinal scale mark 12, and the angle scale mark 11 is used for marking an angle of a supporting plate 2. Specifically, the rotating attachment end of the pallet 2 is aligned with the center of the angle scale markings 11. The transparent plate not only facilitates the experimenter to observe and record the landslide process, but also can accurately place the simulation dangerous rocks 302 by comparing with the transverse scale marks 10 and the longitudinal scale marks 12, and the angle scale marks 11 can accurately mark the gradient of the simulation side slope 301 so as to accurately adjust the gradient.
As a specific implementation manner of the embodiment of the present invention, a second side plate opposite to the first side plate 102 on the test chamber 1 is also a transparent plate, and the third side plate 103, the fourth side plate 104, the top plate 105 and the bottom plate 101 are all made of stainless steel plates, wherein the third side plate 103 is provided with slots for being clamped with the first side plate 102 and the second side plate, the top plate 105 and the bottom plate 101 are provided with slots for being clamped with the first side plate 102, the second side plate and the third side plate 103, and one side of the fourth side plate 104 is movably connected with the first side plate 102, the second side plate, the top plate 105 or the bottom plate 101, so as to form an openable and closable door structure. The two transparent plates which are arranged oppositely enable experimenters to observe and record the landslide process from more angles, and are also beneficial to accurately adjusting the gradient of the simulated side slope 301 and the position of the simulated dangerous rock 302. Each board of proof box 1 is spliced together through the grafting mode, and loading and unloading are convenient, are convenient for carry out the dismouting to proof box 1 and change. One side of the fourth side plate 104 can be rotatably connected with one of the plates, and the other side of the fourth side plate is locked with the other side plate through a locking structure, so that an openable door structure is formed, the opening and closing are convenient, and articles in the test box 1 can be conveniently taken and placed.
Specifically, the first side plate 101 and the second side plate are made of tempered glass, so that the transparency is good, and the strength is high.
Referring to fig. 1 and 2, as a specific implementation manner of the embodiment of the present invention, the lifting adjuster 8 includes a jack 801 and a column 802, the jack 801 is connected to the bottom plate 101, a bottom end of the column 802 is connected to a jacking end of the jack 801, and a top end of the column 802 is slidably engaged with a bottom surface of the supporting plate 2. The lifting regulator 8 has a simple structure, the jack 801 has high supporting force, and the lifting regulator can play a stable supporting role on the supporting plate 2, the simulated slope surface 301 and the simulated dangerous rock 302, so that the supporting failure is prevented; meanwhile, the sliding fit of the upright column 802 and the supporting plate 2 also simplifies the connecting structure of the upright column 802 and the supporting plate 2 to the greatest extent, and the cooperation of the lifting regulator 8 and the supporting plate 2 can be realized by adopting fewer parts, so that the maintenance is convenient.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the top of the upright post 802 is in rolling fit with the supporting plate 2 through a roller 803, the roller 803 is arranged parallel to the rotating shaft 9 to realize the sliding fit between the upright post 802 and the supporting plate 2, the lower portion of the roller 803 is embedded into the upright post 802, an arc chamfer is arranged at an edge of one side of the top end of the upright post 802 facing the supporting plate 2, and the arc chamfer forms a clearance structure to prevent the supporting plate 2 from being worn or gouged. The roller 803 increases the contact area of the lifting adjuster 8 and the supporting plate 2, so that the support is more stable, and the friction force generated by direct sliding friction can be reduced, thereby avoiding abrasion of the supporting plate 2.
Referring to fig. 1 and 4, a bottom plate 101 is provided with a water discharge hole 13, a water collection tank 14 is disposed below the test chamber 1 and is in butt joint with the water discharge hole 13, and a water discharge pipe 15 is disposed at the bottom of the water collection tank 14. The water collecting tank 15 is used for collecting water for simulating rainfall and discharging the collected water, the water collecting tank 14 is arranged at the bottom of the bottom plate 101 and can be fixedly connected with the bottom plate 101, and then the integrated arrangement mode of the test box 1 and the water collecting tank 14 is realized, so that the whole structure of the device is more compact, and the use is more convenient.
Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, at least one side plate of the water collection tank 14 is provided with a first water level measurement scale 16. The rainfall is convenient to record, so that the cause of the collapse of the dangerous rock can be further analyzed through the rainfall parameter.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the rainfall simulation mechanism 4 includes a water storage tank 401, a main pipe 402 and a distribution pipe 403; the water storage tank 401 is arranged at the top of the test box 1; the main pipe body 402 is connected with the water storage tank, and a first valve 404 is arranged on the main pipe body 402; the branch shower pipes 403 are arranged in the test box 1, and are provided with a plurality of branch shower pipes 403 respectively communicated with the main pipe body 402, and each branch shower pipe 403 is provided with a second valve 405. When dangerous rocks are dispersed, a plurality of spray pipes 43 need to be opened, at this time, the second valve 405 needing to be opened can be opened, and then the first valve 404 is opened; when the dangerous rocks are distributed in a concentrated manner, only one second valve 405 on one branch shower pipe 403 needs to be opened, at this time, the first valve 404 can be opened first, and then one second valve 405 at a specified position is opened. The second valve 405 can also control the flow of the branch shower pipe 403, and the influence of rainfall conditions in the natural environment on dangerous rock collapse is simulated by adjusting the second valve 405, so that the basic theory and application research of geological disasters are achieved. By the implementation mode, not only can the rainfall be accurately simulated, but also a large amount of water sources can be saved.
As a specific implementation manner of the embodiment of the present invention, the drainage pipe 15 is connected to the water storage tank through a circulation pipe and a circulation pump to pump the water in the water collection tank 14 to the water storage tank 401 again, so as to avoid repeatedly adding water into the water storage tank 401 in an experimental process, realize the recycling of water resources, and save water.
Specifically, referring to fig. 1, a plurality of shower pipes 403 may be distributed in a direction parallel to the surface of the bottom plate 101, so as to simulate precipitation in different areas.
Referring to fig. 1, as a specific implementation manner of the embodiment of the present invention, at least one side plate of the water storage tank 401 is provided with a second water level measurement scale 17. The rainfall data can be more accurately obtained by combining the water level in the water collecting tank 14, so that the cause of the dangerous rock collapse can be more deeply analyzed through the rainfall parameter.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a walking wheel 18 is disposed at the bottom of the test chamber 1, so as to facilitate the transportation of the whole experimental apparatus.
Specifically, the road wheels 18 are universal wheels, and are connected to the bottom of the water collection tank 14.
The rainfall dangerous rock falling simulation device provided by the invention has the advantages of compact integral structure, convenience in disassembly and assembly, firmness and durability, capability of simulating various natural environments more vividly, more comprehensive obtained experimental data and higher reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Rainfall dangerous rock rockfall analogue means that causes, its characterized in that includes:
a test chamber;
the supporting plate is arranged in the test box;
the angle adjusting mechanism is respectively connected with the supporting plate and the test box and is used for adjusting the angle of the supporting plate relative to the bottom plate of the test box;
the dangerous rock simulation unit is arranged on the supporting plate and used for simulating a side slope and dangerous rocks;
the rainfall simulation mechanism is arranged at the top of the test box and used for simulating rainfall; and
and the camera is arranged in the test box and used for acquiring images of dangerous rock movement.
2. The rainfall crisis rockfall simulation apparatus according to claim 1, wherein a water-proof dark space is provided in the test chamber, the water-proof dark space being adapted to accommodate the camera.
3. The rainfall crisis rockfall simulation apparatus according to claim 1, wherein the crisis rock simulation unit includes:
the simulated side slope is connected to the upper plate surface of the supporting plate;
simulating dangerous rocks, and placing the dangerous rocks on the simulated slope; and
and the baffle is arranged on the simulated slope and used for blocking the simulated dangerous rock.
4. The rainfall crisis rockfall simulation apparatus according to claim 3, wherein the support plate is provided with a plurality of insertion holes, and the insertion holes are distributed along the slope direction of the simulation slope; the baffle comprises a plate body and an inserted bar, wherein the inserted bar is arranged at the end part of the plate body, and the inserted bar is used for being inserted into the insertion hole.
5. The rainfall crisis rockfall simulation apparatus according to claim 1, wherein the angle adjustment mechanism includes a lifting adjuster and a rotating shaft, one end of the support plate is rotatably connected to the bottom plate of the test chamber through the rotating shaft, the lifting adjuster is connected to the bottom plate and is configured to support the support plate, and the support plate is configured to change an angle as the lifting adjuster is lifted.
6. The rainfall crisis rockfall simulation device according to claim 5, wherein the first side plate of the test chamber is a transparent plate, the surface of the first side plate is perpendicular to the rotating shaft, the bottom of the first side plate is provided with a transverse scale mark and an angle scale mark, one side edge is provided with a longitudinal scale mark, and the angle scale mark is used for marking the angle of the supporting plate.
7. The rainfall crisis rockfall simulation apparatus according to claim 5, wherein the lifting adjuster comprises a jack and a column, the jack is connected to the base plate, the bottom end of the column is connected to the jacking end of the jack, and the top end of the column is in sliding fit with the bottom surface of the support plate.
8. The rainfall dangerous rock fall simulation device according to claim 1, wherein a drain hole is formed in the bottom plate, a water collection tank in butt joint with the drain hole is arranged below the test tank, and a drainage pipeline is arranged at the bottom of the water collection tank.
9. The rainfall crisis rockfall simulation apparatus according to claim 1, wherein the rainfall simulation mechanism includes:
the water storage tank is arranged at the top of the test box;
the main pipe body is connected with the water storage tank and is provided with a first valve; and
and the branch shower pipes are arranged in the test box and are communicated with the main pipe body respectively, and each branch shower pipe is provided with a second valve respectively.
10. The rainfall crisis rockfall simulation apparatus according to claim 1, wherein the test chamber has road wheels at its bottom.
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| CN202010885255.6A CN112017518A (en) | 2020-08-28 | 2020-08-28 | Rainfall dangerous rock falling simulation device |
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| CN202010885255.6A CN112017518A (en) | 2020-08-28 | 2020-08-28 | Rainfall dangerous rock falling simulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607927A (en) * | 2021-10-08 | 2021-11-05 | 四川藏区高速公路有限责任公司 | Simulation test device for rockfall slope instability mechanism under rainfall condition |
| CN114371273A (en) * | 2022-01-14 | 2022-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting collapse influence range of dangerous rock mass |
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| CN113607927A (en) * | 2021-10-08 | 2021-11-05 | 四川藏区高速公路有限责任公司 | Simulation test device for rockfall slope instability mechanism under rainfall condition |
| CN114371273A (en) * | 2022-01-14 | 2022-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting collapse influence range of dangerous rock mass |
| CN114371273B (en) * | 2022-01-14 | 2023-11-14 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting dangerous rock body caving influence range |
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