CN221124564U - Test device for simulating landslide erosion-collapse-reviving evolution process - Google Patents
Test device for simulating landslide erosion-collapse-reviving evolution process Download PDFInfo
- Publication number
- CN221124564U CN221124564U CN202323158363.1U CN202323158363U CN221124564U CN 221124564 U CN221124564 U CN 221124564U CN 202323158363 U CN202323158363 U CN 202323158363U CN 221124564 U CN221124564 U CN 221124564U
- Authority
- CN
- China
- Prior art keywords
- bedrock
- landslide
- wave
- test
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000008569 process Effects 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 9
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000000053 physical method Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 13
- 230000003628 erosive effect Effects 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 14
- 238000012544 monitoring process Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 238000000917 particle-image velocimetry Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The test device for simulating the landslide 'erosion-landslide-reviving' evolution process comprises a landslide model arranged in a test box, wherein a wave making device and a wave absorbing device are respectively arranged at two ends of the model, the wave making device is arranged at the front end of the landslide model, the wave absorbing device is arranged at the rear end of the model, shooting devices are arranged at the top and two sides of the outside of the test box, the shooting devices at the top are arranged at the front end of the landslide model, a water body monitoring device is arranged side by side, the landslide model comprises a multistage bedrock plate and a bedrock plate lifting device, during test, bedrock, a sliding belt and a sliding body material are sequentially paved on the bedrock plate, a sensor is buried in the sliding body material, the test box is a transparent box with an opening at the top, double-layer glass is arranged in the box of a wave making device area, water injection and drainage devices are respectively arranged at the bottoms of the box on the sides of the wave making device and the wave absorbing device, and a sponge is arranged at the wave absorbing device end in the box; the device realizes the simulation of the erosion-collapse-reviving linkage process.
Description
Technical Field
The utility model relates to the technical field of water conservancy and geotechnical tests, in particular to a test device for simulating landslide erosion-collapse-reviving evolution process.
Background
According to national water conservancy general survey gazette, china has nearly 10 ten thousand reservoirs, wherein a plurality of large reservoirs are located in mountain areas with folds and faults for structural development and strong river valley cutting, and a plurality of historical landslide are inoculated by reservoir bedrock. Wherein, a plurality of history landslide is deformed after the water in the reservoir is stored, and the landslide becomes a reviving landslide. Along with the long-term operation of the reservoir, the erosion of bedrock is continuously advanced and the landslide is continuously expanded under the influence of fluctuation and wave action of reservoir water, so that not only are the water and soil loss and ecological environment deteriorated, but also the reviving progress of bedrock damage, especially reviving landslide, is continuously aggravated, even serious disastrous results are caused, and the infrastructure of a reservoir area, lives, properties and shipping safety are seriously threatened. Therefore, the erosion disaster-causing mechanism research is carried out on the revived landslide through the test device and the method for simulating the evolution process of erosion-landslide-reviving, and effective prevention measures are provided, so that the method is a real requirement for safe operation and sustainable development of large-scale hydraulic and hydroelectric engineering in the mountain area of the jaw.
In the prior art, the working principle of the wave erosion test device is that waves are generated by a wave generator, and the wave generator swings to enable water in the box body to generate waves to wash the bedrock plate, so that waves with certain rules and energy are formed and act on the test model; for example, CN209471000U discloses a wave erosion test device, which comprises a test box, a wave-making mechanism and a bedrock mechanism, wherein the wave-making mechanism and the bedrock mechanism are respectively arranged at two ends of the test box, the bedrock plate and the wave-making plate are positioned in the box at two ends of the test box, and the wave-making plate swings to enable the water body in the box to generate waves to wash the bedrock plate; the bedrock bottom plate has a single shape, and landslide with different sliding belt shapes cannot be simulated; the wave generation is single, and the simulation of different types of waves cannot be performed; the influence of reflected waves on the test cannot be counteracted without a wave eliminating device; the deformation monitoring technology is simple, and the comprehensive and accurate deformation information of points, surfaces and bodies of landslide generated by wave erosion cannot be obtained; only the erosion of bedrock can be simulated, but the linkage process of erosion-landslide disaster chains cannot be simulated.
Disclosure of Invention
The utility model aims to solve the technical problems of providing a test device for simulating the landslide 'erosion-landslide-reviving' evolution process, solving the problems that the form of a bedrock plate is single, the wave generation type is single, the influence of reflected waves in a test box on the test cannot be counteracted, the deformation monitoring technology is simple, and only the bedrock erosion can be simulated, realizing the simulation of different landslide belt forms, different types of waves and 'erosion-landslide' disaster chain linkage processes, and simultaneously realizing the more accurate acquisition of the comprehensive and accurate deformation information of landslide 'points, surfaces and bodies' generated by the wave erosion.
In order to solve the technical problems, the utility model adopts the following technical scheme: the test device for simulating the landslide 'erosion-landslide-reviving' evolution process comprises a landslide model arranged in a test box, wherein a wave generating device and a wave absorbing device are respectively arranged at two ends of the inside of the test box, the wave generating device is arranged at the front end of the landslide model, the wave absorbing device is arranged at the rear end of the landslide model, photographing devices are further arranged at the top and two sides of the outside of the test box, the photographing devices at the top are arranged at the front end of the landslide model, a water body monitoring device is further arranged side by side, the landslide model comprises a multi-stage bedrock plate and a bedrock plate lifting device, during test, a sliding belt material and a sliding body material are sequentially paved on the bedrock plate, and a plurality of sensors are buried in the sliding body material.
In the preferred scheme, the test box is open-top transparent box, is double glazing in the regional box of landslide model, is provided with the clearance between the two-layer glass, is provided with water injection device in the bottom half of wave making device side, is provided with drainage device in the bottom half of wave dissipating device side, is provided with the wave dissipating sponge at the tip of the inside wave dissipating device of test box.
In the preferred scheme, multistage bedrock board contains the articulated first bedrock board of order in proper order, second bedrock board and third bedrock board, and first bedrock board one end lift is fixed on the test box top frame, and the one end of third bedrock board is fixed on the slide rail of test box bottom.
In the preferred scheme, first bedrock board and second bedrock board, the junction of second bedrock board and third bedrock board is provided with bedrock elevating gear respectively.
In the preferred scheme, bedrock plate elevating gear contains the lift pivot of fixing at the test box top, and lift pivot and first bedrock plate and second bedrock plate, the junction of second bedrock plate and third bedrock plate adopts wire rope to be connected respectively.
In the preferred scheme, the wave making device comprises a first support frame movably connected and fixed at the top of the test box, the first support frame is connected with the test box through a lifting screw rod to lift up and down, a driving motor is fixed on the first support frame, the output end of the driving motor is detachably connected with a driving rod, one end of the driving rod is fixedly connected with a wave making plate, and the other end of the wave making plate is hinged with the first support frame.
In the preferred scheme, the wave absorbing device contains the third support frame of fixing at the test box top, the last fixed surface of third support frame is connected with the spacing channel, sliding connection has the slide bar on the spacing channel, the outer wall perpendicular fixedly connected with second support frame of slide bar, the lower fixed surface of second support frame is connected with drive nut, drive nut screw thread drive is connected with ball, the servo motor that is connected with can be dismantled to ball one end, servo motor fixes the lateral surface at the third support frame, the lower fixed surface of second support frame is connected with the gag lever post, the lower fixed surface of gag lever post is connected with waterproof biax motor, the connection unrestrained cylinder that disappears can be dismantled in the both sides output shaft department of waterproof biax motor, unrestrained cylinder other end that disappears passes through the connecting rod and is fixed with the second support frame.
In the preferred scheme, the shooting device comprises a first high-speed moving camera arranged on two sides of the test box and a second high-speed moving camera arranged at the front end of the landslide model at the top of the test box.
In the preferred scheme, the water body monitoring device comprises a flow velocity meter, a turbidity meter and a wave height meter, wherein a plurality of sensors are connected with a data acquisition instrument, a physical measurement system is formed together, and the data acquisition instrument is connected with a user terminal.
In the preferred scheme, the bedrock material is prepared by adopting plastic free resin to heat and cool, has the physicochemical characteristics of softening when in heat (more than 80 ℃), hardening when in cold, coloring and stable chemical property, and has the advantages of degradability (environmental protection), good integrity, convenient disassembly and repeatable plastic use.
The test device for simulating landslide erosion-collapse-reviving evolution process has the following beneficial effects:
1. The multistage adjustable bedrock plate solves the problem of single form of the bedrock plate in the prior art, and realizes the simulation of different sliding belt forms of landslide;
2. The wave-making regulation and control technology solves the problem of single wave-making in the prior art, and realizes the simulation of different types of waves;
3. the wave eliminating device solves the problem that the influence of reflected waves in the test box on the test cannot be counteracted in the prior art, and realizes more real simulation of actual wave erosion;
4. The multi-dimensional monitoring technology and the PIV (particle image velocimetry) picture processing technology overcome the problem of simple deformation monitoring technology in the prior art, and realize the comprehensive and accurate acquisition of landslide point, surface and body deformation information generated by wave erosion;
5. The utility model solves the problems that the prior art can only simulate bedrock erosion and can not simulate the erosion-landslide disaster chain linkage process, realizes the whole process simulation and information acquisition of the landslide erosion-landslide-reviving evolution process, provides reliable test devices and methods for the research of the reviving landslide erosion disaster-causing mechanism, and provides theoretical data and support for the establishment of effective prevention measures.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the present utility model;
FIG. 3 is a schematic diagram of a wave-making apparatus according to the present utility model;
FIG. 4 is a front view of the wave device of the present utility model;
FIG. 5 is a schematic view of the structure of the wave-absorbing device of the present utility model;
FIG. 6 is a schematic view of the sensor of the present utility model;
FIG. 7 is a schematic diagram of the sensor of the present utility model;
In the figure: the device comprises a test box 1, a landslide model 2, a wave making device 3, a wave dissipating device 4, a shooting device 5, a water body monitoring device 6, a sliding belt material 7, a sliding body material 8, a sensor 9, a water injection device 10, a drainage device 11, a wave dissipating sponge 12, a data acquisition instrument 13, a bedrock material 14, a first bedrock plate 201, a second bedrock plate 202, a third bedrock plate 203, a lifting rotating shaft 204, a steel wire rope 205, a first supporting frame 301, a driving motor 302, a transmission rod 303, a wave making plate 304, a third supporting frame 401, a limiting channel 402, a sliding rod 403, a second supporting frame 404, a transmission nut 405, a ball screw 406, a servo motor 407, a limiting rod 408, a waterproof double-shaft motor 409, a wave dissipating roller 410, a connecting rod 411, a first high-speed moving camera 501 and a second high-speed moving camera 502.
Detailed Description
As shown in fig. 1-7, a test device for simulating the evolution process of landslide erosion, landslide collapse and reviving comprises a landslide model 2 arranged in a test box 1, a wave generating device 3 and a wave absorbing device 4 are respectively arranged at two ends in the test box 1, the wave generating device 3 is arranged at the front end of the landslide model 2, the wave absorbing device 4 is arranged at the rear end of the landslide model 2, shooting devices 5 are further arranged at the top and two sides of the test box 1, the shooting devices 5 at the top are arranged at the front end of the landslide model 2, a water body monitoring device 6 is further arranged side by side, the landslide model 2 comprises a multi-stage bedrock plate and a bedrock plate lifting device, during test, a landslide belt material 7 and a landslide material 8 are sequentially paved on the bedrock plate, and a plurality of sensors 9 are buried in the landslide material.
In this embodiment, the test box 1 is a transparent box with an open top, the box in the landslide model 2 area is double-layer glass, a gap is provided between the two layers of glass, a water injection device 10 is provided at the bottom of the box on the wave making device 3 side, a drainage device 11 is provided at the bottom of the box on the wave absorbing device 4 side, and a wave absorbing sponge 12 is provided at the end of the wave absorbing device 4 inside the test box 1;
The multistage bedrock plate comprises a first bedrock plate 201, a second bedrock plate 202 and a third bedrock plate 203 which are sequentially hinged, one end of the first bedrock plate 201 is fixed on a top frame of the test box 1 in a lifting manner, and one end of the third bedrock plate 203 is fixed on a sliding rail at the bottom of the test box 1;
The junction of the first bedrock plate 201 and the second bedrock plate 202, and the junction of the second bedrock plate 202 and the third bedrock plate 203 are respectively provided with a bedrock lifting device;
The bedrock plate lifting device comprises a lifting rotating shaft 204 fixed at the top of the test box 1, wherein the lifting rotating shaft 204, the first bedrock plate 201 and the second bedrock plate 202 are connected at the joint of the second bedrock plate 202 and the third bedrock plate 203 by adopting a steel wire rope 205 respectively;
The wave generating device 3 comprises a first supporting frame 301 movably connected and fixed at the top of the test box 1, the first supporting frame 301 is connected with the test box 1 through a lifting screw rod to lift up and down, a driving motor 302 is fixed on the first supporting frame 301, the output end of the driving motor 302 is detachably connected with a transmission rod 303, one end of the transmission rod 303 is fixedly connected with a wave generating plate 304, and the other end of the wave generating plate 304 is hinged with the first supporting frame 301;
The wave elimination device 4 comprises a third support frame 401 fixed at the top of the test box 1, a limiting channel 402 is fixedly connected to the upper surface of the third support frame 401, a sliding rod 403 is connected to the limiting channel 402 in a sliding mode, a second support frame 404 is vertically and fixedly connected to the outer wall of the sliding rod 403, a transmission nut 405 is fixedly connected to the lower surface of the second support frame 404, a ball screw 406 is connected to the transmission nut 405 in a threaded transmission mode, a servo motor 407 is detachably connected to one end of the ball screw 406, the servo motor 407 is fixed to the outer side surface of the third support frame 401, a limiting rod 408 is fixedly connected to the lower surface of the second support frame 404, a waterproof double-shaft motor 409 is fixedly connected to the lower surface of the limiting rod 408, wave elimination rollers 410 are detachably connected to output shafts on two sides of the waterproof double-shaft motor 409, and the other end of the wave elimination rollers 410 is fixed with the second support frame 404 through a connecting rod 411;
The shooting device 5 comprises a first high-speed moving camera 501 arranged at two sides of the test box 1 and a second high-speed moving camera 502 arranged at the front end of the landslide model 2 at the top of the test box 1;
The water body monitoring device 6 comprises a flow rate meter, a turbidity meter and a wave height meter, the plurality of sensors 9 are connected with a data acquisition instrument 13, a physical measurement system is formed together, and the data acquisition instrument 13 is connected with a user terminal;
The bedrock material 14 is manufactured by heating and cooling plastic free resin.
When the method is specifically used, the test device for simulating the landslide 'erosion-collapse-reviving' evolution process is adopted for testing, and the method comprises the following steps:
step1: parameters are determined, landslide to be simulated by a model test is selected, the section form, the corresponding water storage position and various wave elements of the landslide are determined, a geometric similarity ratio is determined by using a dimension analysis method, and geometric parameters of the simulated landslide, various elements of the simulated wave and the simulated water level height are obtained after reduction;
Step2, adjusting landslide area equipment, namely adjusting and fixing a first bedrock plate 201 by rotating a lifting screw rod of a bedrock area, lifting a second bedrock plate 202 and a third bedrock plate 203 by rotating a lifting rotating shaft, moving a sliding rod at the front part of the third bedrock plate 203 and fixing the position of the sliding rod, and adjusting the whole bedrock plate to be close to the landslide bedrock form to be simulated;
Step3, debugging equipment in a wave-making area, opening a water injection device 10, closing a water outlet device 11, injecting water to the test box 1 through the water injection device 10 until the water level reaches the simulated water level height, closing the water injection device 10, lifting a first support frame 301 and driving a wave-making plate 304 to a reasonable height by rotating a lifting screw rod in the wave-making area, opening a driving motor 302 in the wave-making area and controlling the rotation frequency, and matching with the adjustment of the height of the wave-making plate 304 to make test simulated waves;
Step4, debugging wave eliminating area equipment, opening a wave eliminating area waterproof double-shaft motor 409, controlling the rotation frequency, enabling a wave eliminating roller 410 to rotate in the direction opposite to waves, opening a wave eliminating area servo motor 407, adjusting the front and back positions of the wave eliminating roller 410, matching with a wave eliminating sponge 12, jointly counteracting waves transmitted from a wave generating area, reducing the influence of reflected waves on a test, keeping the integral form of a bedrock plate, the positions of the wave generating plate and the wave eliminating roller 410 unchanged after the equipment is completely adjusted, closing a power supply, opening a water outlet device 11, and draining water in the test box 1;
Step5, paving a landslide and burying a sensor, namely heating thermoplastic free resin prepared in advance to soften the thermoplastic free resin so as to obtain plasticity, paving the thermoplastic free resin on a bedrock plate according to a determined bedrock form, cooling and hardening to obtain a bedrock material 14, uniformly paving a sliding belt material 7 on the bedrock material 14 to be about 3mm thick, determining the material consumption and paving depth of each layer before paving the sliding body layer, uniformly smearing lubricating materials on the side wall of a landslide groove, reducing boundary effect, paving the sliding belt material 8 layer by layer on the paved sliding belt material 7, scraping the surface of the sliding belt material 8 layer by using a brush after filling one layer of sliding belt material 8 to prevent layering of the sliding belt material 8, continuously filling the next layer of sliding belt material 8, embedding a plurality of physical quantity sensors 9 at designed positions while paving the sliding belt model, respectively connecting the sensors 9 with a data acquisition instrument 13 and debugging initial parameters;
Step6, test recording and monitoring, closing a water outlet device 11, injecting water to the test box 1 through the water injection device 10 until the water level reaches a specified height, closing the water injection device 10, opening a wave making area driving motor 302 and a wave eliminating area waterproof double-shaft motor 409, starting a test, recording the evolution process of landslide 'erosion-landslide-reviving' under the action of wave erosion by adopting a shooting device 5 in the test process, observing the deformation characteristics of the landslide by adopting a Geo-Piv technology (a rock-particle velocity measurement technology), analyzing landslide induction landslide reviving characteristics and reviving conditions, measuring the wave height, the flow speed and the turbidity degree of water by adopting a wave height meter, a flow velocity meter and a turbidity meter, determining the water content, pore water pressure and soil pressure value in the slope body in the test process, especially in the process of failure by adopting a multi-physical-quantity measuring system, and ending the test after the slope body is destroyed and the data of each sensor 9 tends to be stable.
In the preferred scheme, the test box 1 is a transparent box body with an opening at the top, the box body in the landslide model 2 area is double-layer glass, a gap is arranged between the two layers of glass, a water injection device 10 is arranged at the bottom of the box body at the side of the wave making device 3, a drainage device 11 is arranged at the bottom of the box body at the side of the wave dissipating device 4, and a wave dissipating sponge 12 is arranged at the end part of the wave dissipating device 4 inside the test box 1; the transparent box body is arranged, so that observation in the test process is facilitated; the double-layer glass in the wave-making area is arranged with gaps, so that waves can pass through the two sides of the landslide model 2, propagate to the wave-eliminating area and are broken by the wave-eliminating roller 410, and the influence of reflected waves on the test is reduced; the arrangement of the drainage device 10 and the water injection device 11 enables the test box to be filled with water and drained, and the arrangement of the wave-eliminating sponge 12 reduces the influence of reflected waves in the test box 1 on the test.
In a preferred scheme, the multi-stage bedrock plate comprises a first bedrock plate 201, a second bedrock plate 202 and a third bedrock plate 203 which are sequentially hinged, wherein one end of the first bedrock plate 201 is fixed on a top frame of the test box 1 in a lifting manner, and one end of the third bedrock plate 203 is fixed on a sliding rail at the bottom of the test box 1; the arrangement ensures that the multistage adjustable bedrock is realized, solves the problem of single form of the bedrock plate in the prior art, and realizes the simulation of different sliding belt forms of landslide.
In a preferred embodiment, a bedrock plate lifting device is respectively arranged at the connection position of the first bedrock plate 201 and the second bedrock plate 202, and the connection position of the second bedrock plate 202 and the third bedrock plate 203; the arrangement ensures that the bedrock at each level is adjustable, and realizes the simulation of different sliding belt forms of landslide.
In a preferred scheme, the bedrock plate lifting device comprises a lifting rotating shaft 204 fixed at the top of the test box 1, wherein the lifting rotating shaft 204, the first bedrock plate 201 and the second bedrock plate 202 are connected at the connection part of the second bedrock plate 202 and the third bedrock plate 203 by adopting a steel wire rope 205 respectively; by the arrangement, the flexibility of adjustment among all levels of bedrock plates is further improved, and simulation of different sliding belt forms of landslide is realized.
In a preferred scheme, the wave-making device 3 comprises a first supporting frame 301 movably connected and fixed at the top of the test box 1, the first supporting frame 301 is connected with the test box 1 through a lifting screw rod to lift up and down, a driving motor 302 is fixed on the first supporting frame 301, the output end of the driving motor 302 is detachably connected with a transmission rod 303, one end of the transmission rod 303 is fixedly connected with a wave-making plate 304, and the other end of the wave-making plate 304 is hinged with the first supporting frame 301; the wave generation control technology is realized by the arrangement, the problem of single wave generation in the prior art is solved, and the simulation of different types of waves is realized.
In the preferred scheme, the wave absorbing device 4 comprises a third supporting frame 401 fixed on the top of the test box 1, a limiting channel 402 is fixedly connected to the upper surface of the third supporting frame 401, a sliding rod 403 is connected to the limiting channel 402 in a sliding manner, a second supporting frame 404 is vertically and fixedly connected to the outer wall of the sliding rod 403, a transmission nut 405 is fixedly connected to the lower surface of the second supporting frame 404, a ball screw 406 is connected to the transmission nut 405 in a threaded transmission manner, a servo motor 407 is detachably connected to one end of the ball screw 406, the servo motor 407 is fixed to the outer side surface of the third supporting frame 401, a limiting rod 408 is fixedly connected to the lower surface of the second supporting frame 404, a waterproof double-shaft motor 409 is fixedly connected to the lower surface of the limiting rod 408, wave absorbing rollers 410 are detachably connected to output shafts on two sides of the waterproof double-shaft motor 409, and the other end of the wave absorbing rollers 410 are fixed with the second supporting frame 404 through a connecting rod 411; the device enables the wave-absorbing technology to be realized, solves the problem that the reflected wave in the test box cannot be counteracted in the prior art to influence the test, and realizes more real simulation of actual wave erosion.
In a preferred solution, the shooting device 5 includes a first high-speed moving camera 501 disposed at two sides of the test chamber 1, and a second high-speed moving camera 502 disposed at the front end of the landslide model 2 at the top of the test chamber 1; the water body monitoring device 6 comprises a flow rate meter, a turbidity meter and a wave height meter, the plurality of sensors 9 are connected with a data acquisition instrument 13, a physical measurement system is formed together, and the data acquisition instrument 13 is connected with a user terminal; the device realizes the multidimensional monitoring technology and PIV (particle image velocimetry) picture processing technology, solves the problem of simple deformation monitoring technology in the prior art, and realizes more accurate acquisition, storage, reproduction and analysis of landslide 'points, surfaces and bodies' generated by wave erosion.
In the preferred scheme, the bedrock material 14 is prepared by adopting plastic free resin which is heated and cooled, has the physicochemical characteristics of softening when being heated (more than 80 ℃), hardening when being cooled, coloring and stable chemical property, and has the advantages of degradability (environmental protection), good integrity, convenient disassembly and repeatable plastic use; the arrangement ensures that the form of the simulated landslide bedrock is more close to the actual landslide, and is favorable for installation and disassembly.
In summary, the test device for simulating the landslide erosion-landslide-reviving evolution process provided by the utility model overcomes the problems that the form of a bedrock plate in the prior art is single, the wave generation is single, the influence of reflected waves in a test box cannot be counteracted, the deformation monitoring technology is simple, and only the bedrock erosion can be simulated, realizes the simulation of the landslide different sliding belt forms, different types of waves and the erosion-landslide disaster chain linkage process, simultaneously realizes the more accurate acquisition of the landslide 'point, surface and body' comprehensive and accurate deformation information generated by the wave erosion, provides a reliable test device and method for the research of the reviving landslide erosion disaster causing mechanism, and provides theoretical data and support for the establishment of effective prevention measures.
Claims (10)
1. The test device for simulating the landslide erosion-landslide-reviving evolution process comprises a landslide model (2) arranged in a test box (1), and is characterized in that: the inside both ends of test box (1) still are provided with wave making device (3) and wave absorbing device (4) respectively, wave making device (3) set up the front end at landslide model (2), wave absorbing device (4) set up the rear end at landslide model (2), test box (1) top and outside both sides still are provided with shooting device (5), shooting device (5) at top set up the front end at landslide model (2), this is still provided with water monitoring devices (6) side by side, landslide model (2) contain multistage bedrock board and bedrock board elevating gear, lay bedrock material (14) on the bedrock board in proper order during the test, slippery strip material (7), slippery body material (8), a plurality of sensors (9) have been buried in the slippery body material.
2. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the test box (1) is a transparent box body with an opening at the top, the box body in the landslide model (2) area is double-layer glass, a gap is formed between the two layers of glass, a water injection device (10) is arranged at the bottom of the box body at the side of a wave generating device (3), a drainage device (11) is arranged at the bottom of the box body at the side of a wave dissipating device (4), and a wave dissipating sponge (12) is arranged at the end part of the wave dissipating device (4) inside the test box (1).
3. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the multistage bedrock plate comprises a first bedrock plate (201), a second bedrock plate (202) and a third bedrock plate (203) which are sequentially hinged in sequence, one end of the first bedrock plate (201) is fixed on a top frame of the test box (1) in a lifting manner, and one end of the third bedrock plate (203) is fixed on a sliding rail at the bottom of the test box (1).
4. A test apparatus for simulating landslide "erosion-collapse-reviving" evolution process according to claim 3, wherein: the first bedrock plate (201) and the second bedrock plate (202), the junction of the second bedrock plate (202) and the third bedrock plate (203) are respectively provided with bedrock lifting devices.
5. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 4, wherein: the bedrock plate lifting device comprises a lifting rotating shaft (204) fixed at the top of the test box (1), wherein the lifting rotating shaft (204) and the first bedrock plate (201) are connected with a second bedrock plate (202), and the connection part of the second bedrock plate (202) and a third bedrock plate (203) is respectively connected by adopting a steel wire rope (205).
6. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the wave generating device (3) comprises a first supporting frame (301) movably connected and fixed at the top of the test box (1), the first supporting frame (301) is connected with the test box (1) through a lifting screw rod to lift up and down, the first supporting frame (301) is fixedly provided with a driving motor (302), the output end of the driving motor (302) is detachably connected with a transmission rod (303), one end of the transmission rod (303) is fixedly connected with a wave generating plate (304), and the other end of the wave generating plate (304) is hinged with the first supporting frame (301).
7. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the wave elimination device (4) comprises a third support frame (401) fixed at the top of the test box (1), a limiting groove (402) is fixedly connected to the upper surface of the third support frame (401), a sliding rod (403) is connected to the limiting groove (402) in a sliding mode, a second support frame (404) is fixedly connected to the outer wall of the sliding rod (403) in a vertical mode, a transmission nut (405) is fixedly connected to the lower surface of the second support frame (404), a ball screw (406) is connected to the transmission nut (405) in a threaded mode, a servo motor (407) is detachably connected to one end of the ball screw (406), the servo motor (407) is fixed to the outer side face of the third support frame (401), a limiting rod (408) is fixedly connected to the lower surface of the second support frame (404), a waterproof double-shaft motor (409) is fixedly connected to the lower surface of the limiting rod (408), a wave elimination roller (410) is detachably connected to two-side output shafts of the waterproof double-shaft motor (409), and the other end of the wave elimination roller (410) is fixed to the second support frame (404) through a connecting rod (411).
8. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the shooting device (5) comprises a first high-speed moving camera (501) arranged on two sides of the test box (1) and a second high-speed moving camera (502) arranged at the front end of the landslide model (2) at the top of the test box (1).
9. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the water body monitoring device (6) comprises a flow velocity meter, a turbidity meter and a wave height meter, the plurality of sensors (9) are connected with a data acquisition instrument (13) to form a physical measurement system together, and the data acquisition instrument (13) is connected with a user terminal.
10. The test device for simulating landslide "erosion-collapse-reviving" evolution process of claim 1, wherein: the bedrock material (14) is manufactured by adopting plastic free resin to heat and cool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323158363.1U CN221124564U (en) | 2023-11-22 | 2023-11-22 | Test device for simulating landslide erosion-collapse-reviving evolution process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323158363.1U CN221124564U (en) | 2023-11-22 | 2023-11-22 | Test device for simulating landslide erosion-collapse-reviving evolution process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221124564U true CN221124564U (en) | 2024-06-11 |
Family
ID=91371075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323158363.1U Active CN221124564U (en) | 2023-11-22 | 2023-11-22 | Test device for simulating landslide erosion-collapse-reviving evolution process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221124564U (en) |
-
2023
- 2023-11-22 CN CN202323158363.1U patent/CN221124564U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108279191B (en) | Particle seepage migration three-dimensional visual test device and method based on tracing method | |
| CN105716960B (en) | Excavation of foundation pit model test apparatus under complicated groundwater environment | |
| CN108286237B (en) | Physical model and experimental method for influence of sand-containing water flow on water temperature structure of layered reservoir | |
| CN105040747B (en) | A kind of real-time monitoring device and method for pile works local scour experiment | |
| CN105738147B (en) | A kind of Hydraulic Projects observed seepage behavior merges sensory perceptual system | |
| CN103217512A (en) | Experimental device with physical landslide model | |
| CN109440837B (en) | Retaining wall model test device and method capable of simulating combined action of dry-wet circulation and underground water | |
| CN112730136B (en) | Freezing-thawing deformation indoor test system for dam slope of silt land dam under freezing-thawing circulation effect | |
| CN108333328A (en) | Subgrade soil displacement field and the visual experimental rig of seepage field and test method under a kind of seepage flow dynamic load by vehicle | |
| CN207991997U (en) | Particle seepage flow migration three-dimensional visualization experimental rig based on trace method | |
| CN109490111B (en) | Two-dimensional pile-soil interaction test system and method based on PIV technology | |
| CN114486171B (en) | Normal physical model for river channel type reservoir three-dimensional landslide surge test | |
| CN109765259B (en) | Method and device for determining upper limit change rule of frozen soil based on soil water and salt change | |
| CN107884015A (en) | A kind of lateral pipeclay effect test system and method with native face apparatus for leveling | |
| CN221124564U (en) | Test device for simulating landslide erosion-collapse-reviving evolution process | |
| CN109406096B (en) | Floating type offshore wind turbine generator measuring device and method thereof | |
| CN208076296U (en) | Simulate the measuring device and its experimental box of subgrade deformation parameter under action of traffic loading | |
| CN117607395A (en) | Test device and method for simulating landslide erosion-collapse-reviving evolution process | |
| CN209703578U (en) | Earth Pressure of Retaining Wall bath scaled model experimental device under plane strain condition | |
| CN110288899B (en) | Device and method for simulating disaster-causing mechanism of three-dimensional animal cave of homogeneous dam | |
| CN109706982A (en) | Earth Pressure of Retaining Wall bath scaled model experimental device and test method under plane strain condition | |
| CN114910249A (en) | Dynamic coupling experimental device for wind wave current and sea ice and drifting and accumulating experimental method for sea ice | |
| CN114577560A (en) | Experimental device and method for in-situ maintenance and test of underwater concrete | |
| CN207662459U (en) | A kind of lateral pipeclay effect test system with native face apparatus for leveling | |
| CN210712718U (en) | Sea wall scouring damage test device for damaged expansion joint panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |