CN217359889U - Freezing and thawing landslide simulation device - Google Patents
Freezing and thawing landslide simulation device Download PDFInfo
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- CN217359889U CN217359889U CN202221811293.8U CN202221811293U CN217359889U CN 217359889 U CN217359889 U CN 217359889U CN 202221811293 U CN202221811293 U CN 202221811293U CN 217359889 U CN217359889 U CN 217359889U
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- thaw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The utility model provides a freeze thawing landslide simulation device, which comprises a freeze thawing circulation box and a landslide model box arranged in the freeze thawing circulation box; a push plate is arranged on the side wall of the landslide model box, the push plate corresponds to the top end of a sample slope body in the landslide model box, and the push plate is also connected with a horizontal loading counter-force mechanism; a monitoring system is arranged in the landslide model box and connected with a data analysis system; the freeze-thaw circulation box is connected with a freeze-thaw circulation assembly. The utility model discloses a horizontal loading counter-force mechanism and both combine with the freeze-thaw cycle subassembly that the freeze-thaw cycle case is connected, realize the simulation of freeze-thaw type landslide unstability to through monitoring system and data analysis system acquisition freeze-thaw district interior landslide security and motion range, there is a clear and audio-visual analysis to the landslide overall process.
Description
Technical Field
The utility model relates to a physical method measurement test ground material technical field, concretely relates to freeze thawing landslide analogue means.
Background
The river-Tibet railway passes through a large-area high-altitude seasonal freezing and thawing area along the line, and the slope of the seasonal freezing and thawing area often generates geological disasters such as deformation, damage and instability in the thawing period, so that the safety and durability of structures such as a tunnel portal supporting structure and a railway cutting slope are greatly influenced, and in order to ensure the smooth construction and safe operation of river-Tibet railway engineering, the deep research needs to be carried out on the deformation and damage mechanism of the slope of the seasonal freezing and thawing area urgently.
Because field tests have some limiting factors, the research content can be realized mainly by relying on a freeze-thaw landslide simulation test device. In the prior art, a loaded landslide model test is commonly adopted in China to research the landslide mechanism, and monomer components such as a landslide model test box body structure, a landslide surface structure and a freeze-thaw landslide are perfected, but no mature existing case exists for a freeze-thaw slope simulation test. Meanwhile, core problems of 'controlling freeze-thaw cycle, designing and loading and unloading a model box, horizontal loading and counterforce, reliably monitoring the whole test process' and the like involved in a freeze-thaw slope simulation test are not completely solved at home and abroad, and local improvement is only carried out by individual technical means, so that the reliability, stability and repeatability of the simulation test cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a freeze thawing landslide analogue means for there is unable guarantee analogue test reliability, stability and repeatability's technical problem in the freeze thawing landslide analogue means among the solution prior art.
In order to achieve the above object, an embodiment of the present invention provides a freeze-thaw landslide simulation apparatus, including a freeze-thaw circulation box and a landslide model box installed inside the freeze-thaw circulation box;
a push plate is arranged on the side wall of the landslide model box, corresponds to the top end of a slope body in the landslide model box, and is also connected with a horizontal loading counter-force mechanism; a monitoring system is arranged in the landslide model box and connected with a data analysis system;
the freeze-thaw circulation box is connected with a freeze-thaw circulation assembly.
Preferably, the horizontal loading counter-force mechanism comprises a horizontal loading stand column and an assembling and disassembling sleeve arranged on the horizontal loading stand column, one end of the horizontal loading stand column is detachably connected with the push plate through the assembling and disassembling sleeve, the other end of the horizontal loading stand column penetrates through the freeze-thaw cycle box and is connected with a counter-force mechanism mounting seat, and the counter-force mechanism mounting seat is fixed on the base.
Preferably, the landslide model box is provided with a loading and unloading assembly.
Preferably, the loading and unloading assembly comprises a travelling crane frame and a travelling crane rail arranged on the travelling crane frame, a cross rod is movably arranged on the travelling crane rail and connected with a driving motor, and a hoisting electric hoist is arranged on the cross rod.
Preferably, the monitoring system comprises a soil moisture monitoring system, a soil water potential sensor, a displacement meter, an embedded inclinometer and a collecting instrument.
Preferably, the freezing and thawing circulation assembly comprises a refrigerating device and a heating device, the refrigerating device is connected with a refrigerating pipe, the refrigerating pipe is connected with the freezing and thawing circulation box, the heating device is connected with a heating pipe, and the heating pipe is connected with the freezing and thawing circulation box.
Preferably, the refrigerating pipe is provided with a water pump, and the heating pipe is provided with a circulating pump.
Preferably, a temperature sensor is installed inside the freeze-thaw cycle box.
To sum up, the beneficial effects of the utility model are that:
1. the utility model discloses a loading of horizontal loading counter-force mechanism realization power to on the sample slope body with loaded power effect in landslide simulation incasement, simultaneously through the freeze-thaw cycle subassembly simulation environment that is connected with the freeze-thaw cycle case freeze thawing, both combine the simulation that realizes freeze-thaw type landslide unstability, and through monitoring system and data analysis system acquisition freeze-thaw district interior landslide security and motion range, have a clear and audio-visual analysis to the landslide overall process.
2. The utility model discloses an increase or change four sets of subsystems, solved the problem of automatic control freeze-thaw cycle process, guaranteed the homogeneity and the control by temperature change high accuracy stability of the inside temperature of sample better. The building, assembling and disassembling processes of the model box are simplified, and the test is more convenient to realize. A horizontal loading counter-force mechanism is designed, and accurate stress conditions can be obtained. Automatic control and measurement are realized in the whole process, the requirements of reasonable experimental principle, high measurement precision and feasible technology are met, and the test efficiency is greatly improved.
3. The utility model discloses a freeze thawing landslide analogue means is exclusively used in landslide destabilization mechanism simulation analysis's large-scale three-dimensional analogue means, is applicable to the thawing mud stream of opening frozen soil district, hot thawing landslide, the stable physical simulation of landslide under the conditions such as horizontal thrust, also can the landslide prevention and cure effect under the all kinds of conditions of simulation analysis. Selecting key parts of a prototype through a landslide prototype case, adopting field materials and similar materials to jointly construct a scale model, reasonably setting a sliding belt, developing indoor physical model tests under different freeze-thaw infiltration conditions, monitoring the change of various physical quantities through a sensor, and analyzing the landslide resurrection instability process and the failure mode under different natural environmental conditions.
4. The utility model discloses a landslide mold box disposes the loading and unloading subassembly, and the loading and unloading subassembly is used for realizing lifting by crane of landslide mold box optional position in the operating region.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a loading and unloading assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a freeze-thaw cycle box according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a landslide model box according to an embodiment of the present invention.
The device comprises a freezing and thawing circulation box 1, a landslide model box 2, a push plate 3, a horizontal loading counterforce mechanism 4, a freezing and thawing circulation assembly 5, a horizontal loading upright post 6, an assembling and disassembling sleeve 7, a counterforce mechanism mounting seat 8, a base 9, a loading and disassembling assembly 10, a traveling crane frame 11, a traveling crane track 12, a cross bar 13, a driving motor 14, an electric hoist 15 for hoisting, a cooling pipe 16, a heating pipe 17, a water pump 18 and a circulating pump 19.
Detailed Description
The utility model provides a freeze thawing landslide analogue means, include freeze thawing circulation case 1 and install landslide mold box 2 in 1 inside of freeze thawing circulation case. A freeze thaw cycle box 1 is shown in fig. 3 and a landslide model box 2 is shown in fig. 4. The freeze thawing circulation box 1 is fixed on a base 9, and a sample slope body is arranged in the landslide model box 2. The landslide model box 2 is formed by welding low-temperature carbon structural steel Q235E steel plates, reinforcing ribs are welded on all surfaces of the landslide model box to ensure that the rigidity of the landslide model box 2 is good, meanwhile, all seams of the landslide model box 2 are fully welded to ensure that anti-freezing liquid between the landslide model box 2 and the freeze-thaw circulation box 1 does not enter a sample, and meanwhile, redundant moisture in the sample is not discharged out of the landslide model box 2.
As shown in fig. 1, a push plate 3 is provided on the side wall of the landslide model box 2, the push plate 3 corresponds to the top end of the sample slope in the landslide model box 2, the push plate 3 is further connected with a horizontal loading reaction force mechanism 4, and the horizontal loading reaction force mechanism 4 is used for realizing the loading of force. The push plate 3 can push the soil body on the upper part of the sample for a certain distance through the horizontal loading counterforce mechanism 4 so as to realize landslide simulation.
The horizontal loading counter-force mechanism 4 comprises a horizontal loading upright post 6 and an assembling and disassembling sleeve 7 arranged on the horizontal loading upright post 6, one end of the horizontal loading upright post 6 is detachably connected with the push plate 3 through the assembling and disassembling sleeve 7, the other end of the horizontal loading upright post penetrates through the freeze-thaw cycle box 1 and is connected with a counter-force mechanism mounting seat 8, and the counter-force mechanism mounting seat 8 is fixed on a base 9. After the landslide model box 2 is placed in the freeze-thaw cycle box 1, the landslide model box 2 is connected with the horizontal loading upright post 6 through the assembling and disassembling sleeve 7, and force loading is achieved. After the experiment is completed, the loading and unloading sleeve can be removed so that the landslide model box 2 can be easily lifted out of the freeze-thaw cycle box 1 by the loading and unloading assembly 10 described below.
A monitoring system is arranged in the landslide model box 2 and used for detecting a series of data values generated after a sample slides, and meanwhile, the monitoring system is also connected with a data analysis system which acquires data of the monitoring system and displays the acquired data on a display screen. The data analysis system is a model TZT60 static signal test analysis system.
The monitoring system comprises a soil moisture monitoring system, a soil water potential sensor, a displacement meter, an embedded inclinometer and a collecting instrument. The model of the soil moisture monitoring system is TEROS 12, the soil water potential sensor is an in-situ soil water potential sensor TEROS 21, and the displacement meter is a pull-wire upper type displacement meter.
The landslide model box 2 is provided with a loading and unloading assembly 10, and the loading and unloading assembly 10 is used for realizing the hoisting of the landslide model box 2 at any position in an operation area. As shown in fig. 2, the loading and unloading assembly 10 includes a traveling crane frame 11 and a traveling crane rail 12 mounted on the traveling crane frame 11, a cross rod 13 is movably disposed on the traveling crane rail 12, the cross rod 13 is connected with a driving motor 14, and a hoisting electric hoist 15 is mounted on the cross rod 13. The driving motor 14 drives the cross bar 13 to move along the running rail 12, and at this time, the hoisting electric hoist 15 on the cross bar 13 also moves along with the movement of the cross bar 13. And the hoisting electric hoist 15 is connected with the landslide model box 2 to realize the hoisting of the landslide model box 2.
The freezing and thawing circulation box 1 is connected with a freezing and thawing circulation assembly 5, and the freezing and thawing circulation assembly 5 is used for simulating freezing and thawing in natural environment. The freezing and thawing circulation assembly 5 comprises a refrigerating device and a heating device, the refrigerating device is connected with a refrigerating pipe 16, the other end of the refrigerating pipe 16 is connected with the freezing and thawing circulation box 1, and a water pump 18 is arranged on the refrigerating pipe 16. The heating device is connected with a heating pipe 17, the other end of the heating pipe 17 is connected with the freeze-thaw circulating box 1, and a circulating pump 19 is further arranged on the heating pipe 17. The inside temperature sensor that still installs of freeze-thaw circulation case 1, temperature sensor are used for perception freeze-thaw circulation case 1 inside temperature. After the maintained sample is placed in the freeze-thaw cycle box 1, the refrigerating device starts to refrigerate, and the water pump 18 circulates the cold energy generated by the refrigerating device into the freeze-thaw cycle box 1 to enable the temperature of the sample to reach a refrigerating set value; when the temperature sensor senses that the temperature in the freezing-thawing circulation box 1 reaches a refrigeration set value, the heating state is entered, the circulating pump 19 circulates the heat generated by the heating device into the freezing-thawing circulation box 1, and when the temperature reaches the heating set value, the refrigerating state is entered, and the process is repeated in this way and is circulated for many times.
The working principle and the process are as follows: the utility model realizes the loading of force by a horizontal loading counterforce mechanism 4, and the loaded force acts on a sample slope body in a landslide model box 2 to realize the landslide simulation of the sample; meanwhile, the freeze-thaw circulation component 5 connected with the freeze-thaw circulation box 1 realizes the simulation of freeze thawing in the environment through multiple cycles of refrigeration and heating, the simulation of freeze-thaw landslide instability is realized through the combination of the freeze-thaw circulation component and the freeze-thaw circulation box, and the safety and the motion range of the landslide in a freeze-thaw area are obtained through a monitoring system and a data analysis system, so that the whole process of the freeze-thaw landslide is clearly and visually analyzed.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (8)
1. A freeze thawing landslide simulation device which characterized in that: the device comprises a freeze-thaw cycle box and a landslide model box arranged in the freeze-thaw cycle box;
a push plate is arranged on the side wall of the landslide model box, the push plate corresponds to the top end of a sample slope body in the landslide model box, and the push plate is also connected with a horizontal loading counter-force mechanism; a monitoring system is arranged in the landslide model box and connected with a data analysis system;
the freeze-thaw circulation box is connected with a freeze-thaw circulation assembly.
2. A freeze-thaw landslide simulation apparatus according to claim 1, wherein: horizontal loading counter-force mechanism includes horizontal loading stand and installs the cover of installing and removing on horizontal loading stand, the one end of horizontal loading stand can be dismantled with the push pedal through installing and removing the cover and be connected, and the other end runs through the freeze-thaw cycle case and is connected with the counter-force mechanism mount pad, the counter-force mechanism mount pad is fixed on the base.
3. A freeze-thaw landslide simulation apparatus according to claim 1, wherein: the landslide model box is configured with a loading and unloading assembly.
4. A freeze-thaw landslide simulation apparatus according to claim 3, wherein: the loading and unloading assembly comprises a travelling crane frame and a travelling crane rail arranged on the travelling crane frame, wherein a cross rod is movably arranged on the travelling crane rail and is connected with a driving motor, and a hoisting electric hoist is arranged on the cross rod.
5. A freeze-thaw landslide simulation apparatus according to claim 1, wherein: the monitoring system comprises a soil moisture monitoring system, a soil water potential sensor, a displacement meter, an embedded inclinometer and a collecting instrument.
6. A freeze-thaw landslide simulation apparatus according to claim 1, wherein: the freezing and thawing circulation assembly comprises a refrigerating device and a heating device, the refrigerating device is connected with a refrigerating pipe, the refrigerating pipe is connected with a freezing and thawing circulation box, the heating device is connected with a heating pipe, and the heating pipe is connected with the freezing and thawing circulation box.
7. A freeze-thaw landslide simulation apparatus according to claim 6, wherein: the refrigerating pipe is provided with a water pump, and the heating pipe is provided with a circulating pump.
8. A freeze-thaw landslide simulation apparatus according to claim 7, wherein: and a temperature sensor is arranged in the freeze-thaw circulation box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221811293.8U CN217359889U (en) | 2022-07-14 | 2022-07-14 | Freezing and thawing landslide simulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221811293.8U CN217359889U (en) | 2022-07-14 | 2022-07-14 | Freezing and thawing landslide simulation device |
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| CN217359889U true CN217359889U (en) | 2022-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792180A (en) * | 2022-11-29 | 2023-03-14 | 长江大学 | Freezing and thawing inducing slope landslide simulating device |
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2022
- 2022-07-14 CN CN202221811293.8U patent/CN217359889U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792180A (en) * | 2022-11-29 | 2023-03-14 | 长江大学 | Freezing and thawing inducing slope landslide simulating device |
| CN115792180B (en) * | 2022-11-29 | 2023-10-27 | 长江大学 | Simulation device for freeze thawing induced slope landslide |
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