CN114965949B - Ecological rock-soil mechanical slope protection test device under rainfall simulation condition - Google Patents
Ecological rock-soil mechanical slope protection test device under rainfall simulation condition Download PDFInfo
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Abstract
The invention discloses an ecological rock-soil mechanical slope protection test device under a simulated rainfall condition, and belongs to the technical field of rock-soil mechanical slope protection tests. An ecological geotechnical mechanics slope protection test device under rainfall simulation condition, includes: base, screw pump body, a plurality of joint boards, reducing gear box, shower nozzle, motor and test platform. The test platform comprises a flat plate and a plurality of fixing columns, wherein the upper ends of the fixing columns are fixedly connected with the lower ends of the flat plate, the lower ends of the fixing shafts are fixedly connected with the upper surface of the base, the upper ends of the flat plate are fixedly connected with a plurality of first rotating supports, the first rotating supports are uniformly distributed along one side edge of the upper surface of the flat plate, and a first rotating shaft is rotatably connected between every two supports. The invention provides a plurality of groups of comparison according to the change of the slope protection angle under the condition of meeting the condition of no change of other conditions, has wide angle adjustment range and high accuracy, and provides better guarantee for the accuracy of test results.
Description
Technical Field
The invention belongs to the technical field of rock-soil mechanical slope protection tests, and particularly relates to an ecological rock-soil mechanical slope protection test device under a simulated rainfall condition.
Background
The slope protection refers to the collective name of various paving and planting on the slope surface for preventing the slope from being washed. The river reach where the bridge site is located is flushed by water flow year by year, so that the river bank is continuously collapsed. In order to protect bridge and embankment, a protective building is built on the concave bank. In addition, when the river bank is washed to endanger farmlands and villages due to the change of the river water flow direction caused by bridge establishment, a protective building is also required to be built on the river bank.
The slope protection function can be divided into two kinds: the slope protector is only a slope protector resistant to wind and scouring, does not bear lateral soil pressure, such as a spray soil slope protection, a grid plant slope protection, a plant slope protection and the like, and is only suitable for a gentle and stable slope without sliding. And (II) providing anti-slip force for retaining slope protection.
The water and soil loss is generated by destroying and losing water and soil resources and land productivity, and causes huge damage to ecological environment, especially to side slopes, so that the stability of the side slopes is reduced, serious geological disasters such as landslide, landslide and debris flow are caused, serious consequences are caused, rainfall is the greatest influence on the water and soil loss, and the water and soil loss is better prevented by an ecological rock mechanical slope protection test under the condition of simulated rainfall.
In the prior art, in the test about the influence of slope protection angle on the ability of slope protection to withstand rain erosion under the condition of simulating rainfall, it is difficult to accurately provide test control groups with different angles, and the accuracy of the control groups has great influence on the accuracy of test results because the control groups are not high in accuracy.
Disclosure of Invention
The invention aims to provide an ecological rock-soil mechanical slope protection test device under a simulated rainfall condition.
The aim of the invention can be achieved by the following technical scheme:
an ecological geotechnical mechanics slope protection test device under rainfall simulation condition, includes: base, screw pump body, a plurality of joint boards, reducing gear box, shower nozzle, motor and test platform. The test platform comprises a flat plate and a plurality of fixed columns, wherein the upper ends of the fixed columns are fixedly connected with the lower ends of the flat plate, the lower ends of the fixed shafts are fixedly connected with the upper surface of the base, the upper ends of the flat plate are fixedly connected with a plurality of first rotating brackets, the plurality of first rotating brackets are uniformly distributed along one side edge of the upper surface of the flat plate, a first rotating shaft is rotationally connected between every two brackets, a plurality of penetrating grooves are formed in the flat plate in a one-to-one correspondence manner after the first rotating, a plurality of sliding blocks are respectively embedded in each penetrating groove and are in sliding connection with the penetrating grooves, a plurality of hydraulic cylinders respectively penetrate through each sliding block in the vertical direction, the outer side walls of the hydraulic cylinders are fixedly connected with the sliding blocks, a plurality of first plungers are respectively in sliding connection with the inner wall of each hydraulic cylinder, the upper ends of the first plungers are in rolling connection with ball wheels, one ends of the bearing plates are respectively fixedly connected with each first rotating shaft, the lower surfaces of the bearing plates are provided with first ball wheels, the first ball wheels are embedded in the first ball grooves, and the first ball bearing grooves are embedded in the first ball grooves, and the first ball grooves are embedded in the first ball grooves; the lower ends of the hydraulic oil cylinders are respectively provided with a hydraulic oil pipe, and the hydraulic oil pipes are in through connection with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base, a transmission shaft is connected to the output end of the electric connector in a transmission manner, a second rotating support is arranged and fixedly connected with the base, the transmission shaft penetrates through the second rotating support and is in rotating connection with the second rotating support, a connecting rod is arranged and is in rotating connection with the second rotating support, the rotating axis of the connecting rod coincides with the axis of the transmission shaft, a through hole is formed in the upper end of the connecting rod, the axis of the through hole is parallel to the axis of the transmission shaft, a worm penetrates through the through hole and is in rotating connection with the connecting rod, a first driven wheel is coaxially and fixedly connected to one end of the worm, a driving wheel is coaxially and fixedly connected to one end of the transmission shaft, and the driving wheel is in transmission connection with the driving wheel through a belt;
one side of worm is equipped with the worm wheel, when the connecting rod is in vertical state, the worm wheel with the worm meshing, the one end coaxial fixedly connected with second pivot of worm wheel, the one end of second pivot with the input rotation of reducing gear box is connected, the output transmission of reducing gear box is connected with the third pivot, the other end coaxial fixedly connected with first carousel of third pivot, first carousel with keep away from one side of reducing gear box through spherical hinge link with hydraulic oil pipe the same quantity's second plunger, the second plunger is along first carousel edge all with the distribution, base upper end fixedly connected with third initiative support is equipped with the second carousel with third rotation support rotates to be connected, the second carousel with the crossing non-collineation of axis of first carousel, the second carousel terminal surface is opened there is a plurality of through-holes, the through-hole is embedded fixedly with a plurality of second hydraulic cylinder, the one end of second hydraulic cylinder with second plunger sliding connection, the other end of second hydraulic cylinder with the hydraulic oil pipe that link up.
Further, one end of the sliding block, which is close to the first rotating bracket, is provided with a compression spring, one end of the compression spring is fixedly connected with the inner wall of one side, which is close to the first rotating bracket, of the through groove, and the other end of the compression spring is fixedly connected with the sliding block; the side wall of the flat plate is provided with a plurality of threaded holes which penetrate through, screws are arranged to be in threaded connection with the threaded holes, and the tail of each screw is attached to one end of the sliding block, which is far away from the compression spring. The screw can be rotated inwards or outwards to control the position of the sliding block in the through groove, and the compression spring plays a role in fixing, so that the condition that the screw rotates due to unintentional touching of the screw is not easy to occur, namely the stability of the sliding block after adjustment is improved.
Further, one end of the transmission shaft is in transmission connection with the input end of the screw pump body, a water storage tank is arranged and fixedly connected with the base, the water inlet end of the screw body is in through connection with the water storage tank, the water outlet end of the screw pump body is in through connection with a water delivery pipe, and the other end of the water delivery pipe is fixedly connected with a square spray head.
Further, the lower end face of the spray head is parallel to the plate face of the flat plate, the projection of the lower end face of the spray head on the plate face of the flat plate completely covers the plate face of the flat plate, and the test slope protection on all the bearing plates in the test is guaranteed to be under the same rainfall condition.
Further, the upper end fixedly connected with effluent water sump of base, the effluent water sump is located be close to on the base the one end of first pivot, just the pond mouth of effluent water sump is equipped with the swash plate, the one end fixed connection of swash plate the pond mouth, the other end fixed connection of swash plate the dull and stereotyped be close to on the lateral wall of first pivot.
Further, a plurality of semicircular protractors are fixedly arranged at the upper end of the flat plate, the plurality of protractors are respectively distributed between every two supporting plates, the connector is fixedly connected with the flat plate, pointers are fixedly arranged on the side walls, close to the two foot devices, of the supporting plates, and the pointers are attached to the surfaces of the protractors.
Further, the nail head end of the screw is fixedly connected with a rotating handle.
Further, scales are arranged at the notch of the through groove.
Further, the lower end of the base is provided with a plurality of brake casters.
The invention has the beneficial effects that:
the invention provides a plurality of groups of comparison according to the change of the slope protection angle under the condition of meeting the condition of no change of other conditions, has wide angle adjustment range and high accuracy, and provides better guarantee for the accuracy of test results.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the partial structure of the present invention at B in FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic view of a partial structure of the worm gear of the present invention when engaged;
FIG. 5 is a schematic view of a partial structure of the worm gear of the present invention when the worm gear is disengaged;
the components corresponding to the reference numerals in the figures are as follows:
1. a spray head; 2. an angle gauge; 3. a first rotating shaft; 4. a sewage pool; 5. braking casters; 6. a base; 7. a flat plate; 8. a water storage tank; 9. a screw pump body; 10. a water pipe; 11. a through groove; 12. a receiving plate; 13. a second plunger; 14. a second hydraulic cylinder; 15. a hydraulic oil pipe; 16. a first plunger; 17. a first hydraulic cylinder; 18. a slide block; 19. a screw; 20. rotating the handle; 21. a second turntable; 22. a driving wheel; 23. a belt; 24. driven wheel; 25. a reduction gearbox; 26. a third rotating shaft; 27. a first turntable; 28. a third rotating bracket; 29. a second rotating shaft; 30. a worm wheel; 31. a worm; 32. a connecting rod; 33. and a second rotating bracket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 4, an ecological geotechnical mechanical slope protection test device under a simulated rainfall condition comprises: base 6, screw pump body 9, a plurality of joint boards 12, reducing gear box 25, shower nozzle 1, motor and test platform. The test platform comprises a flat plate 7 and a plurality of fixed columns, wherein the upper ends of the fixed columns are fixedly connected with the lower ends of the flat plate 7, the lower ends of the fixed shafts are fixedly connected with the upper surface of the base 6, the upper ends of the flat plate 7 are fixedly connected with a plurality of first rotating brackets, the plurality of first rotating brackets are uniformly distributed along one side edge of the upper surface of the flat plate 7, a first rotating shaft 3 is rotationally connected between every two brackets, a plurality of penetrating grooves 11 are formed in the flat plate 7 in one-to-one correspondence with the first rotating shafts, a plurality of sliding blocks are respectively embedded in each penetrating groove 11 and are in sliding connection with the penetrating grooves 11, a plurality of hydraulic cylinders are respectively penetrated through each sliding block in the vertical direction, the outer side walls of the hydraulic cylinders are fixedly connected with the sliding blocks, a plurality of first plungers 16 are respectively in sliding connection with the inner walls of each hydraulic cylinder, the upper ends of the first plungers 16 are in rolling connection with ball wheels, one ends of a plurality of bearing plates 12 are respectively in sliding connection with each first rotating shaft 3, the lower surfaces of the bearing plates are provided with first ball wheels 12, the first bearing plates are respectively embedded in the first rotating shafts, and the first bearing plates are provided with first grooves 12 are respectively embedded in the first rotating shafts, and the first bearing plates are respectively; the lower ends of the hydraulic oil cylinders are respectively provided with a hydraulic oil pipe 15, and the hydraulic oil pipes 15 are in through connection with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base 6, a transmission shaft is connected to the output end of the motor in a transmission manner, a second rotating support 33 is arranged and fixedly connected with the base 6, the transmission shaft penetrates through the second rotating support 33 and is in rotating connection with the second rotating support 33, a connecting rod 32 is arranged and is in rotating connection with the second rotating support 33, the rotating axis of the connecting rod 32 coincides with the axis of the transmission shaft, a through hole is formed in the upper end of the connecting rod 32, the axis of the through hole is parallel to the axis of the transmission shaft, a worm 31 penetrates through the through hole and is in rotating connection with the connecting rod 32, a first driven wheel 24 is coaxially and fixedly connected to one end of the worm 31, a driving wheel 22 is coaxially and fixedly connected to one end of the transmission shaft, and the driving wheel 22 are in transmission connection through a belt 23;
one side of worm 31 is equipped with worm wheel 30, when connecting rod 32 is in the vertical state, worm wheel 30 with worm 31 meshing, the one end coaxial fixedly connected with second pivot 29 of worm wheel 30, the one end of second pivot 29 with the input of reducing gear box 25 rotates to be connected, the output transmission of reducing gear box 25 is connected with third pivot 26, the other end coaxial fixedly connected with first carousel 27 of third pivot 26, first carousel 27 with keep away from one side of reducing gear box 25 through ball hinge have with hydraulic oil pipe 15 the same quantity second plunger 13, second plunger 13 is along first carousel 27 edge all with the distribution, base 6 upper end fixedly connected with third initiative support is equipped with the second carousel with third rotation support 28 rotates to be connected, the second carousel with the axis of first carousel 27 intersects non-collineatly, the second carousel terminal surface is opened and is had a plurality of perforation, the downthehole fixedly embedded a plurality of second hydraulic cylinders 14, the second plunger 13 with the other end of hydraulic oil pipe 15 is connected with the hydraulic oil cylinder 14 in a sliding way.
Further, a compression spring is arranged at one end of the sliding block, which is close to the first rotating bracket, one end of the compression spring is fixedly connected with the inner wall of one side, which is close to the first rotating bracket, of the through groove 11, and the other end of the compression spring is fixedly connected with the sliding block; the lateral wall of flat board 7 is opened there is a plurality of screw holes that run through, be equipped with the screw with screw threaded connection of screw hole, the nail tail of screw with the slider is kept away from compression spring's one end laminating. The screw can be rotated inwards or outwards to control the position of the sliding block in the through groove 11, and the compression spring plays a role in fixing, so that the condition that the screw rotates due to unintentional touching of the screw is not easy to occur, namely the stability of the sliding block after adjustment is improved. The closer the sliding block is to the first rotating support, the larger the inclination angle of the bearing plate 12 is, and the inclination angle range of the test slope protection of the control group is greatly increased in cooperation with the angle adjustment of the hydraulic device.
Further, one end of the transmission shaft is in transmission connection with the input end of the screw pump body 9, a water storage tank 8 is arranged and fixedly connected with the base 6, the water inlet end of the screw body is in through connection with the water storage tank 8, the water outlet end of the screw pump body 9 is in through connection with a water pipe 10, and the other end of the water pipe 10 is fixedly connected with a square spray head 1.
Further, the lower end face of the spray head 1 is parallel to the plate face of the flat plate 7, and the projection of the lower end face of the spray head 1 on the plate face of the flat plate 7 completely covers the plate face of the flat plate 7, so that the test slope protection on all the bearing plates 12 in the test is ensured to be under the same rainfall condition.
Further, the upper end fixedly connected with effluent water sump 4 of base 6, effluent water sump 4 is located be close to on the base 6 the one end of first pivot 3, just the pond mouth of effluent water sump 4 is equipped with the swash plate, the one end fixed connection of swash plate the pond mouth, the other end fixed connection of swash plate dull and stereotyped 7 is close to on the lateral wall of first pivot 3. The sewage tank 4 is convenient for cleaning the device of the invention on one hand, and on the other hand, is convenient for collecting and comparing the pH value of rainfall before and after passing through the test slope protection, so as to judge the erosion condition of the rainfall to the test slope protection.
Further, a plurality of semicircular protractors 2 are fixedly arranged at the upper end of the flat plate 7, the plurality of protractors 2 are respectively distributed between every two supporting plates 12, the connector is fixedly connected with the flat plate 7, pointers are fixedly arranged on the side walls, close to the two feet, of the supporting plates 12, and the pointers are attached to the surfaces of the protractors 2. The angle of experimental bank protection is convenient for accurately adjusting.
Further, the head end of the screw is fixedly connected with a rotating handle, so that the screw can be manually rotated without other tools.
Further, scales are arranged at the notch of the through groove 11, so that accurate recording during adjustment is facilitated.
Further, the lower end of the base 6 is provided with a plurality of brake casters 5, so that the device has higher maneuverability and is convenient for transferring the device.
The specific operation principle is as follows: and a plurality of test revetments are respectively placed in the second groove of each bearing plate 12, the screws are turned towards the direction according to the requirement, the positions of the sliding blocks are controlled to control the positions of the first hydraulic cylinder and the first plunger 16, the angle change interval of the test revetments of the bearing plate 12 machine is subjected to preliminary macroscopic adjustment, and then the electric joint is opened to simulate rainfall, so that a first group of tests are carried out. Then with new experimental bank protection, manual control connecting rod 32 makes worm wheel 30 with worm 31 meshing, with worm 31 fixed connection's second pivot 29 rotates along with worm wheel 30, through the speed reduction transmission of reducing gear box 25, the slow rotation of third pivot 26 drives first carousel 27 and rotates, has the inclined shaft structure that intersects non-coincidence with first carousel 27 and second dish axis, a plurality of second plungers 13 can be different degree by the promotion in the second hydraulic cylinder 14, through the transport of hydraulic oil pipe 15, hydraulic oil gets into first hydro-cylinder in different degrees, further promotes first plunger 16 and goes upward for the inclination of accepting plate 12 and experimental bank protection changes, and after the angle is suitable, rotates connecting rod 32 makes worm wheel 30 and worm 31 break away from the meshing, thereby carries out the second group experiment. Namely, in the experiment, only the angles are required to be adjusted one by one in sequence, and other secondary angles are required to be changed, and only the driving piece which is the same as the screw pump body 9 is required to drive and adjust, so that the test efficiency is greatly improved under the condition that a plurality of groups of tests are required to be completed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (9)
1. Ecological geotechnical mechanics bank protection test device under rainfall simulation condition, its characterized in that includes: the device comprises a base, a screw pump body, a plurality of bearing plates, a reduction gearbox, a spray head, a motor and a test platform;
the test platform comprises a flat plate and a plurality of fixed columns, wherein the upper ends of the fixed columns are fixedly connected with the lower ends of the flat plate, the lower ends of the fixed shafts are fixedly connected with the upper surface of the base, the upper ends of the flat plate are fixedly connected with a plurality of first rotating brackets, the plurality of first rotating brackets are uniformly distributed along one side edge of the upper surface of the flat plate, a first rotating shaft is rotationally connected between every two brackets, a plurality of penetrating grooves are formed in the flat plate in a one-to-one correspondence manner after the first rotating, a plurality of sliding blocks are respectively embedded in each penetrating groove and are in sliding connection with the penetrating grooves, a plurality of hydraulic cylinders respectively penetrate through each sliding block in the vertical direction, the outer side walls of the hydraulic cylinders are fixedly connected with the sliding blocks, a plurality of first plungers are respectively in sliding connection with the inner wall of each hydraulic cylinder, the upper ends of the first plungers are in rolling connection with ball wheels, one ends of the bearing plates are respectively fixedly connected with each first rotating shaft, the lower surfaces of the bearing plates are provided with first ball wheels, the first ball wheels are embedded in the first ball grooves, and the first ball bearing grooves are embedded in the first ball grooves, and the first ball grooves are embedded in the first ball grooves; the lower ends of the hydraulic oil cylinders are respectively provided with a hydraulic oil pipe, and the hydraulic oil pipes are in through connection with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base, a transmission shaft is connected to the output end of the electric connector in a transmission manner, a second rotating support is arranged and fixedly connected with the base, the transmission shaft penetrates through the second rotating support and is in rotating connection with the second rotating support, a connecting rod is arranged and is in rotating connection with the second rotating support, the rotating axis of the connecting rod coincides with the axis of the transmission shaft, a through hole is formed in the upper end of the connecting rod, the axis of the through hole is parallel to the axis of the transmission shaft, a worm penetrates through the through hole and is in rotating connection with the connecting rod, a first driven wheel is coaxially and fixedly connected to one end of the worm, a driving wheel is coaxially and fixedly connected to one end of the transmission shaft, and the driving wheel is in transmission connection with the driving wheel through a belt;
one side of worm is equipped with the worm wheel, when the connecting rod is in vertical state, the worm wheel with the worm meshing, the one end coaxial fixedly connected with second pivot of worm wheel, the one end of second pivot with the input rotation of reducing gear box is connected, the output transmission of reducing gear box is connected with the third pivot, the other end coaxial fixedly connected with first carousel of third pivot, first carousel with keep away from one side of reducing gear box through spherical hinge link with hydraulic oil pipe the same quantity's second plunger, the second plunger is along first carousel edge all with the distribution, base upper end fixedly connected with third initiative support is equipped with the second carousel with third rotation support rotates to be connected, the second carousel with the crossing non-collineation of axis of first carousel, the second carousel terminal surface is opened there is a plurality of through-holes, the through-hole is embedded fixedly with a plurality of second hydraulic cylinder, the one end of second hydraulic cylinder with second plunger sliding connection, the other end of second hydraulic cylinder with the hydraulic oil pipe that link up.
2. The ecological geotechnical mechanical slope protection test device under the simulated rainfall condition according to claim 1, wherein one end of the sliding block, which is close to the first rotating bracket, is provided with a compression spring, one end of the compression spring is fixedly connected with the inner wall of one side, which is close to the first rotating bracket, of the through groove, and the other end of the compression spring is fixedly connected with the sliding block; the side wall of the flat plate is provided with a plurality of threaded holes which penetrate through, screws are arranged to be in threaded connection with the threaded holes, and the tail of each screw is attached to one end of the sliding block, which is far away from the compression spring.
3. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 1, wherein one end of the transmission shaft is in transmission connection with the input end of the screw pump body, a water storage tank is fixedly connected with the base, the water inlet end of the screw body is in through connection with the water storage tank, the water outlet end of the screw pump body is in through connection with a water pipe, and the other end of the water pipe is fixedly connected with a square spray head.
4. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 3, wherein the lower end face of the spray head is parallel to the plate face of the flat plate, and the projection of the lower end face of the spray head on the plate face of the flat plate completely covers the plate face of the flat plate.
5. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 1, wherein the upper end of the base is fixedly connected with a sewage tank, the sewage tank is positioned at one end, close to the first rotating shaft, of the base, an inclined plate is arranged at a tank opening of the sewage tank, one end of the inclined plate is fixedly connected with the tank opening, and the other end of the inclined plate is fixedly connected with the side wall, close to the first rotating shaft, of the flat plate.
6. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 1, wherein a plurality of semicircular protractors are fixedly arranged at the upper end of the flat plate, the plurality of protractors are respectively distributed between every two supporting plates, the connector is fixedly connected with the flat plate, pointers are fixedly arranged on the side walls, close to the two supporting plates, of the supporting plates, and the pointers are attached to the surfaces of the protractors.
7. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 2, wherein the nail head end of the screw is fixedly connected with a rotating handle.
8. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 1, wherein scales are arranged at the notch of the through groove.
9. The device for testing the slope protection of the ecological geotechnical mechanics under the condition of simulating rainfall according to claim 1, wherein a plurality of brake casters are arranged at the lower end of the base.
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| CN108303328A (en) * | 2018-04-28 | 2018-07-20 | 四川大学 | The rock mechanics response test system of simulation deep ground complex environment |
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| Title |
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| 生态护坡条件下坡角对边坡产流产沙规律影响的试验研究;陈亿军;孙可明;赵颖;;水资源与水工程学报(04);全文 * |
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