CN112557286B - Slope test system - Google Patents
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- CN112557286B CN112557286B CN201910914023.6A CN201910914023A CN112557286B CN 112557286 B CN112557286 B CN 112557286B CN 201910914023 A CN201910914023 A CN 201910914023A CN 112557286 B CN112557286 B CN 112557286B
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000001125 extrusion Methods 0.000 claims abstract description 43
- 238000012806 monitoring device Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000001556 precipitation Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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Abstract
The invention relates to the field of geological disaster simulation tests, in particular to a side slope test system.A groove is formed in one side of the bottom of a transparent box body, which is close to an extrusion device, a water outlet is formed in the side wall of the transparent box body, which corresponds to the groove, and a hose with holes is preset in a side slope model and used for simulating the seepage state of the side slope model; the rainfall device is used for simulating a rainfall state, and the vibration device is used for enabling the slope model to vibrate; the extruding device and the vibrating device are oppositely arranged on the other side of the transparent box body, and the extruding device is used for transversely extruding the side slope model so as to change the cohesive force of the side slope model; the monitoring device monitors the side slope model in an image acquisition mode, processes and analyzes image information, can adjust the adhesive force of the side slope model and the vibration strength of the side slope model according to test requirements, and tests the side slope model under the conditions of vibration, rainfall, high humidity and seepage.
Description
Technical Field
The invention relates to the field of geological disaster simulation tests, in particular to a side slope test system.
Background
In various natural disasters, landslide and debris flow cause serious loss, side slopes are arranged on the sides of mountain traffic roads, river bed dams and mine holes, and the side slopes are prone to landslide and debris flow under vibration and rainfall conditions.
The existing side slope test system can only test a prefabricated side slope model, the structural strength of the side slope model cannot be changed, and the side slope test has certain limitation.
Disclosure of Invention
The invention aims to provide a slope testing system which can adjust the adhesive force of a slope model and the vibration strength of the slope model according to the testing requirement and test the slope model under the conditions of vibration, rainfall, high humidity and seepage.
The embodiment of the invention is realized by the following steps:
a slope testing system comprising:
the side slope model is internally pre-embedded with a hose with holes, and the hose is used for simulating side slope seepage;
the transparent box body is used for accommodating the side slope model, and scale grids are arranged on the periphery of the transparent box body;
the rainfall device is used for spraying water or mist to the transparent box body in a controllable and quantitative mode so as to simulate a rainfall or plum rain state;
the vibrating device is arranged on any one side of the transparent box body in the horizontal direction and is used for enabling the side slope model to vibrate so as to simulate a vibration state;
the extruding device and the vibrating device are oppositely arranged on the other side of the transparent box body, and the extruding device is used for transversely extruding the slope model to change the cohesive force of the slope model so as to generate prepressing on the slope model;
the monitoring device is arranged outside the transparent box body, monitors the slope model in an image acquisition mode, and processes and analyzes image information;
the rainfall device firstly carries out rainfall, the extrusion device transversely extrudes the side slope model, after extrusion reaches preset time, the adhesion force of the side slope model reaches preset adhesion force, the extrusion is stopped on the side slope model, the vibration device is started, the side slope model is stressed and vibrated, and the side slope model is tested by combining rainfall, vibration and the coupling condition of side slope model seepage.
Further, in an embodiment of the present invention, a groove is formed at a side of the bottom of the transparent box body close to the extruding device, and a drain opening is formed in a side wall of the transparent box body corresponding to the groove.
Further, in an embodiment of the present invention, the rainfall device includes a water storage tank, and a rainfall pipe set and a water return pipe set respectively communicated with the water storage tank;
the precipitation nest of tubes be used for to water spray in the transparent box, the return water nest of tubes with the inside intercommunication of transparent box, the return water nest of tubes be used for with ponding in the transparent box is retrieved extremely the storage water tank.
Further, in an embodiment of the present invention, the precipitation pipe set includes a precipitation pipe and a plurality of spray heads connected to the precipitation pipe, the precipitation pipe is communicated with the water storage tank, and the plurality of spray heads are disposed above the transparent box.
Further, in an embodiment of the present invention, the precipitation pipe is provided with a pressure pump and a servo flow proportional valve, and the servo flow proportional valve is used for limiting the water flow in the precipitation pipe so as to change the precipitation intensity.
Further, in an embodiment of the present invention, the water returning pipe set includes a water returning pipe and a water returning pump disposed on the water returning pipe;
the water return pipe is used for communicating one end of the transparent box body and is provided with a filter.
Further, in an embodiment of the present invention, the vibration device includes a servo actuator and an actuating plate, wherein the servo actuator is connected to the actuating plate;
the actuating plate is connected with the transparent box body through the guide column, and the actuating plate is vertically arranged in the transparent box body.
Further, in an embodiment of the present invention, the pressing device includes a pressing plate and a driver, and the driver is connected to the pressing plate and can drive the pressing plate to move horizontally toward the vibrating device.
Further, in an embodiment of the present invention, the driver is a linear motion structure, and the pressing plate is provided with a pressure sensor to detect a pressing force applied to the slope model.
Further, in an embodiment of the present invention, the monitoring device includes a high-speed camera, a speckle image monitor, and a data processor, the high-speed camera and the speckle image monitor are respectively electrically connected to the data processor, and the data processor is configured to process and analyze image information transmitted by the high-speed camera and the speckle image monitor.
Further, in an embodiment of the present invention, the monitoring device includes a high-speed camera, a speckle image monitor, and a data processor, the high-speed camera and the speckle image monitor are respectively electrically connected to the data processor, and the data processor is configured to process and analyze image information transmitted by the high-speed camera and the speckle image monitor.
The embodiment of the invention has the beneficial effects that:
testing the slope model by combining the coupling conditions of rainfall, vibration and slope model seepage, monitoring the slope model in an image acquisition mode, processing and analyzing image information, acquiring test data information of the slope model, and improving the stability and scientificity of the slope test; the vibrating device can change the vibration strength that the side slope model received, and extrusion device can adjust the structural strength of side slope model according to the demand, can adjust the cohesiveness of side slope model according to the demand through extrusion device before experimental or experimental, improves the experimental flexibility of side slope model, adapts to changeable natural environment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is another schematic structural diagram according to an embodiment of the present invention.
10-transparent box body; 20-a rainfall device; 30-a vibration device; 40-an extrusion device; 50-a monitoring device; 60-side slope model; 70-a base;
110-a reservoir; 120-a drain outlet;
310-a servo actuator; 320-actuating plate; 330-guide post; 340-a support base;
410-a driver; 420-an extrusion plate; 430-a hydraulic control system;
510-a high speed camera; 520-a data processor; 530-speckle image monitor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, the present embodiment provides a slope testing system, which includes a transparent box 10, a rainfall device 20, a vibration device 30, an extrusion device 40, and a monitoring device 50, wherein the transparent box 10 is used for accommodating a slope model 60, the top of the transparent box 10 is an open structure, a groove 110 is formed in one side of the bottom of the transparent box 10 close to the extrusion device 40, a water outlet 120 is formed in the side wall of the transparent box 10 corresponding to the groove 110, a scale grid is arranged on the side surface of the transparent box 10, and the scale grid facilitates quantitative measurement of the two-dimensional area of the landslide body on the slope model 60. The rainfall device 20 sprays water into the transparent box body 10 from the top of the transparent box body 10 to simulate a rainfall environment; the vibrating device 30 and the extruding device 40 are oppositely arranged at two sides of the transparent box body 10 in the horizontal direction, the vibrating device 30 is used for enabling the slope model 60 to vibrate and simulate a vibration environment, and the extruding device 40 is used for transversely extruding the slope model 60 so as to change the soil cohesive force of the slope model 60. The monitoring device 50 is arranged outside the transparent box body 10, the monitoring device 50 is arranged between the vibrating device 30 and the extruding device 40, the monitoring device 50 faces the transparent box body 10, the monitoring device 50 monitors the side slope model 60 in an image acquisition mode, processes and analyzes image information, and obtains the physical and mechanical properties of the side slope model 60 under the vibration rainfall seepage coupling condition.
The method for testing by adopting the slope testing system in the embodiment comprises the following steps:
configuring a slope model 60 according to a required proportion;
placing the slope model 60 in the transparent box body 10 to enable the front side of the slope model 60 to face the extrusion device 40 and the rear side of the slope model 60 to face the vibration device 30;
according to the test detection requirement, the rainfall device 20 firstly carries out rainfall, and meanwhile the extrusion device 40 transversely extrudes the side slope model 60 so as to adjust the cohesive force of the side slope model 60;
when the adhesion force of the side slope model 60 reaches the preset adhesion force, stopping extruding the side slope model 60, and starting the vibration device 30 to make the side slope model 60 vibrate under stress to simulate a vibration environment;
the monitoring device 50 monitors the slope model 60 by means of image acquisition, processes and analyzes image information, and obtains the physical and mechanical properties of the slope under the rainfall vibration coupling condition.
In this embodiment, the extrusion device 40 and the vibration device 30 are arranged oppositely, in the precipitation process, the extrusion device 40 transversely extrudes the slope model 60, performs static loading on the slope model 60, changes the cohesive force of the slope model 60, tests the slope model 60 by combining the coupling conditions of rainfall, vibration and the seepage of the slope model 60, and the monitoring device 50 monitors the slope model 60 in an image acquisition manner and processes and analyzes image information; the stability and the scientificity of the slope test are improved; the vibration device 30 can change the vibration strength of the side slope model 60, and the extrusion device 40 can adjust the structural strength of the side slope model 60 according to the test requirements, so that the flexibility of the side slope test is improved, and the side slope test is suitable for variable natural environments.
Example 2
Referring to fig. 2, the present embodiment provides a slope testing system, which includes a transparent box 10, a rainfall device 20, a vibration device 30, an extrusion device 40, a monitoring device 50, and a base 70, wherein the top of the transparent box 10 has an opening structure, the rainfall device 20 includes a water storage tank, and a rainfall pipe set and a water return pipe set respectively communicated with the water storage tank, the rainfall pipe set includes a pressure pump, a servo flow proportional valve, a rainfall pipe and a plurality of nozzles connected with the rainfall pipe, and the water return pipe set includes a water return pipe and a water return pump communicated with the water return pipe; the vibration device 30 includes a servo actuator 310, an actuating plate 320, a guide post 330 and a support 340; the extrusion device 40 comprises a driver 410, an extrusion plate 420 and a hydraulic control system 430, the monitoring device 50 is arranged outside the transparent box body 10, the monitoring device 50 comprises a high-speed camera 510, a speckle image monitor 530 and a data processor 520, and the high-speed camera 510 and the speckle image monitor 530 are respectively electrically connected with the data processor 520.
On transparent box 10 installation was fixed in the mount pad, transparent box 10 can set up to the cuboid structure, and extrusion device 40 and vibrating device 30 all set up the both ends at transparent box 10 length direction. The storage water tank is used for depositing water, and downcomer intercommunication storage water tank, downcomer extend to set up in transparent box 10 top, and a plurality of shower nozzles are at transparent box 10 top orientation transparent box 10 water spray, the rainfall environment of simulation. The pressure pump and the servo flow proportional valve are respectively arranged on the precipitation pipe, the pressure pump is provided with a plurality of gears, the water outlet pressure of the spray head can be changed by adjusting the gears of the pressure pump, the opening and closing degree of the servo flow proportional valve is adjusted, and the water flow in the precipitation pipe can be controlled, so that the precipitation intensity is adjusted, and the actual rainfall variable condition is really simulated. The both ends of wet return communicate with storage water tank and transparent box 10 respectively, and the return pump sets up on the wet return, and the return pump provides circulation power for rivers in the wet return, and the one end that transparent box 10 was connected to the wet return is provided with the filter, and the water inlet and the outlet 120 intercommunication of filter, the filter can filter earth and the impurity of aquatic, and the water of slope model 60 seepage flow and the water recovery in the transparent box 10 to the storage water tank is managed to the return water. Under the rainfall simulation state, the water outlet 120 is closed, water is stored in the transparent box body 10, the water level in the transparent box body 10 is controlled by opening and closing the water outlet 120, and the influence of reservoir water level change on the stability of the slope toe is simulated.
The base 70 is provided with a supporting seat 340, the servo actuator 310 is fixedly connected with the supporting seat 340, the actuating plate 320 and the extrusion plate 420 are vertically arranged in the transparent box body 10, the actuating plate 320 and the extrusion plate 420 are arranged in parallel, the actuating plate 320 is arranged at one end of the length direction of the transparent box body 10, the extrusion plate 420 is arranged at the other end of the length direction of the transparent box body 10, the actuating plate 320 and the extrusion plate 420 are both in rectangular plate-shaped structures, four corner edges of the actuating plate 320, which are back to one side of the extrusion plate 420, are respectively connected with a guide column 330, the guide columns 330 transversely extend and penetrate through the transparent box body 10, the guide columns 330 can be used for fixing the actuating plate 320, the actuating plate 320 is prevented from inclining, the servo actuator 310 is connected with the middle part of the actuating plate 320, and the vibration transmission uniformity of the actuating plate 320 is ensured. The driver 410 is a linear motion structure and can drive the extrusion plate 420 to reciprocate in the transparent box body 10, in this embodiment, the driver 410 can adopt a hydraulic cylinder, four corner edges of the extrusion plate 420, which are opposite to one side of the actuating plate 320, are respectively and correspondingly provided with a hydraulic cylinder, a main body of the hydraulic cylinder is positioned outside the transparent box body 10, and a cylinder rod penetrates through the transparent box body 10 and is connected with the extrusion plate 420. The pressing surface of the pressing plate 420 is provided with a pressure sensor for detecting the pressing force applied to the slope model 60. The hydraulic cylinder is connected with a hydraulic control system 430, and the work of the hydraulic cylinder can be controlled through the hydraulic control system 430.
The high-speed camera 510 and the speckle image monitor 530 are arranged between the actuating plate 320 and the extrusion plate 420, the high-speed camera 510 and the speckle image detector 530 face the transparent box body 10, the direction of the monitoring device 50 is perpendicular to the moving direction of the slope model 60 when the slope slides, the high-speed camera 510 records dynamic image information in the test process of the slope model 60 in a video acquisition mode to realize continuous measurement of the deformation and the two-dimensional moving track of the slope model, the speckle image monitor 530 monitors the two-dimensional strain of the slope model in an image acquisition mode, the data processor 520 processes and analyzes the image information acquired by the high-speed camera 510 and the speckle image monitor 530, the data processor 520 can generate curve change according to the image information, and the data processor 520 is connected with a display to display the slope change curve through the display.
The test parameters can be set as follows:
the vibration device 30: the vibration frequency range of the servo actuator 310 is 0.01-30Hz, the maximum dynamic test force is +/-50 KN, and the maximum displacement of the actuating plate 320 is +/-75 mm;
the pressing device 40: the maximum static experimental force of hydraulic loading is 50KN, and the maximum moving stroke of the extrusion plate 420 is 1000mm
The rainfall device 20: the rainfall device 20 can adopt a PLC automatic control system, and can simulate the environments of heavy rain, medium rain, light rain and the like by controlling a pressure pump and a servo flow proportional valve.
Configuring a side slope model 60 according to a required proportion, wherein a plurality of hoses with holes are arranged in the side slope model 60 and used for simulating side slope seepage;
placing the slope model 60 in the transparent box body 10 to enable the front side of the slope model 60 to face the extrusion device 40 and the rear side of the slope model 60 to face the vibration device 30;
according to the test detection requirement of the bonding force of the side slope model 60, the bonding force of the surface breaking model is adjusted through the extruding device 40; the rainfall device 20 performs rainfall, meanwhile, the extrusion device 40 transversely extrudes the slope model 60, and when the extrusion plate 420 reaches the preset extrusion force, the extrusion state is maintained for the preset time so as to adjust the cohesive force of the slope model 60;
when the extrusion time reaches the preset time, the adhesion force of the side slope model 60 reaches the preset adhesion force, the extrusion of the side slope model 60 is stopped, and the vibration device 30 is started to make the side slope model 60 vibrate under stress to simulate a vibration environment;
the monitoring device 50 monitors the slope model 60 by means of image acquisition, processes and analyzes image information, and obtains the physical and mechanical properties of the slope under the rainfall vibration coupling condition.
In summary, the present disclosure provides a slope testing system under vibration, rainfall and seepage coupling conditions, wherein a vibration device 30 and an extrusion device 40 are disposed in a box, the vibration device 30 can be disposed on any one side of the transparent box 10 in the horizontal direction or at the bottom of the transparent box 10, the extrusion device 40 is disposed horizontally relative to the transparent box 10, and a slope foot of a slope model 60 faces the extrusion device 40. Before the experiment, the cohesive force of the side slope model 60 can be changed according to the requirement, the flexibility of the experiment is improved, the high-speed camera 510 and the speckle image monitor 530 can monitor the side slope model 60 in an image acquisition mode, and the experiment change process of the side slope model is recorded in the whole process, so that the physical and mechanical properties of the side slope model 60 under the vibration rainfall seepage coupling condition are obtained.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A side slope testing system, comprising:
the side slope model is internally pre-embedded with a hose with holes, and the hose is used for simulating side slope seepage;
the transparent box body is used for accommodating the side slope model, and scale grids are arranged on the periphery of the transparent box body;
the rainfall device is used for spraying water or mist to the transparent box body in a controllable and quantitative mode so as to simulate a rainfall or plum rain state;
the vibrating device is arranged on any one side of the transparent box body in the horizontal direction and is used for enabling the side slope model to vibrate so as to simulate a vibration state;
the extruding device and the vibrating device are oppositely arranged on the other side of the transparent box body, and the extruding device is used for transversely extruding the slope model to change the cohesive force of the slope model so as to generate prepressing on the slope model;
the monitoring device is arranged outside the transparent box body, monitors the slope model in an image acquisition mode, and processes and analyzes image information;
the rainfall device firstly carries out rainfall, the extrusion device transversely extrudes the side slope model, after extrusion reaches preset time, the adhesion force of the side slope model reaches preset adhesion force, the extrusion is stopped on the side slope model, the vibration device is started, the side slope model is stressed and vibrated, and the side slope model is tested by combining rainfall, vibration and the coupling condition of side slope model seepage.
2. The slope testing system according to claim 1, wherein a groove is formed in one side of the bottom of the transparent box body close to the extrusion device, and a water outlet is formed in the side wall of the transparent box body corresponding to the groove.
3. The slope testing system according to claim 1, wherein the rainfall device comprises a water storage tank, and a rainfall pipe set and a water return pipe set which are respectively communicated with the water storage tank;
the precipitation nest of tubes be used for to water spray in the transparent box, the return water nest of tubes with the inside intercommunication of transparent box, the return water nest of tubes be used for with ponding in the transparent box is retrieved extremely the storage water tank.
4. The slope testing system according to claim 3, wherein the precipitation pipe set comprises a precipitation pipe and a plurality of spray heads connected with the precipitation pipe, the precipitation pipe is communicated with the water storage tank, and the plurality of spray heads are arranged above the transparent box body.
5. The slope testing system according to claim 4, wherein the precipitation tube is provided with a pressure pump and a servo flow proportional valve for limiting the flow of water within the precipitation tube to vary the precipitation intensity.
6. The slope testing system according to claim 3, wherein the water return pipe set comprises a water return pipe and a water return pump arranged on the water return pipe;
the water return pipe is used for communicating one end of the transparent box body and is provided with a filter.
7. The slope testing system according to claim 1, wherein the vibration device comprises a servo actuator and an actuating plate, the servo actuator being connected to the actuating plate;
the actuating plate is connected with the transparent box body through the guide column, and the actuating plate is vertically arranged in the transparent box body.
8. The slope testing system according to claim 1, wherein the pressing device comprises a pressing plate and a driver, and the driver is connected with the pressing plate and can drive the pressing plate to move horizontally towards the vibrating device.
9. The slope testing system according to claim 8, wherein the driver is a linear motion structure, and the pressing plate is provided with a pressure sensor to detect the pressing force applied to the slope model.
10. The slope testing system according to claim 1, wherein the monitoring device comprises a high-speed camera, a speckle image monitor and a data processor, the high-speed camera and the speckle image monitor are electrically connected to the data processor respectively, and the data processor is configured to process and analyze image information transmitted by the high-speed camera and the speckle image monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914023.6A CN112557286B (en) | 2019-09-25 | 2019-09-25 | Slope test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914023.6A CN112557286B (en) | 2019-09-25 | 2019-09-25 | Slope test system |
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| CN107144682A (en) * | 2017-05-24 | 2017-09-08 | 黑龙江科技大学 | Simulate the experimental rig and method of earthquake and the influence of rainfall Upon Slope Stability |
| CN207457227U (en) * | 2017-11-21 | 2018-06-05 | 三峡大学 | Rainfall earthquake couples Analysis of Slope Stability experimental provision |
| CN109283317A (en) * | 2018-10-23 | 2019-01-29 | 昆明理工大学 | Open-pit slope deformation testing device and method under a kind of indoor simulation condition of raining |
| CN109991081A (en) * | 2019-03-27 | 2019-07-09 | 中国矿业大学(北京) | Pin-connected panel side slope horizontal addload experimental rig |
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| CN104634945A (en) * | 2015-02-05 | 2015-05-20 | 中国矿业大学(北京) | Side slope rainfall simulation testing apparatus |
| CN105510558A (en) * | 2016-01-28 | 2016-04-20 | 同济大学 | Simulation testing device used for simulating karst collapse caused by underground vibration of karst terrain |
| CN206096121U (en) * | 2016-09-06 | 2017-04-12 | 山西省交通科学研究院 | Visual test device that dry -wet cycle side slope was destroyed under simulation vibratory action |
| CN107144682A (en) * | 2017-05-24 | 2017-09-08 | 黑龙江科技大学 | Simulate the experimental rig and method of earthquake and the influence of rainfall Upon Slope Stability |
| CN207457227U (en) * | 2017-11-21 | 2018-06-05 | 三峡大学 | Rainfall earthquake couples Analysis of Slope Stability experimental provision |
| CN109283317A (en) * | 2018-10-23 | 2019-01-29 | 昆明理工大学 | Open-pit slope deformation testing device and method under a kind of indoor simulation condition of raining |
| CN109991081A (en) * | 2019-03-27 | 2019-07-09 | 中国矿业大学(北京) | Pin-connected panel side slope horizontal addload experimental rig |
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