CN112345735B - Landslide analysis system based on geomechanics - Google Patents
Landslide analysis system based on geomechanics Download PDFInfo
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- CN112345735B CN112345735B CN202110015323.8A CN202110015323A CN112345735B CN 112345735 B CN112345735 B CN 112345735B CN 202110015323 A CN202110015323 A CN 202110015323A CN 112345735 B CN112345735 B CN 112345735B
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a landslide analysis system based on geomechanics, which comprises a shell and a box body, wherein the lower end of the box body is provided with a rotating shaft, the box body is arranged in the shell through the rotating shaft, the lower side of one end of the box body is provided with an air cylinder, a first water inlet pipe is arranged in the shell, and the first water inlet pipe is connected to a step part. The shell is provided with a discharge plate, the upper end of the shell is provided with a sliding part, the sliding part is provided with a second water inlet pipe, the lower end of the second water inlet pipe is provided with a spray head, the sliding part is provided with a second limiting part, and the second limiting part is arranged on the side wall of the shell. The inside collecting chamber that still has of shell has the bracing piece in the collecting chamber, has the backup pad on the bracing piece, and the inside of backup pad has pressure sensor. This landslide analytic system based on geomechanics simple structure, design benefit can be through the rainfall simulation of second inlet tube, and first inlet tube simulation groundwater to the promotion of cylinder on the cooperation makes the box rotate, thereby makes the filler lapse in the box, simulates landslide phenomenon.
Description
Technical Field
The invention relates to the technical field of landslide simulation analysis, in particular to a landslide analysis system based on geomechanics.
Background
The landslide is a natural phenomenon that soil or rock mass on a slope slides downwards along the slope integrally or dispersedly under the action of gravity along a certain weak surface or a weak zone under the influence of factors such as river scouring, underground water activity, rainwater immersion, earthquake, artificial slope cutting and the like. The moving rock (earth) body is called a displaced body or a sliding body, and the unmoved underburden rock (earth) body is called a sliding bed.
Need be to the analysis to geology landslide phenomenon, the analysis then needs analysis testing platform observation data, but current testing arrangement all adopts simple promotion for thereby inside filler receives inclination, rainwater and vibration and falls down, simulation landslide phenomenon, and this kind of mode not only data is difficult to the record, and does not accord with to actual landslide phenomenon, so needs a new analysis and test system.
The Chinese invention patent 201910805560.7 discloses a physical test device for exploring rainfall induced landslide mechanism;
the Chinese invention patent CN107449889A discloses a self-reaction type reservoir landslide model test device and a test method;
the Chinese invention patent CN110441493B discloses a test device for an adjustable multifunctional landslide riverway accumulation disaster-causing range.
Above-mentioned prior art all is the box that adopts the tilting, places wherein the filler, then makes the filler form mud-rock flow arrange down through the influence of rivers, but this kind of mode simulation nature mud-rock flow that can not be complete, and the difficult pressure that simulates out mud-rock flow and arrange down to be difficult to detect the impact force when mud-rock flow flows down.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a landslide analysis system based on geomechanics.
The technical scheme of the invention is realized as follows:
a landslide analysis system based on geomechanics comprises a shell and a box body and is characterized in that a rotating shaft is arranged at the lower end of the box body, the box body is installed inside the shell through the rotating shaft, a cylinder is arranged on the lower side of one end of the box body and installed inside the shell, an inward concave portion is arranged at the middle part of the box body, the rotating shaft is arranged at the rear end of the concave portion, at least three step portions are arranged on the concave portion, a first water inlet pipe is arranged inside the shell and connected to the step portions, a blanking groove and a cover plate are further arranged on the box body, the cover plate is hinged to one side of the blanking groove, a supporting portion is arranged on the blanking groove, a first limiting portion matched with the supporting portion is arranged on the cover plate, a convex block is arranged on the side wall of the box body, a cross rod is arranged in the middle, the check block is hinged to the cross rod through a rotating rod, a blocking part matched with the first limiting part is arranged on the check block, a discharging chamber is arranged at the lower end of the box body and is positioned at the lower end of the charging chute, the discharging chamber is used for preventing water from entering the position where the air cylinder is located after the water in the filler is discharged, water is guided, a limiting plate is arranged at the rear end of the box body, a plurality of blocking walls built by the blocking blocks are arranged on the limiting plate, limiting bulges are arranged on the blocking blocks at two ends of each blocking wall, and a limiting recess is arranged on the limiting plate;
the shell is provided with a discharge plate, the upper end of the shell is provided with a sliding piece, the sliding piece is provided with a second water inlet pipe, the lower end of the second water inlet pipe is provided with a spray head, the sliding piece is provided with a second limiting part, and the second limiting part is arranged on the side wall of the shell;
the inside collecting chamber that still has of shell, the collecting chamber is the filler that is used for collecting to arrange down, the play flitch is opened and can be discharged the filler in the collecting chamber, the bracing piece has in the collecting chamber, the backup pad has on the bracing piece, the inside of backup pad has pressure sensor.
In the invention, the first water inlet pipe is provided with a sealing sleeve, and the sealing sleeve is provided with a linear cross groove.
In the present invention, the supporting portion has a sponge pad thereon.
In the invention, the lower end of the cross rod is provided with a detection plate hinged with a plurality of gravity sensor plates.
In the invention, the limiting plate is provided with a fixing piece, and the fixing piece is provided with a fixing part for fixing the blocking wall and an installation part installed on the limiting plate.
In the invention, the box body is provided with a threaded sleeve, the threaded sleeve is internally provided with a screw rod, one end of the screw rod is provided with a handle, and the other end of the screw rod is provided with a push plate.
The landslide analysis system based on geomechanics, which is implemented by the invention, has the following beneficial effects: this landslide analytic system based on geomechanics simple structure, design benefit can be through the rainfall simulation of second inlet tube, and first inlet tube simulation groundwater to the promotion of cylinder on the cooperation makes the box rotate, thereby makes the filler lapse in the box, simulates landslide phenomenon.
Meanwhile, the device is also provided with a detection plate which can detect the pressure of the filler before landslide and the pressure of the filler during landslide; on the other hand, the blocking wall blocks the filler, the blocking wall is poured onto the supporting plate after being flushed, and impact force caused by the filler is detected. The landslide phenomenon is simulated, rapid data detection and data analysis are facilitated, and protective measures are taken for areas where the landslide phenomenon is likely to occur actually.
Drawings
FIG. 1 is a schematic structural diagram of a geomechanical-based landslide analysis system of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the internal structure of FIG. 1;
FIG. 5 is a schematic view of the structure of the case in FIG. 4;
FIG. 6 is a schematic structural view of a part of the case of FIG. 5;
FIG. 7 is a partial enlarged view of FIG. 6 at B;
FIG. 8 is a schematic view of the sealing boot of FIG. 6;
FIG. 9 is a schematic view of the sensing board of FIG. 3;
fig. 10 is a schematic view of the fixing member of fig. 5.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 10, the geomechanical landslide analysis system of the present invention includes a housing 1 and a box 2, wherein the box 2 has a rotating shaft 3 at a lower end thereof, the box 2 is installed inside the housing 1 through the rotating shaft 3, a cylinder 4 is installed at a lower side of one end of the box 2, and the cylinder 4 is installed inside the housing 1.
The case 2 has a recess 5 inwardly depressed at a middle portion thereof, the rotary shaft 3 is at a rear end of the recess, and the recess 5 has at least three stepped portions 6. The box 2 is used for placing the filler, and the gravity of the filler falls into the concave part 5 and is limited by the step part 6, so that the filler is prevented from falling rapidly under the action of the inclination force after the box 2 is lifted at one end.
The inside first inlet tube 7 that has of shell 1, first inlet tube 7 is connected to on step 6, and first inlet tube 7 is used for intaking to the bottom of filler, because the direction of first inlet tube 7 is not perpendicular with box 2, so first inlet tube 7 can strike the filler, in the analogue test of reality, can adjust the water yield size of intaking in first inlet tube 7 as required certainly, thereby the impact of simulation groundwater to the massif is favorable to studying the influence that groundwater caused to the landslide.
Meanwhile, a sealing sleeve 8 is arranged on the first water inlet pipe 7, and a linear cross-shaped groove 9 is formed in the sealing sleeve 8. The linear cross 9 will unfold when it is squeezed by water and will not unfold when it is not under water pressure, thus avoiding the filler entering the first inlet conduit 7.
The box body 2 is further provided with a chute 10 and a cover plate 11, the cover plate 11 is hinged on one side of the chute 10, the cover plate 11 is used for covering the chute 10, when the filler slides down, the cover plate 11 is rotated to cover the chute 10, so that the filler passes through.
The charging chute 10 is provided with a supporting part 12, the cover plate 11 is provided with a first limiting part 13 matched with the supporting part 12, and the supporting part 12 is provided with a spongy cushion 14. The sponge cushion 14 is used for reducing the vibration impact on the box body 2 when the cover plate 11 rotates and falls down, so that the box body 2 can be stable and is not vibrated.
Meanwhile, the lateral wall of the box body 2 is provided with a lug 15, the middle of the lug 15 is provided with a cross rod 16, the cross rod 16 is provided with a stop 17, and the stop 17 is hinged on the cross rod 16 through a rotating rod 18. The stopper 17 has a stopper 19 engaged with the first stopper 13, and the stopper 19 is used for stopping the cover plate 11 to prevent it from rotating. When the cover plate 11 needs to rotate, the stopper 17 is only required to be pulled in one direction, so that the cover plate 11 can rotate under the pressure of the filler to cover the charging chute 10.
The lower end of the box body 2 is provided with a discharging chamber 20, the discharging chamber 20 is positioned at the lower end of the charging chute 10, and the discharging chamber 20 is used for guiding water after the water in the filler is discharged and avoiding the water from entering the position where the cylinder 4 is positioned.
The upper end of the shell 1 is provided with a sliding part 21, the sliding part 21 is provided with a second water inlet pipe 22, the lower end of the second water inlet pipe 22 is provided with a spray head 23, the sliding part 21 is provided with a second limiting part 24, and the second limiting part 24 is arranged on the side wall of the shell 1. The slide 21 can be pushed so that the second inlet conduit 22 can spray different positions. This second inlet tube 22 is used for simulating the rainfall nature for the watering of upper end can carry out moist to the filler, and when the watering was too much, cylinder 4 promoted box 2 and made the filler cause the landslide in the cooperation, thereby the influence that the simulation rainwater caused the landslide.
The rear end of the box body 2 is provided with a limiting plate 25, the limiting plate 25 is provided with a blocking wall 27 formed by a plurality of blocking blocks 26, the blocking blocks 26 at two ends of the blocking wall 27 are provided with limiting bulges 28, and the limiting plate 25 is provided with a limiting recess 29; the limiting protrusions 28 and the limiting recesses 29 are used to fix the blocking wall 27 against falling down by slight vibration.
When other components are mounted, the stopper wall 27 is prevented from falling down, the restricting plate 25 is provided with a fixing member 30, and the fixing member 30 has a fixing portion 31 for fixing the stopper wall 27 and a mounting portion 32 mounted on the restricting plate 25. For fixing the blocking wall 27, and the fixing member 30 is removed again at the time of the test.
The housing 1 also has a collecting chamber 33 therein, and the collecting chamber 33 is used for collecting the discharged filler. The casing 1 is provided with an outlet plate 34, and the outlet plate 34 is opened to discharge the filler in the collecting chamber 33.
The material collecting chamber 33 is provided with a support rod 35, the support rod 35 is provided with a support plate 36, and the support plate 36 is internally provided with a pressure sensor. The pressure sensor is used for detecting the pressure of the filler sliding down.
The cross bar 16 has a plurality of gravity sensor plates 37 hingedly connected to a detection plate 38 at its lower end. Detection plate 38 that this a plurality of gravity sensor boards 37 are constituteed can the rolling, and after cover plate 11 was covered on blanking groove 10 by the rotation, detection plate 38 can receive the thrust that comes from the filler to promote detection plate 38, thereby make detection plate 38 detect the pressure of the different degree of depth of filler. The stress condition of different depths of the landslide on the object can be analyzed.
The box body 2 is provided with a threaded sleeve 39, the threaded sleeve 39 is provided with a screw rod 40, one end of the screw rod 40 is provided with a handle 41, and the other end of the screw rod is provided with a push plate 42. The filler can be pushed by simulating larger pressure through rotating the handle 41, so that the filler is pushed downwards, and the pressure condition of the force of collapse of the upper mountain on the landslide main body is simulated.
The method realizes the simulation of the landslide in multiple modes, has authenticity, and has great significance for data analysis of the actual landslide and how to make favorable protective measures for the actual landslide.
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 principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A landslide analysis system based on geomechanics comprises a shell and a box body and is characterized in that a rotating shaft is arranged at the lower end of the box body, the box body is installed inside the shell through the rotating shaft, a cylinder is arranged on the lower side of one end of the box body and installed inside the shell, an inward concave portion is arranged at the middle part of the box body, the rotating shaft is arranged at the rear end of the concave portion, at least three step portions are arranged on the concave portion, a first water inlet pipe is arranged inside the shell and connected to the step portions, a blanking groove and a cover plate are further arranged on the box body, the cover plate is hinged to one side of the blanking groove, a supporting portion is arranged on the blanking groove, a first limiting portion matched with the supporting portion is arranged on the cover plate, a convex block is arranged on the side wall of the box body, a cross rod is arranged in the middle, the check block is hinged to the cross rod through a rotating rod, a blocking part matched with the first limiting part is arranged on the check block, a discharging chamber is arranged at the lower end of the box body and is positioned at the lower end of the charging chute, the discharging chamber is used for preventing water from entering the position where the air cylinder is located after the water in the filler is discharged, water is guided, a limiting plate is arranged at the rear end of the box body, a plurality of blocking walls built by the blocking blocks are arranged on the limiting plate, limiting bulges are arranged on the blocking blocks at two ends of each blocking wall, and a limiting recess is arranged on the limiting plate;
the shell is provided with a discharge plate, the upper end of the shell is provided with a sliding piece, the sliding piece is provided with a second water inlet pipe, the lower end of the second water inlet pipe is provided with a spray head, the sliding piece is provided with a second limiting part, and the second limiting part is arranged on the side wall of the shell;
the inside collecting chamber that still has of shell, the collecting chamber is the filler that is used for collecting to arrange down, the play flitch is opened and can be discharged the filler in the collecting chamber, the bracing piece has in the collecting chamber, the backup pad has on the bracing piece, the inside of backup pad has pressure sensor.
2. The geomechanical-based landslide analysis system of claim 1, wherein the first water inlet pipe has a gland thereon, the gland having a linear cross slot thereon.
3. The geomechanical-based landslide analysis system of claim 1, wherein the support portion has a foam pad thereon.
4. The geomechanical-based landslide analysis system of claim 1 wherein the cross-bar has a plurality of gravity sensor plate hinged sensing plates at its lower end.
5. The geomechanical-based landslide analysis system of claim 1, wherein the limiting plate has a fixture thereon, the fixture having a fixing portion to which the blocking wall is fixed and a mounting portion to be mounted on the limiting plate.
6. The geomechanical-based landslide analysis system of claim 1, wherein the box has a threaded sleeve with a lead screw therein, one end of the lead screw having a handle and the other end having a push plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015323.8A CN112345735B (en) | 2021-01-07 | 2021-01-07 | Landslide analysis system based on geomechanics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015323.8A CN112345735B (en) | 2021-01-07 | 2021-01-07 | Landslide analysis system based on geomechanics |
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| Publication Number | Publication Date |
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| CN112345735A CN112345735A (en) | 2021-02-09 |
| CN112345735B true CN112345735B (en) | 2021-03-19 |
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| CN202110015323.8A Expired - Fee Related CN112345735B (en) | 2021-01-07 | 2021-01-07 | Landslide analysis system based on geomechanics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113325158B (en) * | 2021-04-29 | 2022-08-30 | 中国地质大学（武汉） | Test device and method for simulating landslide-debris flow disaster chain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100878139B1 (en) * | 2008-07-10 | 2009-01-14 | 이동혁 | Landslide simulation tester |
| CN102331489B (en) * | 2011-07-19 | 2014-04-02 | 中国科学院力学研究所 | System for testing physical model for large-scale landslides under action of multiple factors |
| CN203259528U (en) * | 2013-04-09 | 2013-10-30 | 西南交通大学 | High-speed slide setting-out mechanism testing device |
| CN103616493B (en) * | 2013-11-29 | 2015-10-21 | 三峡大学 | A kind of three-dimensional artificial rainfall reservoir landslide physical experiments equipment |
| KR101587266B1 (en) * | 2015-08-10 | 2016-01-20 | 한국지질자원연구원 | Cell block for simulating landslide and landslide simulation apparatus using the cell block |
| CN205643339U (en) * | 2016-05-17 | 2016-10-12 | 四川大学 | Landslide test's spout system |
| CN106124739B (en) * | 2016-09-01 | 2018-06-15 | 中国地质大学（武汉） | A kind of multifunctional high speed remotely comes down dynamic process physical model test device |
| CN106353068B (en) * | 2016-09-23 | 2018-12-04 | 绍兴文理学院 | A kind of adjustable debris flows simulation pilot system of flow path |
| CN107449889A (en) * | 2017-08-11 | 2017-12-08 | 中国地质大学（武汉） | A kind of self-reaction force formula reservoir landslide model test apparatus and test method |
| TWM564807U (en) * | 2018-05-25 | 2018-08-01 | 明新科技大學 | Landslide simulation device |
| CN209400522U (en) * | 2018-10-26 | 2019-09-17 | 广西交通科学研究院有限公司 | A kind of geotechnical engineering slope model test case |
| CN109283320A (en) * | 2018-11-13 | 2019-01-29 | 南昌工程学院 | Rainfall and reservoir level coupling landslide physical analog test apparatus |
| CN111721913A (en) * | 2020-05-23 | 2020-09-29 | 中国科学院武汉岩土力学研究所 | Comprehensive model device with rainfall and underground water level tests |
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Effective date of registration: 20210816 Address after: 750000 Room 501, unit B, building 5, Jinmao building, 283 baohu East Road, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Ningxia Yongfeng Construction Engineering Co.,Ltd. Address before: 418 Guanglan Avenue, Nanchang Economic and Technological Development Zone, Jiangxi Province Patentee before: Donghua Polytechnic University Nanchang Campus |
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Granted publication date: 20210319 Termination date: 20220107 |