CN209975598U - Multifunctional side slope model test device - Google Patents
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- CN209975598U CN209975598U CN201920626705.2U CN201920626705U CN209975598U CN 209975598 U CN209975598 U CN 209975598U CN 201920626705 U CN201920626705 U CN 201920626705U CN 209975598 U CN209975598 U CN 209975598U
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Abstract
The utility model discloses a multifunctional side slope model test device, which belongs to the technical field of civil engineering construction, and comprises a model box, a sensor system, a rainfall simulation system, a temperature control system and a vibration loading system, wherein the model box is a hollow box body with an open top, and a side slope body is arranged inside the model box; the measuring element of the sensor system is arranged in the slope body; the temperature control system comprises a heating device and a refrigerating device which are respectively arranged at the top and the bottom of the slope body and used for simulating freezing and hot weather; a spraying assembly of the rainfall simulation system is arranged above the slope body, and a water outlet is arranged on the side wall of the model box; the loading assembly of the vibration loading system is arranged above the top of the side slope body and used for simulating the vibration load of a train on the roadbed side slope, the rainfall simulation system can simulate the dry-wet cycle environment of the side slope, the deformation condition of the side slope under the coupling action of vibration load, dry-wet cycle and freeze-thaw cycle is monitored in real time, and the vibration loading system has important significance for the research on the deformation and damage of the side slope.
Description
Technical Field
The utility model belongs to the technical field of civil engineering construction, especially, relate to a multi-functional side slope model test device.
Background
The slope stability has important significance for the safe operation of railways, and the model test of the slope provides an intuitive and effective method for the research of the slope stability. The vibration load of the train and the slope environment both have great influence on the stability of the slope. The existing slope body testing device is single in means, the simulation engineering is simple, and the deformation and damage conditions of the slope under the condition of single influence factors of vibration load, dry-wet cycle or freeze-thaw cycle can only be researched. At present, no test device for researching deformation and damage of the side slope under the coupling action of the vibration load, the dry-wet cycle and the freeze-thaw cycle exists. Therefore, the multifunctional slope body testing device has important research significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional side slope model test device can the analysis in the deformation destruction of vibration load, dry and wet circulation and freeze thawing cycle coupling effect lower side slope, aims at solving the current side slope body test device means singleness among the above-mentioned prior art, the comparatively brief technical problem of simulation engineering.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a multifunctional side slope model test device comprises a model box, a sensor system, a rainfall simulation system, a temperature control system and a vibration loading system, wherein the model box is a hollow box body with an upper opening, and a side slope body for simulating a real side slope state is arranged in the model box; the measuring element of the sensor system is arranged in the slope and on the surface of the slope; the temperature control system comprises a heating device and a refrigerating device which are respectively arranged at the top and the bottom of the slope body; the spraying assembly of the rainfall simulation system is arranged above the slope body, and a water outlet is formed in the side wall of the model box; and the loading assembly of the vibration loading system is arranged above the top of the slope body and is used for carrying out vibration loading on the top of the slope body.
Preferably, the model box comprises a bottom plate, a front vertical plate, a rear vertical plate and two side plates, the front vertical plate, the rear vertical plate and the two side plates are assembled into a hollow rectangular frame, and the bottom edges of the front vertical plate, the rear vertical plate and the two side plates are fixed on the periphery of the bottom plate; the longitudinal section of the side slope body is in a right trapezoid shape, and the water outlet is formed in the side plates at two ends of the bottom of the slope of the side slope body.
Preferably, the vibration loading system comprises a fixed support, a loading assembly and a loading controller for controlling the load and the frequency loaded by the vibration loader, the loading assembly comprises the vibration loader and a bearing plate, two ends of the fixed support are fixedly connected with the inner walls of two side plates, the bearing plate is contacted with a foundation plane at the top of the slope body, the vibration loader is vertically arranged between the fixed support and the bearing plate, and two ends of the vibration loader are respectively connected with the fixed support and the bearing plate; the vibration loader is electrically connected with the loading controller through a lead.
Preferably, the fixed support and the bearing plate are both horizontally arranged, a metal lantern ring is sleeved outside the middle of the fixed support, the top of the metal lantern ring is fastened on the fixed support through a screw, and the top of the vibration loader is connected with the metal lantern ring through a bolt pair.
Preferably, the sensor system comprises a sensor fixing frame, a measuring element and an acquisition terminal, wherein the measuring element comprises a temperature and humidity sensor and a displacement sensor, the temperature and humidity sensor is embedded in a soil body of the side slope body, and the displacement sensor is vertically arranged and is in contact with the slope surface of the side slope body; the temperature and humidity sensor and the displacement sensor are connected with the acquisition terminal through leads; the sensor fixing frame is arranged above the slope body, and the lead frame connected with the temperature and humidity sensor and the displacement sensor is arranged on the sensor fixing frame.
Preferably, the rainfall simulation system comprises a pressure water tank, a water delivery conduit, a flowmeter, a flow control valve and a spraying assembly, wherein the spraying assembly comprises a spraying pipe and a plurality of nozzles, the pressure water tank is arranged outside the model box, a water outlet of the pressure water tank is connected with the spraying pipe through the water delivery conduit, and the plurality of nozzles are arranged on the lower side surface of the spraying pipe at intervals; the flow meter and the flow control valve are arranged on the water delivery conduit.
Preferably, the shower is two, and the interval sets up, and two showers set up in the preceding riser of mold box and the top of back riser, and be on a parallel with two curb plates, and the one end of two showers all communicates with water delivery pipe is parallelly connected, and the equipartition is equipped with a plurality of nozzle on the downside of two showers.
Preferably, the refrigerating device comprises a refrigerating pipe, a compressor and a condensing pipe, the refrigerating pipe is arranged in a bottom plate of the model box, one end of the refrigerating pipe is connected with the compressor, the other end of the refrigerating pipe is connected with the condensing pipe, and the compressor is connected with the condensing pipe in a sealing mode.
Preferably, the refrigeration pipes are uniformly distributed in the bottom plate in an S shape.
Preferably, the heating device comprises a lamp holder and bulbs, the lamp holder is arranged at the top of the model box, the bulbs are uniformly distributed on the lamp holder, and the bulbs are connected with the power supply through wires. The infrared quartz heating bulb has a hollow lamp holder, and a lead wire connected with the bulb is arranged in the lamp holder
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model simulates the vibration load of the train to the road base side slope through the vibration loading system, simulates the freezing and hot weather by utilizing the temperature control system, simulates the dry-wet cycle environment of the side slope by the rainfall simulation system, and simultaneously realizes the analysis of the deformation and the damage of the side slope under the coupling action of the vibration load, the dry-wet cycle and the freezing-thawing cycle by the sensor system; the utility model discloses simple structure, convenient operation can effectively carry out model research to the side slope deformation damage under vibration load, dry-wet cycle and the freeze thawing cycle effect to carry out real-time supervision to the side slope damage deformation condition, have important meaning to the research of side slope deformation destruction.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the position of a sensor system and a vibration loading system and a slope body in a model box according to an embodiment of the present invention;
FIG. 2 is a schematic view of the vibration loader of FIG. 1 engaged with a bearing plate;
FIG. 3 is a schematic structural diagram of a rainfall simulation system according to the present invention;
fig. 4 is a schematic structural diagram of a refrigerating device in the present invention;
fig. 5 is a schematic structural diagram of a heating device according to the present invention;
in the figure: 1-a model box; 2-a sensor mount; 3-a bottom plate; 4-rear vertical plate; 5-front vertical plates; 6-side plate; 7-side slope body; 8-a water outlet; 9-fixing a bracket; 10-a metal collar; 11-a vibration loader; 12-a pressure bearing plate; 13-loading a controller; 14-a wire; 15-temperature and humidity sensor; 16-a displacement sensor; 17-collecting the terminal; 18-a pressurized water tank; 19-a water delivery conduit; 20-a flow meter; 21-a flow control valve; 22-a spray pipe; 23-a nozzle; 24-a refrigeration pipe; 25-a compressor; 26-a condenser tube; 27-a lamp holder; 28-bulb.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanying drawings and detailed description of embodiments of the present invention are described in detail, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the multifunctional slope model testing device provided by the present invention will now be described. The multifunctional side slope model test device comprises a model box 1, a sensor system, a rainfall simulation system, a temperature control system and a vibration loading system, wherein the model box 1 is a hollow box body with an upper opening, and a side slope body 7 for simulating a real side slope state is arranged in the model box 1; the measuring elements of the sensor system are arranged in and on the surface of the ramp body 7; the temperature control system comprises a heating device and a refrigerating device which are respectively arranged at the top and the bottom of the slope body 7; the spraying assembly of the rainfall simulation system is arranged above the slope body 7, and a water outlet 8 is arranged on the side wall of the model box 1; and a loading assembly of the vibration loading system is arranged above the top of the side slope body 7 and is used for carrying out vibration loading on the top of the side slope body 7.
In a specific embodiment of the present invention, as shown in fig. 1, the mold box 1 includes a bottom plate 3, a front vertical plate 5, a rear vertical plate 4 and two side plates 6, the front vertical plate 5, the rear vertical plate 4 and the two side plates 6 are assembled into a hollow rectangular frame, and the bottom edges of the front vertical plate 5, the rear vertical plate 4 and the two side plates 6 are fixed around the bottom plate 3. The side plate 6 is connected with the front vertical plate 5, the side plate 6 is connected with the rear vertical plate 4, and the bottom plate 3 is connected with the rear vertical plate 4, the front vertical plate 5 and the side plate 6 through welding. The longitudinal section of the side slope body 7 is a right trapezoid and is used for simulating a real side slope state; the water outlet 8 is arranged on the side plates 6 at two ends of the slope bottom of the slope body 7. Two water outlets 8 are symmetrically arranged on the side plate 6, and the water outlets 8 are arranged at the junctions of the side plate 6, the bottom plate 3 and the front vertical plate 5 and used for simulating side slope drainage. The model box can be made of organic glass material.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, the vibration loading system includes a fixing bracket 9, a loading assembly and a loading controller 13 for controlling the load and frequency loaded by the vibration loader 11, the loading assembly includes a vibration loader 11 and a bearing plate 12, two ends of the fixing bracket 9 are welded to the inner walls of the two side plates 6, the bearing plate 12 contacts with the ground plane at the top of the slope body 7, the vibration loader 11 is vertically disposed between the fixing bracket 9 and the bearing plate 12, two ends of the vibration loader 11 are respectively connected to the fixing bracket 9 and the bearing plate 12; the vibration loader 11 is electrically connected with the loading controller 13 through a lead 14.
In order to simulate and apply a vibration load to a slope body, the fixed support 9 and the bearing plate 12 are both horizontally arranged, a metal lantern ring 10 is sleeved outside the middle of the fixed support 9, the top of the metal lantern ring 10 is fastened on the fixed support 9 through a screw, and the top of the vibration loader 11 is connected with the metal lantern ring 10 through a bolt pair and used for moving and fixing the vibration loader 11. The middle part of the fixed support is connected with the vibration loader 11 through a metal lantern ring 10, and counterforce is provided for loading of the vibration loader 11.
When the vibration loading system is installed, the metal lantern ring 10 is sleeved into the metal rod of the fixed support 9, the upper end of the metal lantern ring 10 is provided with a hole and is screwed with a screw, the position of the vibration loader 11 can be fixed by screwing the screw and propping against the fixed support 9, and the position of the vibration loader 11 can be adjusted along the fixed support 9 by unscrewing the screw; the upper end of the vibration loader 11 is connected with the metal lantern ring 10 through a bolt pair, the lower end of the vibration loader is in contact with the bearing plate 12 and is used for applying load to the bearing plate 12, the vibration loader 11 is connected with the load controller 13 through a lead 14, and the vibration loader 11 is a PYZ hydraulic pulse fatigue testing machine actuator of the Minn Kaider brand; the top surface of the slope body is used as a foundation plane, the bearing plate 12 is directly contacted with the foundation plane, and the upper end of the bearing plate is used for bearing the vibration loader 11 and uniformly distributing the load of the vibration loader 11 on the foundation plane; the loading controller 13 is located outside the slope body 7, is connected with the vibration loader 11 through a lead 14, and is used for controlling the load and the frequency loaded by the vibration loader 11.
In a specific embodiment of the present invention, as shown in fig. 1, the sensor system includes a sensor fixing frame 2, a measuring element and an acquisition terminal 17, the measuring element includes a temperature and humidity sensor 15 and a displacement sensor 16, the temperature and humidity sensor 15 is buried in the soil of the slope body 7 for detecting the temperature and humidity of the slope body 7; the displacement sensor 16 is vertically arranged, is in contact with the slope surface of the slope body 7, and is used for detecting the displacement deformation of the slope body 7; the temperature and humidity sensor 15 and the displacement sensor 16 are connected with the acquisition terminal 17 through leads, and the acquisition terminal 17 is used for receiving and storing data information detected by the temperature and humidity sensor and the displacement sensor. The sensor fixing frame 2 is arranged above the slope body 7, and a lead 14 connected with a temperature and humidity sensor 15 and a displacement sensor 16 is erected on the sensor fixing frame 2. The sensor fixing frames 2 are two and are respectively fixed on the inner walls of the two side plates 6, and the sensor fixing frames 2 are arranged in parallel to the slope of the side slope 7. The temperature and humidity sensor 15 is a black soil temperature and humidity sensor of HSTL-TR05YY of Huazhixing industry brand. The sensor fixing frame 2 is welded on the inner wall of the side plate 6, is uniformly distributed above the side slope body 7 in parallel to the inclined surface of the side slope body 7, and is used for fixing the displacement sensor 16.
In a preferred embodiment of the present invention, as shown in fig. 3, the rainfall simulation system comprises a pressure water tank 18, a water delivery conduit 19, a flow meter 20, a flow control valve 21 and a spraying assembly, wherein the spraying assembly comprises a spraying pipe 22 and a plurality of nozzles 23, the pressure water tank 18 is arranged outside the model box 1, a water outlet of the pressure water tank 18 is connected with the spraying pipe 22 through the water delivery conduit 19, and the plurality of nozzles 23 are arranged on the lower side surface of the spraying pipe 22 at intervals; the flowmeter 20 and the flow control valve 21 are arranged on the water delivery conduit 19, the flowmeter 20 and the flow control valve 21 are arranged in a front-back mode, the flowmeter 20 is used for monitoring and displaying the current precipitation flow, and the flow control valve 21 is used for controlling the precipitation flow. The pressure water tank 18 is a household 304 stainless steel towerless water supply device with the model of the number of the thunderstorm, and provides pressure water for a rainfall simulation system.
Further optimize above-mentioned technical scheme, as shown in fig. 3, shower 22 is two, and the interval sets up, and two shower 22 set up in the preceding riser 5 of mold box 1 and the top of back riser 4, and be on a parallel with two curb plates 6, and the one end of two shower 22 all is parallelly connected with water delivery pipe 9 and is communicate, and the equipartition is equipped with a plurality of nozzle 23 on the downside of two shower 22. The pressure water in the pressure water tank is sprayed out from a plurality of nozzles through the water delivery guide pipe and the two spray pipes, and the sprayed precipitation can uniformly cover the surface of the whole slope body and is used for simulating uniform precipitation.
The freezing weather is simulated by a refrigerating device, as shown in fig. 4, the refrigerating device comprises a refrigerating pipe 24, a compressor 25 and a condensing pipe 26, and the refrigerating pipe 24, the compressor 25 and the condensing pipe 26 form a refrigerating cycle system for refrigerating the slope body 7. The refrigerating pipe 24 is arranged in the bottom plate 3 of the model box 1, one end of the refrigerating pipe 24 is connected with the compressor 25, the other end of the refrigerating pipe is connected with the condensing pipe 26, the compressor 25 is hermetically connected with the condensing pipe 26, and the refrigerating pipe 24 and the compressor jointly act as the slope body 7 for refrigerating. Wherein, the compressor 25 is an LJ111XY1 compressor 25 with the model number of east Bei brand. The refrigeration pipes 24 are uniformly distributed in the bottom plate 3 in an S shape and used for uniformly refrigerating the side slope 7.
The hot weather is simulated through a heating device, as shown in fig. 5, the heating device comprises a lamp holder 27 and bulbs 28, the lamp holder 27 is arranged at the top of the model box 1, the bulbs 28 are uniformly distributed on the lamp holder 27, and the bulbs 28 are connected with a power supply through wires. The lamp holder is positioned above the spray pipe and used for supporting the infrared quartz heating lamp bulb; the lamp holder is a hollow tube, and the infrared quartz heating bulb is connected with a power supply through a lead inside the lamp holder and used for heating the slope body.
The multifunctional slope model test device is used for testing, and specifically comprises the following steps:
(a) according to the actual conditions of engineering, a slope body model is built in the model box 1, in the process, temperature and humidity sensors 15 are uniformly embedded in a slope body 7, a displacement sensor 16 is vertically arranged on the sensor fixing frame 2, the lower end of the displacement sensor abuts against the surface of the slope body 7, and the temperature and humidity sensors and the displacement sensor are connected with an acquisition terminal 17 through a lead 14. A bearing plate 12 is arranged on the upper surface of a roadbed at the top of a slope body, the bearing plate 12 is connected with a vibration loader 11, the vibration loader 11 is fixedly connected with a metal lantern ring 10, the metal lantern ring 10 is adjusted along a fixing support 9, the vibration loader 11 is adjusted to a proper position, a screw at the upper end of the metal lantern ring 10 is screwed, the position of the vibration loader 11 is fixed, and the vibration loader 11 is connected with a vibration controller through a lead 14. Closing the flow control valve 21, connecting the flow control valve 21 with one end of the water delivery conduit 19, and connecting the other end of the water delivery conduit 19 with the water outlet of the pressure water tank 18; the infrared quartz heating bulb 28 is connected to a power source.
(b) And opening the acquisition terminal 17, debugging the temperature and humidity sensors and the displacement sensors, observing whether the display values of the sensors are normal or not, and starting to monitor the temperature, the humidity and the displacement of the side slope body in real time.
(c) And adjusting the loading controller 13 according to the actual engineering situation, and selecting proper frequency and load size to load the slope body 7.
(d) According to the test scheme, the rainfall process is simulated. The method comprises the following steps: opening the flow control valve 21, simulating rainfall by a rainfall simulation system, observing the flowmeter 20, adjusting the flow control valve 21 according to the required rainfall to change the flow, observing the humidity of the side slope body 7 displayed in the acquisition system, and closing the flow control valve 21 to finish rainfall when the humidity of the side slope body 7 meets the requirements of the test scheme.
(e) The freezing process was simulated according to the test protocol. The method comprises the following steps: and (3) opening the refrigeration system, simulating freezing weather, observing the temperature of the side slope body 7 displayed in the acquisition system, and closing the refrigeration system to finish the freezing simulation process when the temperature of the side slope body 7 meets the requirements of the test scheme.
(f) According to the test protocol, the temperature rise process is simulated. The method comprises the following steps: and opening the heating system, simulating hot weather, observing the temperature of the side slope body 7 displayed in the acquisition system, and closing the heating system to finish the heating simulation process when the temperature of the side slope body 7 meets the requirements of the test scheme.
(g) Step d ~ f was cycled multiple times to simulate a wet-dry cycle and a freeze-thaw cycle.
(h) After the experiment is completed, the information collected by the collecting terminal 17 is stored, the power supply is turned off, the conducting wires 14 of all the parts are pulled out, all the parts are recovered and placed to the original positions, and the next use is waited.
(i) The influence factors of the slope stability are analyzed through the information collected by the collecting terminal 17.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the one described herein, and those skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed above.
Claims (10)
1. The utility model provides a multi-functional side slope model test device which characterized in that: the device comprises a model box, a sensor system, a rainfall simulation system, a temperature control system and a vibration loading system, wherein the model box is a hollow box body with an opening at the upper part, and a slope body for simulating a real slope state is arranged in the model box; the measuring element of the sensor system is arranged in the slope and on the surface of the slope; the temperature control system comprises a heating device and a refrigerating device which are respectively arranged at the top and the bottom of the slope body; the spraying assembly of the rainfall simulation system is arranged above the slope body, and a water outlet is formed in the side wall of the model box; and the loading assembly of the vibration loading system is arranged above the top of the slope body and is used for carrying out vibration loading on the top of the slope body.
2. The multifunctional side slope model test device of claim 1, wherein: the model box comprises a bottom plate, a front vertical plate, a rear vertical plate and two side plates, wherein the front vertical plate, the rear vertical plate and the two side plates are assembled into a hollow rectangular frame, and the bottom edges of the front vertical plate, the rear vertical plate and the two side plates are fixed on the periphery of the bottom plate; the longitudinal section of the side slope body is in a right trapezoid shape, and the water outlet is formed in the side plates at two ends of the bottom of the slope of the side slope body.
3. The multifunctional side slope model test device of claim 2, wherein: the vibration loading system comprises a fixed support, a loading assembly and a loading controller for controlling the load and the frequency loaded by the vibration loader, the loading assembly comprises the vibration loader and a bearing plate, two ends of the fixed support are fixedly connected with the inner walls of two side plates, the bearing plate is contacted with a foundation plane at the top of a slope body, the vibration loader is vertically arranged between the fixed support and the bearing plate, and two ends of the vibration loader are respectively connected with the fixed support and the bearing plate; the vibration loader is electrically connected with the loading controller through a lead.
4. The multifunctional side slope model test device of claim 3, wherein: the vibration loading device comprises a fixed support, a bearing plate, a metal lantern ring, a bolt pair and a vibration loader, wherein the fixed support and the bearing plate are horizontally arranged, the middle of the fixed support is sleeved with the metal lantern ring, the top of the metal lantern ring is fastened on the fixed support through the bolt, and the top of the vibration loader is connected with the metal lantern ring through the bolt pair.
5. The multifunctional side slope model test device of claim 2, wherein: the sensor system comprises a sensor fixing frame, a measuring element and an acquisition terminal, wherein the measuring element comprises a temperature and humidity sensor and a displacement sensor, the temperature and humidity sensor is embedded in a soil body of a side slope body, and the displacement sensor is vertically arranged and is in contact with the slope surface of the side slope body; the temperature and humidity sensor and the displacement sensor are connected with the acquisition terminal through leads; the sensor fixing frame is arranged above the slope body, and the lead frame connected with the temperature and humidity sensor and the displacement sensor is arranged on the sensor fixing frame.
6. The multifunctional side slope model test device of claim 2, wherein: the rainfall simulation system comprises a pressure water tank, a water delivery conduit, a flowmeter, a flow control valve and a spraying assembly, wherein the spraying assembly comprises a spraying pipe and a plurality of nozzles; the flow meter and the flow control valve are arranged on the water delivery conduit.
7. The multifunctional slope model testing device of claim 6, characterized in that: the shower is two, and the interval sets up, and two showers set up in the preceding riser of mold box and the top of back riser, and be on a parallel with two curb plates, and the one end of two showers all communicates with water delivery pipe is parallelly connected, and the equipartition is equipped with a plurality of nozzle on the downside of two showers.
8. The multifunctional side slope model test device according to any one of claims 2 to 7, wherein: the refrigerating device comprises a refrigerating pipe, a compressor and a condensing pipe, wherein the refrigerating pipe is arranged in a bottom plate of the model box, one end of the refrigerating pipe is connected with the compressor, the other end of the refrigerating pipe is connected with the condensing pipe, and the compressor is connected with the condensing pipe in a sealing mode.
9. The multifunctional side slope model test device of claim 8, wherein: the refrigeration pipes are uniformly distributed in the bottom plate in an S shape.
10. The multifunctional side slope model test device of claim 8, wherein: the heating device comprises a lamp holder and bulbs, the lamp holder is arranged at the top of the model box, the bulbs are uniformly distributed on the lamp holder, and the bulbs are connected with a power supply through wires.
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| CN111551331A (en) * | 2020-05-21 | 2020-08-18 | 重庆大学 | Multifunctional device and method for side slope vibrating table model test |
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| CN113447363A (en) * | 2021-06-18 | 2021-09-28 | 哈尔滨工业大学（深圳） | Rainfall type landslide model test device and method capable of achieving equivalent slope height |
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| CN111551331A (en) * | 2020-05-21 | 2020-08-18 | 重庆大学 | Multifunctional device and method for side slope vibrating table model test |
| CN112505297A (en) * | 2020-11-23 | 2021-03-16 | 中建八局第一建设有限公司 | Roadbed environment monitoring platform manufacturing method and environment monitoring platform |
| CN112229591A (en) * | 2020-11-30 | 2021-01-15 | 西南交通大学 | Device and method for monitoring stability of rock-soil mass under dry-wet cycle and earthquake coupling |
| CN112730136A (en) * | 2020-12-24 | 2021-04-30 | 黄河勘测规划设计研究院有限公司 | Freezing-thawing deformation indoor test system for dam slope of silt dam under freezing-thawing circulation effect |
| CN112730136B (en) * | 2020-12-24 | 2023-08-18 | 黄河勘测规划设计研究院有限公司 | Freezing-thawing deformation indoor test system for dam slope of silt land dam under freezing-thawing circulation effect |
| CN113447363A (en) * | 2021-06-18 | 2021-09-28 | 哈尔滨工业大学（深圳） | Rainfall type landslide model test device and method capable of achieving equivalent slope height |
| CN113567497B (en) * | 2021-07-27 | 2022-09-13 | 中国地质大学（武汉） | Test device and test method for simulating deformation and damage of ice edge type frozen soil slope |
| CN113567497A (en) * | 2021-07-27 | 2021-10-29 | 中国地质大学（武汉） | Test device and test method for simulating deformation and damage of ice edge type frozen soil slope |
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| CN113671155B (en) * | 2021-08-24 | 2023-02-17 | 上海交通大学 | Side slope rock-soil body electrical parameter spatial and temporal evolution test system and method |
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| CN114428098A (en) * | 2021-12-03 | 2022-05-03 | 兰州交通大学 | Model test system for freeze-thaw cycle test |
| CN114200086B (en) * | 2021-12-07 | 2022-09-23 | 徐州中矿岩土技术股份有限公司 | High-simulation energy-saving environment-friendly test device and method for slope greening |
| CN114200086A (en) * | 2021-12-07 | 2022-03-18 | 徐州中矿岩土技术股份有限公司 | High-simulation energy-saving environment-friendly test device and method for slope greening |
| CN115494223A (en) * | 2022-11-07 | 2022-12-20 | 北京科技大学 | Test system and method for simulating freeze-thaw activation catastrophe of mining fault in cold region |
| CN116399723A (en) * | 2023-06-08 | 2023-07-07 | 成都理工大学 | Test system and method for simulating slope in alpine region under multi-environment factor coupling |
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