CN213233571U - Model test device for influence of slide-resistant piles on slope stability on stratified rock mass - Google Patents

Abstract

The utility model provides an friction pile influences side slope stability model test device on stratiform rock mass, belong to stratiform rock mass analogue test technical field, the power distribution box comprises a box body, tamp application of force mechanism, cut slope plastic mechanism, the friction pile is laid and slip casting mechanism and monitoring mechanism, experimental simulation material places bottom and becomes the slope type in the box, tamp application of force mechanism tamps simulation material, lay the experimental model of the range upon range of form of slope type with simulation material, experimental model through cutting slope plastic mechanism cutting after the tamping becomes the slope form, the friction pile is laid and slip casting mechanism drills and injects the thick liquid to drilling on the experimental model of cutting, tamp application of force mechanism applys transverse thrust to simulation material, monitor the simulation material displacement volume through monitoring mechanism. The utility model discloses have and influence the indoor model test device of side slope stability research to layered rock mass friction pile and carry out experimental study, to the accurate technological effect of side slope stability monitoring.

Description

Model test device for influence of slide-resistant piles on slope stability on stratified rock mass

Technical Field

The utility model belongs to the technical field of layered rock mass simulation test, more specifically say, relate to an anti-slide pile influences side slope stability model test device on layered rock mass.

Background

With the rapid development of economy and traffic industry in China, the number of constructed roads and railways in the field is increasing, and most of the constructed roads and railways have rock mass problems, such as soft rock, stratified rock mass and the like, especially the stratified rock mass with lower bearing capacity. The stratified rock mass widely exists in nature, the bedding plane is a structural plane formed by geological actions such as mineral deposition, invasion or directional migration, and the like, wherein coal strata are mostly stratified rock masses, and the physical and mechanical properties of the rock strata forming the surrounding rock of the roadway are often different, sometimes even greatly different, and the mechanical properties are very complex. The stratified rock mass is a very complex discontinuous material and widely exists in geotechnical engineering, and the layer surface of the stratified rock mass is formed by the action of sedimentary rocks and has the characteristic of alternating hardness and softness. The stability of rock mass is an important index in engineering. The anti-slide pile is one of main protection modes in slope protection, the arrangement mode of the anti-slide pile has obvious influence on anti-slide effect, research through an indoor test is one of main modes of modern scientific research, and the indoor simulation test has low cost and strong operability compared with a field test. The arrangement form of the slide-resistant piles has a large influence on the stability of the layered rock slope, so that the slide-resistant piles have research performance, and the conventional test device for researching the influence of the slide-resistant piles on the layered rock slope on the stability of the slope through an indoor model test cannot accurately test and research, and the monitoring result of the stability of the slope is also inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antifriction pile influences side slope stability model test device on stratiform rock mass aims at solving and still can not accurately test and research the indoor model test device that stratiform rock mass antifriction pile influences side slope stability research, to the unsafe technical problem of monitoring of side slope stability.

In order to achieve the above object, the utility model adopts the following technical scheme: the model test device for testing the influence of the slide-resistant piles on the slope stability on the stratified rock mass comprises a box body, a tamping force application mechanism, a slope cutting and shaping mechanism, a slide-resistant pile laying and grouting mechanism and a monitoring mechanism; the upper end of the box body is provided with an opening, the stratified rock mass test simulation material is filled to the bottom of the inner side of the box body from the opening side, and the simulation material is paved into an inclined shape; the tamping force application mechanism is arranged on the inner side wall of the box body and used for tamping simulation materials, the stacking filling of different types of simulation materials and the alternating action of the tamping force application mechanism, and the simulation materials are paved into an inclined stacked test model; the slope cutting and shaping mechanism is arranged on the inner side wall of the box body and is used for cutting the tamped test model into a slope shape; the anti-slide pile arranging and grouting mechanism is arranged on the inner side wall of the box body and is used for drilling a hole in the cut test model and grouting the hole, and the anti-slide pile is formed after grouting the hole; the monitoring mechanism applies transverse thrust to the simulation material on the upper layer of the test model with the anti-slide piles through the tamping force application mechanism, the monitoring mechanism monitors the displacement of the simulation material on the upper layer of the test model after force application, and the influence of the anti-slide piles on the stability of the side slope can be judged through the displacement of the simulation material.

As another embodiment of the application, the tamping force application mechanism comprises a first adjusting rod, a first straight rod and a tamping table, one end of the first adjusting rod is transversely and fixedly arranged on the inner side wall of the box body, the other end of the first adjusting rod is a free end, and the length of the first adjusting rod is adjustable; one end of the first straight rod is hinged with the free end of the first adjusting rod, the other end of the first straight rod is a free end, and an included angle between the first straight rod and the first adjusting rod is adjustable; the lateral part of the tamping table is rotatably connected to the free end of the first straight rod and can axially rotate around the first straight rod, a tamping rod is arranged on the upper end face of the tamping table, the lower end face of the tamping table is a plane, the plane end of the tamping table is used for tamping simulation materials by means of the matching action of the first adjusting rod and the first straight rod, and after the tamping table rotates 180 degrees relative to the first straight rod, the tamping rod end of the tamping table is used for abutting against simulation materials on the upper layer of a test model and applying transverse thrust by means of the matching action of the first adjusting rod and the first straight rod.

As another embodiment of the application, the slope cutting and shaping mechanism comprises two groups of sliding groove bodies, a cutter and a pushing piece, wherein the two groups of sliding groove bodies are respectively arranged on two opposite side walls in the box body; two opposite side walls of the cutter are respectively connected with the inner sides of the two groups of sliding groove bodies in a sliding manner and are used for cutting the test model into a slope shape; the ejection pieces are arranged in the two groups of sliding groove bodies respectively and used for ejecting the cutting knives to slide along the sliding groove bodies, and the cutting knives cut the test model by means of the ejection pieces.

As another embodiment of the application, the slope cutting and shaping mechanism further comprises two groups of first sliding chutes and arc chute bodies, the two groups of first sliding chutes are transversely arranged on two opposite side walls in the box body, and one end of each sliding chute body is connected in the first sliding chute in a sliding manner and can limit the position; the arc groove bodies are arranged in two groups and are transversely arranged on two opposite side walls in the box body, and the other end of the sliding groove body is connected in the arc groove body in a sliding mode and can limit; the included angle between the plane of the cutting knife and the horizontal plane is adjusted by means of sliding connection of the sliding groove bodies in the first sliding groove and the arc groove body respectively.

As another embodiment of this application, the shaping mechanism that cuts a slope still includes the second spout, and the second spout is two sets of, all transversely locates on the wall of the relative both sides in the box, the arc cell body sliding joint in the second spout and can be spacing, the position of sword on the horizontal plane with the help of the cell body with the sliding joint of first spout the arc cell body with the sliding joint of second spout is adjusted.

As another embodiment of the application, the slide-resistant pile arranging and grouting mechanism comprises a second adjusting rod, a second straight rod, a slurry box, a grouting pipe and a drilling tool, wherein one end of the second adjusting rod is transversely and fixedly arranged on the inner side wall of the box body, the other end of the second adjusting rod is a free end, and the length of the second adjusting rod is adjustable; one end of a second straight rod is hinged with the free end of the second adjusting rod, the other end of the second straight rod is a free end, and an included angle between the second straight rod and the second adjusting rod is adjustable; the side part of the slurry box is rotatably connected to the free end of the second straight rod, and slurry is contained in the slurry box; the grouting pipes are vertically arranged and arranged at the bottom end of the slurry box side by side, the upper ends of the grouting pipes are communicated with the inside of the slurry box, the lower ends of the grouting pipes are provided with a plurality of grouting holes, and slurry in the slurry box is injected into the drilled holes through the grouting holes; the slurry injection device comprises a slurry tank, a plurality of slurry injection pipes, a drilling tool and a plurality of slurry injection pipes, wherein the slurry injection pipes are arranged in the slurry tank, the slurry tank is arranged in the slurry tank, the drilling tool is vertically arranged at the bottom end of the slurry injection pipes, the slurry injection pipes are respectively sleeved with a sleeve, the upper end of the sleeve is fixedly connected with the bottom end of the slurry tank, the outer circumference of the lower part of the sleeve is provided with a plurality of through holes communicated.

As another embodiment of the application, the distance between the drilling tool and the sleeve is adjustable, and lattice type, T-shaped type, quincunx type and double-triangular type slide-resistant pile arrangement forms can be formed on a test model by using the drilling tool at different positions for drilling.

As another embodiment of the present application, the monitoring mechanism includes an angle scale, a support frame and a displacement rod, the angle scale is fixedly arranged on the inner side wall of the box body; the support frame is fixedly arranged at the lower end of the angle scale and is hollow inside; the displacement rod vertically penetrates through the support frame, the upper end of the displacement rod is used for indicating an angle on the angle scale, the lower end of the displacement rod is used for being inserted into a simulation material on the upper layer of the test model and moving along with the simulation material, the middle lower part of the displacement rod is hinged with the lower part of the support frame, after the simulation material moves, the displacement rod rotates around a hinged point and indicates a deflection angle on the angle scale, and the displacement of the simulation material can be measured and calculated through the rotation angle of the displacement rod.

As another embodiment of the application, the lower end of the displacement rod is hinged with a shifting rod, the shifting rod is inserted into the simulation material, and the shifting rod drives the displacement rod to rotate.

As another embodiment of this application, the box inboard bottom is equipped with the base that is used for laying the simulation material, the box upper end sets firmly and is used for the control tamp application of force mechanism, cut slope plastic mechanism with the friction pile is laid and the watch-dog of slip casting mechanism operation.

The utility model provides an anti-slide pile influences side slope stability model test device on stratified rock mass's beneficial effect lies in: compared with the prior art, the utility model discloses anti-slide pile influences side slope stability model test device on lamellar rock mass, pack lamellar rock mass test simulation material into the box inside and lay into the slope form, tamp simulation material through the tamping application of force mechanism, make the range upon range of packing and the alternating action of tamping application of force mechanism of different grade type simulation material, simulation material lays into the test model of slope type range upon range of form, cut into the slope form to the test model after tamping through cutting the slope plastic mechanism, through drilling and pouring thick liquid mechanism to the test model that has cut and pouring thick liquid into the drilling displacement volume, form anti-slide pile after pouring thick liquid in the drilling, exert transverse thrust to the test model upper strata simulation material that has laid anti-slide pile through tamping application of force mechanism, monitor the displacement volume of test model upper strata simulation material through monitoring mechanism after the application of force, can judge the influence of anti-slide pile to slope stability through simulation material, the utility model provides a to layered rock body friction pile influence side slope stability research's indoor model test device still can not accurately test and research, to the unsafe technical problem of monitoring of side slope stability, has to layered rock body friction pile influence side slope stability research's indoor model test device, can also accurately test and research, to the accurate technological effect of monitoring of side slope stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a model test device for testing influence of slide piles on a side slope on a stratified rock mass according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a tamping force application mechanism of the side slope stability model test device affected by the slide piles on the stratified rock mass provided by the embodiment of the utility model;

fig. 3 is a schematic structural view of a tamping table of a tamping force application mechanism of the testing device for testing the influence of the slide piles on the stratified rock mass on the slope stability model after the tamping table rotates 180 degrees;

fig. 4 is a schematic structural diagram of a slope cutting and shaping mechanism of a model test device for testing the influence of slide piles on the layered rock mass on the slope stability;

FIG. 5 is a schematic diagram of a state of a test model cut by a slope cutting shaping mechanism of the device for testing the influence of the slide piles on the stratified rock mass on the slope stability model;

fig. 6 is a schematic structural diagram of a slide pile arrangement and grouting mechanism of a slide pile influence side slope stability model test device on a stratified rock mass provided by the embodiment of the utility model;

fig. 7 is a side view of an anti-slide pile arrangement and grouting mechanism of an anti-slide pile influence side slope stability model test device on a stratified rock mass provided by the embodiment of the utility model;

fig. 8 is a schematic structural diagram of a monitoring mechanism of a device for testing influence of slide piles on a layered rock mass on slope stability model provided by the embodiment of the utility model;

fig. 9 is the embodiment of the utility model provides a monitoring mechanism that antifriction pile influences side slope stability model test device is in monitoring state schematic structure on the stratified rock body.

In the figure: 1. a box body; 11. a base;

2. a tamping force application mechanism; 21. a first adjusting lever; 22. a first straight rod; 23. a tamping table; 24. a tamping bar; 25. a rotating rod; 26. a telescopic rod; 27. a telescopic column;

3. a slope cutting and shaping mechanism; 31. a chute body; 32. cutting; 33. pushing the ejection piece; 34. a first chute; 35. an arc groove body; 36. a second chute;

4. an anti-slide pile arrangement and grouting mechanism; 41. a second adjusting lever; 42. a second straight rod; 43. a slurry tank; 44. a grouting pipe; 45. drilling tools; 46. a guniting hole; 47. sealing the cover; 48. a sleeve;

5. a monitoring mechanism; 51. an angle scale; 52. a support frame; 53. a displacement rod; 54. a deflector rod;

6. and (4) testing the model.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, a model test device for testing influence of slide piles on side slope stability on stratified rock mass according to the present invention will now be described. The device for testing the influence of the slide-resistant piles on the slope stability model on the stratified rock mass comprises a box body 1, a tamping force application mechanism 2, a slope cutting and shaping mechanism 3, a slide-resistant pile laying and grouting mechanism 4 and a monitoring mechanism 5; the upper end of the box body 1 is opened, the stratified rock mass test simulation material is filled to the bottom of the inner side of the box body 1 from the opened side, and the simulation material is paved into an inclined shape; the tamping force application mechanism 2 is arranged on the inner side wall of the box body 1 and is used for tamping simulation materials, the stacking filling of different types of simulation materials and the tamping force application mechanism 2 alternately act, and the simulation materials are paved into an inclined stacked test model 6; the slope cutting and shaping mechanism 3 is arranged on the inner side wall of the box body 1 and is used for cutting the tamped test model 6 into a slope shape; the anti-slide pile arranging and grouting mechanism 4 is arranged on the inner side wall of the box body 1 and is used for drilling a hole in the cut test model 6 and grouting the hole, and an anti-slide pile is formed after grouting the hole; monitoring mechanism 5 exerts transverse thrust through tamping application of force mechanism 2 to the simulation material on 6 upper strata of the test model that has laid the friction pile, monitors the displacement volume of the simulation material on 6 upper strata of test model through monitoring mechanism 5 after the application of force, can judge the influence of friction pile to side slope stability through the simulation material displacement volume.

Compared with the prior art, the utility model provides an anti-slide pile influences side slope stability model test device on stratified rock mass, the utility model discloses anti-slide pile influences side slope stability model test device on stratified rock mass, pack stratified rock mass test simulation material into box 1 inside and lay into the slope form, tamp simulation material through tamping forcing mechanism 2, make the range upon range of packing of different grade type simulation material and tamp forcing mechanism 2 action alternately, simulation material lays into test model 6 of slope type range upon range of form, cut test model 6 into the slope form through cutting slope shaping mechanism 3, lay and slip casting mechanism 4 through anti-slide pile and drill hole to cut test model 6 and to pour into the thick liquid into, form anti-slide pile after the thick liquid is poured into the drill hole, exert transverse thrust to the test model 6 upper strata simulation material of laying the anti-slide pile through tamping forcing mechanism 2, through the displacement volume of 5 monitoring test model 6 upper strata analog materials of monitoring mechanism after the application of force, can judge the influence of friction pile to side slope stability through the analog materials displacement volume, the utility model provides an indoor model test device to layered rock body friction pile influence side slope stability research still can not accurately test and research, to the unsafe technical problem of monitoring of side slope stability, has the indoor model test device to layered rock body friction pile influence side slope stability research, can also accurately test and research, to the accurate technological effect of monitoring of side slope stability.

In actual operation, a simulation material is manually filled in the box body 1, the simulation material can be a similar simulation material, the similar simulation materials with different types or physical properties are arranged for researching stratified rock masses with different properties, and finally, the multilayer simulation material can be laid into a multilayer structure, namely, the test model 6 to be researched at present is formed. In the concrete implementation, during the process of laying the simulation material, it is preferable to ensure that the length and the width of the multiple layers of the simulation material are consistent, or a frame is arranged inside the box body 1, the simulation material is filled in the frame to form multiple layers, so that the manufactured test model 6 becomes the expected model structure, and the model can be researched and tested.

The tamping force-applying mechanism 2 is used for tamping the simulation materials, so that the multilayer simulation materials are prevented from slipping or shifting under natural conditions, and the simulation materials are obliquely arranged, so that the tamping force-applying mechanism 2 is ensured to apply oblique force in the force application process and apply parallel pressure with the simulation materials in the specific implementation process. The upper end of the experimental model is cut and shaped into an expected shape through the slope cutting and shaping mechanism 3, the anti-slide piles are arranged on the experimental model 6, the number of the anti-slide piles is multiple, various types such as a lattice type, a T-shaped type, a quincunx type and a double triangle type can be arranged, different influences of the anti-slide piles on the stability of the side slope can be researched by arranging the anti-slide piles of different types, influence factors mainly include displacement of movement of a simulation material, and finally, the influence on the side slope is the minimum in the anti-slide pile arrangement form of which type, a test result and a conclusion can be obtained, and help can be provided for arrangement of the anti-slide piles on the actual site.

It should be noted that when the material and characteristics of the simulation material are selected, a certain proportional relationship is required between the material and characteristics of the actual stratified rock mass, so that test results and conclusions which are relatively consistent with actual application can be obtained.

As a specific implementation manner of the device for testing the influence of the slide pile on the layered rock mass on the slope stability model, please refer to fig. 2 to 3, the tamping force application mechanism 2 includes a first adjusting rod 21, a first straight rod 22 and a tamping table 23, one end of the first adjusting rod 21 is transversely fixed on the inner side wall of the box body 1, the other end is a free end, and the length of the first adjusting rod 21 is adjustable; one end of the first straight rod 22 is hinged with the free end of the first adjusting rod 21, the other end is a free end, and the included angle between the first straight rod 22 and the first adjusting rod 21 is adjustable; the free end of tamping table 23 lateral part rotation connection at first straight-bar 22, can be with tamping table 23 through locking spacing on first straight-bar 22 when adjusting (the rotation junction is the bolt and nut connection, can lock through the nut, and then the rotation between locking tamping table 23 and first straight-bar 22, the nut can be released when needs rotate), can be around first straight-bar 22 axial rotation, the up end of tamping table 23 is equipped with tamping rod 24, the lower terminal surface is the plane, the plane end of tamping table 23 is used for the tamping simulation material with the help of the cooperation action of first regulation pole 21 and first straight-bar 22, tamping table 23 rotates 180 back relative first straight-bar 22, the tamping rod 24 end of tamping table 23 is used for the upper simulation material of test model 6 and application transverse thrust with the help of the cooperation action of first regulation pole 21 and first straight-bar 22. The horizontal position and height of the tamping table 23 can be adjusted by the cooperation of the first adjusting rod 21 and the first straight rod 22, so that operations such as tamping of a simulation material can be realized. A rotating rod 25 is arranged at the free end of the first straight rod 22, the tamping table 23 is rotatably connected with the rotating rod 25, a limiting screw is arranged on the rotating rod 25, and after the tamping table 23 rotates 180 degrees, the tamping table 23 can be locked through the limiting screw; conversely, reverse screwing of the set screw releases the tamping table 23. The upper end face of tamping table 23 is equipped with a plurality of tamping rods 24, and the height-adjustable of tamping rods 24, tamping rods 24 are used for rubbing with the simulation material butt, can exert thrust to the simulation material. The lower end surface of the tamping table 23 is a plane, a smooth surface or a rough surface, and can hammer the simulation material to apply pressure.

In the present embodiment, the telescopic rod 26 is provided between the first straight rod 22 and the first adjusting rod 21, and the adjustment of the included angle between the first straight rod 22 and the first adjusting rod 21 can be realized by the adjustment function of the telescopic rod 26. The inner wall of the box body 1 is provided with a telescopic column 27, and the first adjusting rod 21 is transversely connected to the pushing end of the telescopic column 27, so that the purpose of adjusting the tamping table 23 in a three-dimensional (front-back, left-right and up-down) space is realized, and simulated materials at different positions can be tamped and applied with force. In addition, the first adjusting rod 21 can also be transversely connected to the fixed end of the telescopic column 27, and the first adjusting rod 21 can be connected to a proper position according to actual requirements.

Specifically, first regulation pole 21 is the electrodynamic type telescopic link, and its flexible length is adjustable, is convenient for realize the regulatory action to the height of tamping table 23, horizontal position. The bottom end area of the tamping table 23 is large, and can be covered with a simulation material, so that the use requirement can be met without adjusting along the width direction of the box body 1.

As a specific implementation manner of the device for testing the influence of the slide piles on the slope stability model on the stratified rock mass provided by the present invention, please refer to fig. 4 to 5, the slope-cutting shaping mechanism 3 includes two sets of chute bodies 31, a cutter 32 and a pushing member 33, the chute bodies 31 are respectively disposed on two opposite side walls in the box body 1; two opposite side walls of the cutter 32 are respectively connected with the inner sides of the two groups of slide groove bodies 31 in a sliding manner and are used for cutting the test model 6 into a slope shape; the two groups of ejection pieces 33 are respectively arranged in the two groups of sliding groove bodies 31 and are used for ejecting the cutting knife 32 to slide along the sliding groove bodies 31, and the cutting knife 32 cuts the test model 6 by means of the ejection pieces 33. The ejector 33 is long in ejection length, so that the simulated material can be cut or cut in a slope shape, when the ejection length of one ejector 33 cannot meet the construction requirement, two ejectors 33 can be continuously arranged and connected end to end, and thus, the ejector cutter 32 can slide in the chute body 31 to meet the cutting use requirement.

Specifically, the chute bodies 31 are U-shaped chute bodies and are arranged oppositely, the cutting knives 32 can slide in the two sets of chute bodies 31, and the included angle between each chute body 31 and the horizontal plane can be adjusted, so that the cutting direction or the angle of the simulation materials by the cutting knives 32 can be adjusted, and the test model 6 with different slope angles can be tested. The test model 6 is arranged between the two sets of slide grooves 31 and can be cut and formed at one time by cutting with the cutter 32.

As a specific implementation manner of the slope stability model test device affected by the slide piles on the stratified rock mass provided by the present invention, please refer to fig. 4 to 5, the slope cutting and shaping mechanism 3 further includes two sets of first chutes 34 and arc-shaped chutes 35, the first chutes 34 are transversely disposed on the two opposite side walls in the box body 1, and one end of the chute body 31 is slidably connected in the first chute 34 and can be limited; the two groups of arc groove bodies 35 are transversely arranged on two opposite side walls in the box body 1, and the other end of the sliding groove body 31 is connected in the arc groove bodies 35 in a sliding manner and can limit the position; the included angle between the plane of the cutting knife 32 and the horizontal plane is adjusted by means of the sliding connection of the sliding groove body 31 in the first sliding groove 34 and the arc groove body 35 respectively.

As the utility model provides a friction pile influences a concrete implementation way of side slope stability model test device on stratiform rock mass, please refer to fig. 4 to 5, slope shaping mechanism 3 still includes second spout 36, second spout 36 is two sets of, all transversely locate in box 1 on the relative both sides wall, arc cell body 35 sliding joint can be spacing in second spout 36, the position of sharpener 32 on the horizontal plane is adjusted with the help of sliding joint of cell body 31 and first spout 34, sliding joint of arc cell body 35 and second spout 36.

The slide groove body 31 can be adjusted in the placing position or the cutting angle of the test model 6 by adjusting the sliding positions of the slide groove body 31 in the first slide groove 34 and the arc groove body 35, the arc groove body 35 can slide in the second slide groove 36, and the purpose of adjusting the position of the slide groove body 31 can be met by the mutual matching and cooperation action of the first slide groove 34, the arc groove body 35 and the second slide groove 36.

As a specific implementation manner of the testing device for testing the influence of the slide-resistant piles on the layered rock mass on the slope stability model, please refer to fig. 6 to 7, the slide-resistant pile laying and grouting mechanism 4 comprises a second adjusting rod 41, a second straight rod 42, a slurry box 43, a grouting pipe 44 and a drilling tool 45, one end of the second adjusting rod 41 is transversely fixed on the inner side wall of the box body 1, the other end is a free end, and the length of the second adjusting rod 41 is adjustable; one end of the second straight rod 42 is hinged with the free end of the second adjusting rod 41, the other end is a free end, and the included angle between the second straight rod 42 and the second adjusting rod 41 is adjustable; the side part of the slurry tank 43 is rotatably connected to the free end of the second straight rod 42, the slurry tank 43 can be limited on the second straight rod 42 through locking when in adjustment (the rotary connection part is connected by bolts and nuts, and can be locked through nuts, so that the rotation between the slurry tank 43 and the second straight rod 42 is locked, and the nuts can be released when in rotation is needed), and slurry is contained in the slurry tank 43; the plurality of grouting pipes 44 are vertically arranged and arranged at the bottom end of the slurry box 43 side by side, the upper end of each grouting pipe is communicated with the inside of the slurry box 43, the lower end of each grouting pipe is provided with a plurality of grouting holes 46, and the slurry in the slurry box 43 is injected into the drilled hole through the grouting holes 46; a sleeve 48 is sleeved on each grouting pipe 44, the upper end of the sleeve 48 is fixedly connected with the bottom end of the slurry tank 43, a plurality of through holes communicated with the slurry spraying holes 46 are formed in the outer circumference of the lower portion of the sleeve 48, a drilling tool 45 is vertically arranged at the bottom end of the sleeve 48, and the drilling tool 45 is used for drilling holes into the cut test model 6. In the concrete operation, grouting is firstly carried out in the drill hole, and finally, the test is carried out. The slide-resistant pile laying and grouting mechanism 4 and the tamping force application mechanism 2 are respectively arranged on two opposite side walls in the box body 1, the horizontal position and the height of the slurry box 43 can be adjusted through the matching action of the second adjusting rod 41 and the second straight rod 42, and the operations of grouting in a drilling hole in a simulation material and the like can be realized. Slurry tank 43 is the cavity body, and upper portion is equipped with closing cap 47, and when the thick liquid place slurry tank 43 in the back, accessible closing cap 47 lid closed, need not sealing connection this moment, keep slurry tank 43 inside atmospheric pressure unanimous with external atmospheric pressure can, just can guarantee that the thick liquid flows downwards.

In the embodiment, the telescopic rod 26 is disposed between the second straight rod 42 and the second adjusting rod 41, and the adjusting function of the telescopic rod 26 can realize the adjusting function of the included angle between the second straight rod 42 and the second adjusting rod 41. The inner wall of the box body 1 is provided with the telescopic column 27, and the second adjusting rod 41 is transversely connected to the pushing end of the telescopic column 27, so that the purpose of adjusting the slurry box 43 in a three-dimensional (front-back, left-right and up-down) space is realized, and drilling holes on simulation materials at different positions can be grouted. In addition, the second adjusting rod 41 can also be transversely connected to the fixed end of the telescopic column 27, and the second adjusting rod 41 can be connected to a proper position according to actual requirements.

Specifically, the second adjusting rod 41 is an electric telescopic rod, and the telescopic length thereof is adjustable, so that the height and the horizontal position of the slurry tank 43 can be conveniently adjusted. The bottom end of the slurry tank 43 has a large area and can be provided with a plurality of sleeves 48, one sleeve 48 fitting one grouting pipe 44.

The simulated material is drilled by the drilling tool 45, and holes with different arrangement forms or modes can be drilled by using the drilling tool 45 at different positions, and then grouting is performed in the holes to form the slide-resistant piles. It is noted that each grouting pipe 44 is provided with a valve, the sleeve 48 is provided with a notch, the manual hand can open or close the valve through the notch, when other grouting pipes 44 are not used, other valves are closed, and the manual hand is opened when the grouting pipes are to be used, so that the operation is convenient and fast, and the plurality of sleeves 48 are arranged in an array form.

The drilling tool 45 is connected with the sleeve 48 through a telescopic sleeve, the telescopic length of the telescopic sleeve can be adjusted, and when drilling holes with different depths are required to be drilled, the telescopic length of the telescopic sleeve can be adjusted to achieve the purpose. The executing end of the drilling tool 45 is a drill bit, and a spiral cutting head is arranged on the drill bit.

As the utility model provides a friction pile influences slope stability model test device's a specific implementation way on stratified rock mass please refer to fig. 6 to 7, and the distance is adjustable between drilling tool 45 and the sleeve 48, creeps into through the drilling tool 45 that uses different positions, can form lattice formula, t-shaped, quincunx and the friction pile of two trigonometry type and lay the form on test model 6. By arranging the slide-resistant piles in different forms, the experimental conclusion that the slide-resistant piles in different arrangement forms on the layered rock mass influence the stability of the side slope in rainfall can be classified and researched, and theoretical support is provided for the application of the slide-resistant piles in actual field arrangement.

As a specific implementation manner of the device for testing the influence of the slide pile on the layered rock mass on the slope stability model provided by the present invention, please refer to fig. 8 to 9, the monitoring mechanism 5 includes an angle scale 51, a support frame 52 and a displacement rod 53, the angle scale 51 is fixedly arranged on the inner side wall of the box body 1; the support frame 52 is fixedly arranged at the lower end of the angle scale 51, and the interior of the support frame is hollow; the displacement rod 53 vertically penetrates through the support frame 52, the upper end of the displacement rod is used for indicating the angle on the angle scale 51, the lower end of the displacement rod is used for being inserted into the simulation material on the upper layer of the test model 6 and moving along with the simulation material, the middle lower part of the displacement rod 53 is hinged with the lower part of the support frame 52, the displacement rod 53 rotates around a hinged point after the simulation material moves and indicates the deflection angle on the angle scale 51, and the displacement of the simulation material can be measured and calculated through the rotating angle of the displacement rod 53. In general, the amount of movement of the simulation material is small, the displacement is inserted into the simulation material, when the simulation material moves, the displacement rod 53 rotates, the angle scale 51 indicated by the upper end of the displacement rod 53 shows the angle of rotation of the upper end of the displacement rod 53, and the amount of movement displacement of the simulation material can be obtained through a mathematical model. Specifically, support frame 52 is the rectangular shape hollow frame structure of vertical placing, and its length on the horizontal plane direction is enough long, can supply displacement pole 53 rotatory, for displacement pole 53 is rotatory to provide the space, can not influence displacement pole 53's rotation, can not influence the displacement monitoring result to test model 6 yet.

When monitoring the displacement of the simulated material, a calculation can be made by a mathematical model, as follows:

it is known that the angle of measurement, OA, OB, is determined by the cosine law

c²＝a²+b²-2ab cos C

To obtain

Because delta AOB-delta COD, OA is known, OC can obtain CD length, and because angle A is equal to angle ABO, so that angle ABO is equal to angle C is equal to angle CDO (pi-AOB)/2, and because angle DFC is equal to 90 degrees, so that it is formed by sine theorem

To obtain

As a specific implementation manner of the testing device for testing the slope stability of the sliding-resistant piles on the stratified rock mass, please refer to fig. 8 to 9, the lower end of the displacement rod 53 is hinged with a shift lever 54, the shift lever 54 is inserted into the simulation material, and the shift lever 54 drives the displacement rod 53 to rotate. The lower end of the displacement rod 53 is provided with a shift lever 54, the shift lever 54 is rotatably connected with the displacement rod 53, the shift lever 54 is inserted in the analog material and moves together with the analog material, and the movement of the shift lever 54 drives the displacement rod 53 to rotate around a hinge point, so that the movement amount of the shift lever 54, namely the movement amount of the analog material can be judged.

As the utility model provides an anti-slide pile influences slope stability model test device's a specific implementation way on stratiform rock mass please refer to and draw together figure 1, figure 4 to figure 5, and 1 inboard bottom of box is equipped with the base 11 that is used for laying simulation material, and 1 upper end of box sets firmly and is used for monitoring tamp application of force mechanism 2, cuts slope plastic mechanism 3 and anti-slide pile and lays and slip casting mechanism 4 watch-dog of operation. The simulation material is placed on the base 11 for testing, the base 11 is of a plate-shaped structure, the periphery of the base is provided with a baffle, the height of the baffle is low, the base of the simulation material can be surrounded and blocked, and the simulation material is prevented from being integrally dislocated in the testing process.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Anti-slide pile influences side slope stability model test device on laminar rock mass, its characterized in that includes:

the upper end of the box body is provided with an opening, the stratified rock mass test simulation material is filled to the bottom of the inner side of the box body from the opening side, and the simulation material is paved into an inclined shape;

the tamping force application mechanism is arranged on the inner side wall of the box body and used for tamping simulation materials, the stacking filling of different types of simulation materials and the tamping force application mechanism alternately act, and the simulation materials are paved into an inclined stacked test model;

the slope cutting and shaping mechanism is arranged on the inner side wall of the box body and is used for cutting the tamped test model into a slope shape;

the anti-slide pile arranging and grouting mechanism is arranged on the inner side wall of the box body and is used for drilling a hole in the cut test model and grouting the hole, and the anti-slide pile is formed after grouting is performed in the hole; and

and the monitoring mechanism is used for applying transverse thrust to the upper simulation material of the test model with the laid anti-slide pile through the tamping force application mechanism, monitoring the displacement of the upper simulation material of the test model through the monitoring mechanism after force application, and judging the influence of the anti-slide pile on the stability of the side slope through the displacement of the simulation material.

2. The experimental device for testing influence of the slide-resistant piles on the slope stability model on the stratified rock mass as claimed in claim 1, wherein the tamping force application mechanism comprises:

one end of the first adjusting rod is transversely and fixedly arranged on the inner side wall of the box body, the other end of the first adjusting rod is a free end, and the length of the first adjusting rod is adjustable;

one end of the first straight rod is hinged with the free end of the first adjusting rod, the other end of the first straight rod is a free end, and an included angle between the first straight rod and the first adjusting rod is adjustable; and

the lateral part of the tamping table is rotatably connected to the free end of the first straight rod and can axially rotate around the first straight rod, a tamping rod is arranged on the upper end face of the tamping table, the lower end face of the tamping table is a plane, the plane end of the tamping table is used for tamping simulation materials by means of the matching action of the first adjusting rod and the first straight rod, and after the tamping table rotates 180 degrees relative to the first straight rod, the tamping rod end of the tamping table is used for abutting against simulation materials on the upper layer of a test model and applying transverse thrust by means of the matching action of the first adjusting rod and the first straight rod.

3. The experimental device for testing influence of the slide-resistant piles on the slope stability model on the stratified rock body according to claim 1, wherein the slope cutting and shaping mechanism comprises:

the two groups of sliding groove bodies are respectively arranged on two opposite side walls in the box body;

the two opposite side walls of the cutter are respectively connected with the inner sides of the two groups of sliding groove bodies in a sliding manner and are used for cutting the test model into a slope shape; and

and the two groups of ejection pieces are respectively arranged in the two groups of sliding groove bodies and are used for ejecting the cutting knives to slide along the sliding groove bodies, and the cutting knives cut the test model by means of the ejection pieces.

4. The experimental device for testing influence of the slide-resistant piles on the slope stability model on the stratified rock body as claimed in claim 3, wherein the slope cutting and shaping mechanism further comprises:

two groups of first sliding grooves are transversely arranged on two opposite side walls in the box body, and one end of each sliding groove body is connected in the first sliding groove in a sliding mode and can limit; and

the arc groove bodies are two groups and are transversely arranged on two opposite side walls in the box body, the other end of the sliding groove body is connected in the arc groove body in a sliding mode and can be limited, and the included angle between the plane of the sharpener and the horizontal plane is adjusted through sliding connection in the first sliding groove and the arc groove body respectively.

5. The experimental device for testing influence of the slide-resistant piles on the slope stability model on the stratified rock body as claimed in claim 4, wherein the slope cutting and shaping mechanism further comprises:

the second chutes are two groups and are transversely arranged on two opposite side walls in the box body, the arc chute body is connected in the second chute in a sliding mode and can be limited, and the position of the knife on the horizontal plane is adjusted by means of the sliding connection of the chute body and the first chute and the sliding connection of the arc chute body and the second chute.

6. The device for testing the influence of the slide piles on the slope stability model on the stratified rock mass according to claim 1, wherein the slide pile arranging and grouting mechanism comprises:

one end of the second adjusting rod is transversely and fixedly arranged on the inner side wall of the box body, the other end of the second adjusting rod is a free end, and the length of the second adjusting rod is adjustable;

one end of the second straight rod is hinged with the free end of the second adjusting rod, the other end of the second straight rod is a free end, and an included angle between the second straight rod and the second adjusting rod is adjustable;

the side part of the slurry box is rotatably connected to the free end of the second straight rod, and slurry is contained in the slurry box;

the grouting pipes are vertically arranged and arranged at the bottom end of the slurry box side by side, the upper ends of the grouting pipes are communicated with the inside of the slurry box, the lower ends of the grouting pipes are provided with a plurality of grouting holes, and slurry in the slurry box is injected into the drilled holes through the grouting holes; and

the drilling tool is sleeved on each grouting pipe, the upper end of each sleeve is fixedly connected with the bottom end of the slurry box, a plurality of through holes communicated with the slurry spraying holes are formed in the outer circumference of the lower portion of each sleeve, the drilling tool is vertically arranged at the bottom end of each sleeve, and the drilling tool is used for drilling holes into a cut test model.

7. The apparatus for testing influence of slide piles on slope stability on stratified rock mass according to claim 6, wherein the distance between the drilling tool and the sleeve is adjustable, and lattice type, T-shaped, quincunx type and double-triangular type slide pile layout forms can be formed on the test model by drilling with the drilling tool at different positions.

8. The experimental device for testing influence of slide piles on slope stability on stratified rock mass according to claim 2, wherein the monitoring mechanism comprises:

the angle scale is fixedly arranged on the inner side wall of the box body;

the supporting frame is fixedly arranged at the lower end of the angle scale and is hollow inside; and

the displacement rod vertically penetrates through the support frame, the upper end of the displacement rod is used for indicating an angle on the angle scale, the lower end of the displacement rod is used for being inserted into a simulation material on the upper layer of the test model and moving along with the simulation material, the middle lower part of the displacement rod is hinged with the lower part of the support frame, after the simulation material moves, the displacement rod rotates around a hinged point and indicates a deflection angle on the angle scale, and the displacement of the simulation material can be measured and calculated through the rotation angle of the displacement rod.

9. The experimental device for testing the influence of the slide-resistant pile on the layered rock mass on the slope stability model as claimed in claim 8, wherein the lower end of the displacement rod is hinged with a deflector rod, the deflector rod is inserted in the simulation material, and the deflector rod drives the displacement rod to rotate.

10. The device for testing the influence of the slide piles on the slope stability model on the stratified rock mass according to claim 1, wherein a base for laying simulation materials is arranged at the bottom of the inner side of the box body, and a monitor for monitoring the operation of the tamping force application mechanism, the slope cutting and shaping mechanism and the slide pile laying and grouting mechanism is fixedly arranged at the upper end of the box body.

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