CN117347595B - Comprehensive test device for slope and stratum model and application method thereof - Google Patents

Comprehensive test device for slope and stratum model and application method thereof Download PDF

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Publication number
CN117347595B
CN117347595B CN202311511506.4A CN202311511506A CN117347595B CN 117347595 B CN117347595 B CN 117347595B CN 202311511506 A CN202311511506 A CN 202311511506A CN 117347595 B CN117347595 B CN 117347595B
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model
stratum
slope
steel pipe
side slope
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CN117347595A (en
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兰恒星
孙巍锋
兰明润
晏长根
包含
刘鑫
董忠红
祝艳波
张贝
刘世杰
田朝阳
梁秦源
王小婵
李洲辰
任轩承
杜钰靓
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Changan University
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Changan University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00Investigation of foundation soil in situ
    • E02D1/02Investigation of foundation soil in situ before construction work
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23Dune restoration or creation; Cliff stabilisation

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  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
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  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
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  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Remote Sensing (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Geology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a comprehensive test device for a side slope and a stratum model, which comprises foundation soil, a concrete layer, a stratum observation pit, a steel pipe frame in the observation pit, a triangular steel pipe frame, a base plate, tank wheels, a crane frame, a drainage ditch, a side slope side steel pipe frame, a side slope thickness control frame, a transverse fixed steel pipe, a crane movable guide rail, a crane, a lifting hook, a side slope model, a high-density electrical probe, a high-density electrical instrument, a stratum model, a remote control I, a remote control II and a power supply. The invention also discloses a using method of the comprehensive test device for the slope and stratum model. The comprehensive test device for the side slope and the stratum model can be used for carrying out in-situ property test research on the side slope and the stratum rock-soil body by using the high-density electrical method and the in-hole test method at the same time, and solves the problem that the current model test device can not carry out model test research on the side slope and the stratum at the same time because the thickness of the side slope and the stratum model is fixed to a specific value.

Description

Comprehensive test device for slope and stratum model and application method thereof
Technical Field
The invention relates to the technical field of geological model test devices, in particular to a comprehensive test device for a slope and stratum model and a use method thereof.
Background
In the field of geological engineering, on one hand, rock and soil disasters are common, and model tests of slopes and strata need to be developed to study the deformation and damage mechanism problems of the slopes and the strata; on the other hand, in order to develop in-situ property test research of the slope and the stratum rock-soil body by using a high-density electrical method and an in-hole test method, a slope and stratum model containing soil layers with different properties needs to be manufactured for developing in-situ property test of the slope and the stratum rock-soil body.
At present, although model test devices and methods for slopes or strata have been developed, most of the model test devices and methods fix the thickness of the slope and stratum models, and it is difficult to develop model test researches on the slopes and the strata simultaneously. When the thickness of the side slope and the stratum model is required to be smaller, and the model test device is fixed to a specific value, excessive rock and soil materials are filled in the model device, so that a large amount of materials, manpower and money are wasted. Therefore, the comprehensive model test device for the side slope and the stratum to be researched and developed not only can flexibly change the thickness of the side slope and the stratum model according to the needs, but also can simultaneously develop in-situ property test research on the side slope and the stratum rock-soil body by using a high-density electrical method and an in-hole test method, thereby saving the material, labor and money investment in the model test.
Disclosure of Invention
The invention aims to provide a comprehensive test device for a side slope and stratum model, which can be used for carrying out in-situ property test research on the side slope and stratum rock and soil body by a high-density electrical method and an in-hole test method at the same time, and solves the problem that the current model test device can not be used for carrying out model test research on the side slope and stratum at the same time by fixing the thicknesses of the side slope and stratum model to a specific value. The invention further aims to provide a using method of the comprehensive test device for the slope and stratum model.
The invention provides a comprehensive test device for a side slope and a stratum model, which comprises foundation soil, a concrete layer, a stratum observation pit, a steel pipe frame in the observation pit, a triangular steel pipe frame, a fastening bolt, a backing plate, a tank wheel, a crane frame, a drainage ditch, a side slope side steel pipe frame, a transparent plate I, a side slope thickness control frame, a transverse fixed steel pipe, a crane movable guide rail, a crane, a steel wire rope, a lifting hook, a side slope model, a high-density electrical probe, a cable I, a high-density electrical instrument, a stratum model, a drill hole, a transparent plate II, a sports car, a cable II, a remote control I, a remote control II and a power supply;
the foundation soil top is equipped with the concrete layer, the concrete layer is equipped with the stratum observation hole, concrete layer top both sides all are equipped with the loop wheel machine frame, both sides be equipped with the loop wheel machine movable rail between loop wheel machine frame top, loop wheel machine movable rail both ends all are equipped with the sports car, the sports car is at loop wheel machine frame top horizontal migration, the side slope model is located the concrete layer top, and the stratum model is located the stratum observation hole, side slope side steel pipe frame is located side slope model both sides, both sides all be equipped with side slope thickness control frame between side slope side steel pipe frame tip, both sides be equipped with horizontal fixed steel pipe between side slope side steel pipe frame top, side slope side steel pipe frame keeps away from side slope model one side is equipped with triangle-shaped steel pipe frame, and its one side that is close to the side slope model is equipped with transparent plate one side, observe the downthehole steel pipe frame is located one side of stratum model in the stratum observation hole, and its one side that is close to the stratum model is equipped with transparent plate two.
Preferably, the concrete layer is provided with a plurality of counter bores I, the bottom of the concrete layer is also provided with a plurality of steel sleeves I which are coaxial with the counter bores I, threads I are arranged in the steel sleeves I, bolts I connected with the threads I are arranged, and the tail parts of the bolts I do not exceed the surface of the concrete layer.
Preferably, the steel pipe frame in the observation pit is located in the stratum observation pit, a plurality of second counter bores are formed in the pit wall at the bottom of the stratum observation pit, a plurality of second steel sleeves coaxial with the second counter bores are further arranged at the bottom of the stratum observation pit, threads are formed in the second steel sleeves, bolts connected with the threads are arranged in the second steel sleeves, the tail parts of the bolts do not exceed the surface of the pit wall at the bottom of the stratum observation pit, the steel pipe frame in the observation pit comprises a first horizontal pipe, a first vertical pipe, a second vertical pipe and a second horizontal pipe, a plurality of through holes are formed in the second horizontal pipe and are fixedly connected with the second steel sleeves in the pit wall at the bottom of the observation pit through fastening bolts, and the first vertical pipe close to the side of the stratum model is in a plane with the outer surface of the vertical pipe and is used for being in contact with the two transparent plates.
Preferably, the triangular steel tube frame comprises a horizontal right-angle side tube, a hypotenuse tube and a vertical right-angle side tube, a plurality of through holes are formed in the horizontal right-angle side tube, a plurality of pairs of first lug plates are welded on two sides of the vertical right-angle side tube, through holes are formed in the first lug plates, round through holes and semicircular through holes are formed in the base plates, the tank comprises a surrounding shell, rollers and a rotating shaft, the rollers are mounted inside the surrounding shell through the rotating shaft, and the top surface of the surrounding shell is welded at the bottom of the side slope side steel tube frame.
Preferably, the loop wheel machine frame is located loop wheel machine and removes guide rail both ends, and the loop wheel machine frame includes support leg and horizontal guide rail roof beam, and the support leg is located horizontal guide rail roof beam both ends, the sports car removes on horizontal guide rail roof beam, and the sports car passes through cable two and the remote control one electricity that the control sports car removed is even, be equipped with the loop wheel machine on the loop wheel machine removes the guide rail, be equipped with wire rope on the loop wheel machine, the wire rope below is equipped with the lifting hook, and the loop wheel machine outside is equipped with the remote control two of control loop wheel machine.
Preferably, the side slope side steel pipe frame comprises a bottom horizontal pipe, a vertical pipe, a top horizontal pipe and a middle horizontal pipe, wherein a plurality of through holes are formed in the vertical pipe, a plurality of through holes are formed in the top horizontal pipe, and the transparent plate is located on the inner side of the side slope side steel pipe frame in a cling mode.
Preferably, the slope thickness control frame comprises a steel plate, a lower horizontal pipe, a second lug plate, a straight pipe and an upper horizontal pipe, wherein the bottom surface of the second lug plate is flush with the bottom surface of the lower horizontal pipe, a through hole is formed in the second lug plate, and a plurality of through holes are formed in the upper horizontal pipe.
Preferably, the transverse fixed steel pipe is provided with a plurality of through holes, and is fixedly connected with the side slope side steel pipe frame through fastening bolts.
Preferably, the high-density electrical probe is electrically connected with the high-density electrical instrument through a first cable, and the power supply is used for supplying power to the crane, the sports car, the first remote control and the second remote control.
The application method of the comprehensive test device for the slope and stratum model comprises the following steps:
(1) Fixing the steel pipe frame in the observation pit by fastening bolts according to the thickness requirement of the stratum model, and tightly abutting the transparent plate II on the empty side of the steel pipe frame in the observation pit;
(2) According to the filling requirement of the stratum model, in a three-dimensional space between the steel pipe frame in the observation pit and the pit wall of the observation pit, respectively driving a sports car and a crane to hoist related materials by using a remote control I and a remote control II so as to fill the stratum model containing a plurality of layers of rock and soil bodies in a layering manner;
(3) Drilling holes in the stratum model by using a drilling tool according to the drilling requirements of the stratum model so as to perform in-situ testing on the properties of rock and soil bodies in the stratum hole;
(4) According to the thickness requirement of the slope model, determining the transverse and longitudinal relative positions of a plurality of triangular steel pipe frames, placing a backing plate, fixing the triangular steel pipe frames on a concrete layer by using fastening bolts, and further fixedly connecting the triangular steel pipe frames with the side steel pipe frames of the slope by using the fastening bolts;
(5) The adjacent sides of the two side slope side steel pipe frames are respectively clung to a transparent plate I, the side slope thickness control frames, the concrete layer and the side slope side steel pipe frames are fixed through fastening bolts, and then the transverse fixed steel pipes and the side slope side steel pipe frames are fixed through fastening bolts;
(6) According to the concrete requirement of the slope model, in a three-dimensional space formed by the first transparent plates, the concrete layer and the slope thickness control frame, the first remote control and the second remote control are used for respectively driving the sports car and the crane to hoist related materials so as to fill the slope model containing a plurality of layers of rock and soil bodies;
(7) Drilling holes in the slope model by using a drilling tool according to the drilling requirements of the slope model so as to perform in-situ testing on the properties of rock and soil bodies in the slope hole;
(8) And (3) inserting high-density electric probes into the surfaces of the stratum model and the side slope model, operating a high-density electric instrument to develop a high-density electric test, comparing and analyzing the test result with the multi-layer rock-soil properties of the stratum model and the side slope model which are designed in advance, and verifying the test effect of the high-density electric method.
The comprehensive test device for the slope and the stratum model and the use method thereof have the advantages that:
1. The invention can simultaneously develop the comprehensive model test research of the slope and the stratum.
2. The invention can fix the thickness of the slope and the stratum model to a required specific value, and saves the investment cost of the test.
3. The invention can simultaneously develop the in-situ property test research of the slope and the stratum rock-soil body by a high-density electrical method and an in-hole test method.
4. The test device is convenient to assemble and apply, can be repeatedly used, and can meet a great deal of scientific exploration on the slope and the stratum.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a comprehensive test device for a slope and stratum model of the invention;
FIG. 2 is a schematic view of a steel pipe frame in an observation pit in a comprehensive test device for a slope and a stratum model;
FIG. 3 is a schematic view of a triangular steel pipe frame in a comprehensive test device for a slope and stratum model of the invention;
FIG. 4 is a schematic diagram of a spacer in a comprehensive test device for slope and stratum model according to the present invention;
FIG. 5 is a schematic view of a side slope steel pipe frame in a comprehensive test device for a side slope and stratum model according to the invention;
FIG. 6 is an exploded view of a slope thickness control frame in a comprehensive test device for a slope and stratum model according to the present invention;
FIG. 7 is a schematic diagram of a tank in a comprehensive test device for a slope and stratum model according to the present invention;
FIG. 8 is a schematic view of a concrete layer in a comprehensive test device for a slope and stratum model, wherein a is a schematic view of the concrete layer, and b is a section view A-A in a;
fig. 9 is an enlarged view at a in fig. 1.
Reference numerals
1. A drainage ditch; 2. triangular steel pipe frames; 2-1, a horizontal right-angle side tube; 2-2 hypotenuse tube; 2-3, vertical right-angle side pipes; 2-4 ear plates I; 3. tank wheels; 3-1, a surrounding housing; 3-2, idler wheels; 3-3, a rotating shaft; 4. a gasket; 4-1, semicircular through holes; 4-2 round through holes; 5. observing a steel pipe frame in the pit; 5-1, horizontal tube I; 5-2 a first vertical pipe; 5-3, a vertical pipe II; 5-4 horizontal tubes II; 6. observing the pit; 7. a high density electrical probe; 8. a second transparent plate; 9. drilling holes; 10. a formation model; 11. a first cable; 12. foundation soil; 13. a high density electrical method instrument; 14. a concrete layer; 14-1, a first counter bore; 14-2, a steel sleeve I; 15. remote control II; 16. a crane frame; 16-1 stent legs; 16-2, horizontal guide rail beams; 17. remote control I; 18. a power supply; 19. a sports car; 20. a wire rope; 21. a crane; 22. a lifting hook; 23. the crane moves the guide rail; 24. transversely fixing the steel pipe; 25. a slope thickness control frame; 25-1 steel plate; 25-2, lower horizontal tube; 25-3, ear plate two; 25-4, upper horizontal tube; 25-5, straight pipes; 26. a first transparent plate; 27. side steel pipe frame of side slope; 27-1 bottom horizontal tube; 27-2, a vertical tube; 27-3 top horizontal tube; 27-4, a middle horizontal tube; 28. and (5) a slope model.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
As shown in FIG. 1, the comprehensive test device for the side slope and the stratum model comprises foundation soil 12, a concrete layer 14, a stratum observation pit 6, a steel pipe frame 5 in the observation pit, a triangular steel pipe frame 2, fastening bolts, a backing plate 4, tank wheels 3, a crane frame 16, a drainage ditch 1, a side slope side steel pipe frame 27, a transparent plate one 26, a side slope thickness control frame 25, a transverse fixed steel pipe 24, a crane movable guide rail 23, a crane 21, a steel wire rope 20, a lifting hook 22, a side slope model 28, a high-density electric probe 7, a cable one 11, a high-density electric instrument 13, a stratum model 10, a drilling hole 9, a transparent plate two 8, a sports car 19, a cable two, a remote control one 17, a remote control two 15 and a power supply 18.
The fastening bolts are used for respectively connecting the steel sleeve II of the bottom pit wall of the observation pit 5 and the steel sleeve II of the bottom pit wall of the observation pit 6, the side slope steel pipe frame 27 and the steel sleeve I14-2 in the concrete layer 14, and the side slope steel pipe frame 27 and the triangular steel pipe frame 2.
Foundation soil 12 is an in situ formation for supporting concrete layer 14 and for making formation observation pit 6. Above the foundation soil 12 is provided a concrete layer 14, the concrete layer 14 being used to support and fix all structures and fillers thereon. The concrete layer 14 is provided with a stratum observation pit 6, crane frames 16 are arranged on two sides above the concrete layer 14, crane moving guide rails 23 are arranged between tops of the crane frames 16 on two sides, a trolley 19 is arranged on two ends of the crane moving guide rails 23, the trolley 19 moves horizontally on the tops of the crane frames 16, a slope model 28 is arranged above the concrete layer 14, the stratum model 10 is arranged in the stratum observation pit 6, slope side steel pipe frames 27 are arranged on two sides of the slope model 28, slope thickness control frames 25 are arranged between ends of the slope side steel pipe frames 27 on two sides, transverse fixed steel pipes 24 are arranged between tops of the slope side steel pipe frames 27 on two sides, a triangular steel pipe frame 2 is arranged on one side, away from the slope model 28, of the slope side steel pipe frames 27, a transparent plate one 26 is arranged on one side, close to the slope model 28, of the steel pipe frames 5 in the observation pit are arranged on one side, close to the stratum model 10, of the stratum model 6, and a transparent plate two 8 are arranged on one side, close to the stratum model 10.
As shown in fig. 8, the concrete layer 14 is provided with a plurality of counter bores one 14-1, as shown in fig. 8a, and the bottom of the concrete layer is also provided with a plurality of steel sleeves one 14-2 coaxial with the counter bores one 14-1, as shown in fig. 8 b. The steel sleeve I14-2 is internally provided with a thread I, and is provided with a bolt I connected with the thread I, and the tail part of the bolt I does not exceed the surface of the concrete layer 14. When the corresponding steel sleeve one 14-2 is not used for fixing the triangular steel pipe frame 2, the side slope side steel pipe frame 27 and the side slope thickness control frame 25, the counter bore one 14-1 is used for accommodating the tail of the bolt one screwed into the steel sleeve one 14-2, so that the tail of the bolt one does not exceed the surface of the concrete layer 14, and dust is prevented from falling into the steel sleeve one 14-2. The inside of each steel sleeve I14-2 is provided with a thread I which is used for being connected and fixed with a matched bolt I in a threaded mode.
The axes of the plurality of steel sleeves 14-2 are arranged in a horizontal and longitudinal linear manner and are used for fixing the triangular steel pipe frame 2 and the slope thickness control frame 25 through fastening bolts.
The bottom and the pit wall all around of stratum observation pit 6 can be formed by concrete placement, and steel pipe frame 5 is located stratum observation pit 6 in the observation pit, has seted up a plurality of counter bores second on the pit wall of stratum observation pit 6 bottom, and its bottom still is provided with a plurality of steel sleeve second coaxial with counter bores second, and steel sleeve second inside is equipped with the screw thread second, and is equipped with the bolt second of being connected with the screw thread, and bolt second afterbody does not surpass stratum observation pit 6 bottom pit wall surface.
As shown in fig. 2, the steel pipe frame 5 in the observation pit comprises a first horizontal pipe 5-1, a first vertical pipe 5-2, a second vertical pipe 5-3 and a second horizontal pipe 5-4, which are preferably welded together in sequence. The second horizontal pipe 5-4 is provided with a plurality of through holes for being fixedly connected with the second steel sleeve in the pit wall at the bottom of the observation pit 6 through fastening bolts, and the outer surface of the first vertical pipe 5-2 and the outer surface of the second vertical pipe 5-3 close to the stratum model 10 are planes for being in contact with the second transparent plate 8. The second transparent plate 8 is used for supporting the side of the formation model 10 and can be used for observing the formation model 10 from the side.
When the corresponding second steel sleeve is not used for fixing the steel pipe frame in the pit, the second counter bore is used for accommodating the tail of the second bolt screwed into the second steel sleeve, so that the tail of the second bolt is prevented from exceeding the surface of the pit wall at the bottom, and dust is prevented from falling into the second steel sleeve. And a second thread is arranged in each second steel sleeve and is used for being connected and fixed with the matched second bolt in a threaded mode. The two axes of the steel sleeves are arranged in a horizontal and longitudinal linear mode and are used for fixing the steel pipe frame 5 in the observation pit through fastening bolts.
As shown in fig. 3, the triangular steel pipe frame 2 includes a horizontal right-angle side pipe 2-1, a hypotenuse pipe 2-2, and a vertical right-angle side pipe 2-3, which are preferably formed by welding steel pipes in sequence. The horizontal right-angle side pipe 2-1 is provided with a plurality of through holes for fixedly connecting with the steel sleeve I in the concrete layer 14 through fastening bolts. A plurality of pairs of first lug plates 2-4 are welded on two sides of the vertical right-angle side pipe 2-3, and through holes are formed in the first lug plates 2-4. For fixedly connecting the triangular steel pipe frame 2 with the slope side steel pipe frame 27 by fastening bolts and nuts.
As shown in fig. 4, the pad 4 is provided with a circular through hole 4-2 and a semicircular through hole 4-1. As shown in fig. 7, the tank wheel 3 includes a peripheral casing 3-1, rollers 3-2 and a rotating shaft 3-3, the rollers 3-2 are mounted inside the peripheral casing 3-1 through the rotating shaft 3-3, and the top surface of the peripheral casing 3-1 is welded to the bottom of a side slope side steel pipe frame 27. As shown in fig. 9, the backing plate 4 is used for heightening the triangular steel pipe frame 2, and the bottom surface of the backing plate 4 is ensured to be flush with the bottom surface of the wheel of the tank wheel 3. The bottom of the triangular steel tube frame 2 is provided with two base plates 4, semicircular through holes 4-1 of the two base plates 4 are in butt joint to form a through hole for passing through a fastening bolt, when the triangular steel tube frame 2 does not need the base plates 4, steel bars are inserted into the circular through holes 4-2, then the base plates 4 are pried, the base plates 4 are removed, and the base plates 4 are preferably steel plates. The sliding direction of the roller 3-2 is perpendicular to the length direction of the horizontal tube 27-1 at the bottom of the side slope steel tube frame 27, and is used for moving the side slope steel tube frame 27. The material of the tank wheel 3 is preferably steel.
As shown in fig. 1, the crane frame 16 is located at both ends of the crane moving rail 23, the crane frame 16 includes a bracket leg 16-1 and a horizontal rail beam 16-2, the bracket leg 16-1 is located at both ends of the horizontal rail beam 16-2, and the bracket leg 16-1 is welded to the horizontal rail beam 16-2. The carriage 19 moves on the horizontal guide rail beam 16-2, the carriage 19 is electrically connected with a remote control I17 for controlling the movement of the carriage 19 through a cable II, a crane 21 is arranged on a crane moving guide rail 23, a steel wire rope 20 is arranged on the crane 21, a lifting hook 22 is arranged below the steel wire rope 20, and a remote control II 15 for controlling the crane 21 is arranged outside the crane 21. The wire rope 20 is connected to a hook 22 for suspending test model materials and tools, etc.
The drainage ditch 1 is used for removing rainwater which may flow into the concrete layer 14 outside the test area. The drain 1 is preferably made of concrete.
As shown in fig. 5, the side slope side steel pipe frame 27 includes a bottom horizontal pipe 27-1, a vertical pipe 27-2, a top horizontal pipe 27-3, and a middle horizontal pipe 27-4, wherein the vertical pipe 27-2 is provided with a plurality of through holes for passing through fastening bolts, and the top horizontal pipe 27-3 is provided with a plurality of through holes for passing through fastening bolts. The first transparent plate 26 is positioned on the inner side of the side slope side steel pipe frame 27, and is preferably made of a endurance plate or an acrylic plate.
As shown in fig. 6, the slope thickness control frame 25 includes a steel plate 25-1, a lower horizontal tube 25-2, a second ear plate 25-3, a straight tube 25-5, and an upper horizontal tube 25-4, wherein the bottom surface of the second ear plate 25-3 is flush with the bottom surface of the lower horizontal tube 25-2, the second ear plate 25-3 is provided with a through hole for passing through a fastening bolt, and the upper horizontal tube 25-4 is provided with a plurality of through holes for passing through the fastening bolt. The slope thickness control frame 25 may be designed in a plurality of different width types for the selection of slope models 28 with different thickness.
The transverse fixing steel pipe 24 is provided with a plurality of through holes, and the transverse fixing steel pipe 24 is fixedly connected with the side slope side surface steel pipe frame 27 through fastening bolts. The transverse fixed steel pipes 24 can be designed into a plurality of types with different lengths for preparing slope models 28 with different thicknesses, and a plurality of transverse fixed steel pipes 24 with each length can be designed for preparing the connection requirement of the transverse fixed steel pipes 24 and the slope side steel pipe frames 27.
The high-density electrical probe 7 is electrically connected with the high-density electrical instrument 13 through a first cable 11, and a power supply 18 is used for supplying power to the crane 21, the sports car 19, the remote control one 17 and the remote control two 15.
The drill hole 9 is a hole formed in the slope model 28 or the stratum model 10, and a test of the soil body in-situ property can be carried out in the hole. The slope model 28 and the stratum model 10 are manufactured manually, and can be designed according to various requirements.
The application method of the comprehensive test device for the slope and stratum model 10 comprises the following steps:
(1) According to the thickness requirement of the stratum model 10, fixing the observation pit and the inner steel pipe frame 5 in the stratum observation pit 6 by using fastening bolts, and tightly abutting the transparent plate II 8 on the empty side of the inner steel pipe frame 5 in the observation pit;
(2) According to the filling requirement of the stratum model 10, in a three-dimensional space between the steel pipe frame 5 in the observation pit and the pit wall of the stratum observation pit 6, respectively driving the sports car 19 and the crane 21 to hoist related materials by using the first remote control 17 and the second remote control 15 so as to fill the stratum model 10 containing a plurality of layers of rock and soil bodies in a layering manner;
(3) Drilling holes in the stratum model 10 by using a drilling tool according to the drilling hole 9 requirement of the stratum model 10 so as to perform in-situ testing on the properties of rock and soil bodies in the stratum hole;
(4) According to the thickness requirement of the slope model 28, the transverse and longitudinal relative positions of a plurality of triangular steel pipe frames 2 are determined, a backing plate is placed, the triangular steel pipe frames 2 are fixed on the concrete layer 14 by fastening bolts, and then the triangular steel pipe frames 2 and the slope side steel pipe frames 27 are fixedly connected by the fastening bolts;
(5) The adjacent sides of the two side slope side steel pipe frames 27 are respectively clung to a transparent plate I26, the side slope thickness control frame 25, the concrete layer 14 and the side slope side steel pipe frames 27 are fixed by fastening bolts, and then the transverse fixed steel pipe 24 and the side slope side steel pipe frames 27 are fixed by fastening bolts;
(6) According to the concrete requirement of the slope model 28, in the three-dimensional space formed by the two transparent plates 26, the concrete layer 14 and the slope thickness control frame 25, the remote control 17 and the remote control 15 are used for respectively driving the sports car 19 and the crane 21 to hoist related materials so as to fill the slope model 28 containing a plurality of layers of rock and soil bodies;
(7) According to the drilling 9 requirement of the slope model 28, drilling holes can be formed in the slope model 28 by using a drilling tool so as to perform in-situ testing on the properties of rock and soil bodies in the slope holes;
(8) And (3) inserting a high-density electrical probe 7 into the surfaces of the stratum model 10 and the side slope model 28, operating the high-density electrical instrument 13 to perform a high-density electrical test, comparing and analyzing the test result with the multi-layer rock-soil properties of the stratum model 10 and the side slope model 28 which are designed in advance, and verifying the test effect of the high-density electrical method.
In addition, according to specific test requirements, the test device can be used for independently carrying out model test research on the slope or stratum.
The application method of the test device of the stratum model comprises the following steps:
(1) According to the thickness requirement of the stratum model 10, fixing the steel pipe frame 5 in the observation pit 6 by fastening bolts in the stratum observation pit 6, and tightly abutting the transparent plate II 8 on the empty side of the steel pipe frame 5 in the observation pit 6;
(2) According to the filling requirement of the stratum model 10, in a three-dimensional space between the steel pipe frame 5 in the observation pit 6 and the pit wall of the observation pit 6, respectively driving the sports car 19 and the crane 21 to hoist related materials by using the first remote control 17 and the second remote control 15 so as to fill the stratum model 10 containing a plurality of layers of rock and soil bodies in a layering manner;
(3) Drilling holes in the stratum model 10 by using a drilling tool according to the drilling hole 9 requirement of the stratum model 10 so as to perform in-situ testing on the properties of rock and soil bodies in the stratum hole;
(4) And (3) inserting a high-density electrical probe 7 into the surface of the stratum model 10, operating a high-density electrical instrument 13 to perform a high-density electrical test, comparing and analyzing the test result with the multi-layer rock-soil property of the stratum model 10 designed in advance, and verifying the test effect of the high-density electrical method.
The application method of the test device for the slope model comprises the following steps:
(1) According to the thickness requirement of the slope model 28, the transverse and longitudinal relative positions of a plurality of triangular steel pipe frames 2 are determined, a backing plate is placed, the triangular steel pipe frames 2 are fixed on the concrete layer 14 by fastening bolts, and then the triangular steel pipe frames 2 and the slope side steel pipe frames 27 are fixedly connected by the fastening bolts;
(2) The adjacent sides of the two side slope side steel pipe frames 27 are respectively clung to a transparent plate I26, the side slope thickness control frame 25, the concrete layer 14 and the side slope side steel pipe frames 27 are fixed by fastening bolts, and then the transverse fixed steel pipe 24 and the side slope side steel pipe frames 27 are fixed by fastening bolts;
(3) According to the concrete requirement of the slope model 28, in the three-dimensional space formed by the two transparent plates 26, the concrete layer 14 and the slope thickness control frame 25, the remote control 17 and the remote control 15 are used for respectively driving the sports car 19 and the crane 21 to hoist related materials so as to fill the slope model 28 containing a plurality of layers of rock and soil bodies;
(4) According to the drilling 9 requirement of the slope model 28, drilling holes can be formed in the slope model 28 by using a drilling tool so as to perform in-situ testing on the properties of rock and soil bodies in the slope holes.
(5) And (3) inserting a high-density electrical probe 7 into the surface of the slope model 28, operating the high-density electrical instrument 13 to perform a high-density electrical test, comparing and analyzing the test result with the multi-layer rock-soil property of the pre-designed slope model 28, and verifying the test effect of the high-density electrical method.
Therefore, the comprehensive test device for the slope and the stratum model and the use method thereof can be used for carrying out in-situ property test research on the slope and the stratum rock-soil body by adopting the high-density electrical method and the in-hole test method at the same time, and solve the problem that the current model test device can not carry out model test research on the slope and the stratum at the same time because the thickness of the slope and the stratum model is fixed to a specific value.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.

Claims (4)

1. A comprehensive test device for slope and stratum model is characterized in that: the device comprises foundation soil, a concrete layer, a stratum observation pit, an observation pit inner steel pipe frame, a triangular steel pipe frame, a fastening bolt, a base plate, a tank wheel, a crane frame, a drainage ditch, a side slope side steel pipe frame, a transparent plate I, a side slope thickness control frame, a transverse fixed steel pipe, a crane moving guide rail, a crane, a steel wire rope, a lifting hook, a side slope model, a high-density electrical probe, a cable I, a high-density electrical instrument, a stratum model, a drilling hole, a transparent plate II, a sports car, a cable II, a remote control I, a remote control II and a power supply;
The foundation soil is provided with a concrete layer above, the concrete layer is provided with a stratum observing pit, two sides above the concrete layer are respectively provided with a crane frame, two sides are respectively provided with a crane moving guide rail between the tops of the crane frames, two ends of each crane moving guide rail are respectively provided with a sports car, each sports car horizontally moves at the tops of the crane frames, the side slope model is positioned above the concrete layer, the stratum model is positioned in the stratum observing pit, the side slope side steel pipe frames are positioned at two sides of the side slope model, side slope thickness control frames are respectively arranged between the ends of the side slope side steel pipe frames, two sides are respectively provided with a transverse fixed steel pipe between the tops of the side slope side steel pipe frames, one side of the side slope side steel pipe frames, which is far away from the side slope model, is provided with a triangle steel pipe frame, one side of the side slope model is provided with a transparent plate I, the steel pipe frame in the observing pit is positioned at one side of the stratum model in the stratum observing pit, and one side of the side slope model, which is close to the stratum model is provided with a transparent plate II;
The concrete layer is provided with a plurality of counter bores I, the bottom of the concrete layer is also provided with a plurality of steel sleeves I which are coaxial with the counter bores I, threads I are arranged in the steel sleeves I, bolts I connected with the threads I are arranged, and the tail parts of the bolts I do not exceed the surface of the concrete layer;
The steel pipe frame in the observation pit is positioned in the stratum observation pit, a plurality of counter bores II are formed in the pit wall at the bottom of the stratum observation pit, a plurality of steel sleeves II which are coaxial with the counter bores II are further arranged at the bottom of the observation pit, threads II are arranged in the steel sleeves II, bolts II connected with the threads II are arranged, the tail parts of the bolts II do not exceed the surface of the pit wall at the bottom of the stratum observation pit, the steel pipe frame in the observation pit comprises a horizontal pipe I, a vertical pipe II and a horizontal pipe II, a plurality of through holes are formed in the horizontal pipe II and are fixedly connected with the steel sleeves II in the pit wall at the bottom of the observation pit through fastening bolts, and the vertical pipe I close to the stratum model side is in a plane with the outer surface of the vertical pipe and is used for contacting with the transparent plate II;
The triangular steel pipe frame comprises a horizontal right-angle side pipe, a hypotenuse pipe and a vertical right-angle side pipe, wherein a plurality of through holes are formed in the horizontal right-angle side pipe, a plurality of pairs of first lug plates are welded on two sides of the vertical right-angle side pipe, through holes are formed in the first lug plates, round through holes and semicircular through holes are formed in the base plates, the tank wheel comprises a surrounding shell, rollers and a rotating shaft, the rollers are arranged in the surrounding shell through the rotating shaft, and the top surface of the surrounding shell is welded at the bottom of the side slope side steel pipe frame;
The side slope side steel pipe frame comprises a bottom horizontal pipe, a vertical pipe, a top horizontal pipe and a middle horizontal pipe, wherein a plurality of through holes are formed in the vertical pipe, a plurality of through holes are formed in the top horizontal pipe, and a transparent plate is positioned on the inner side of the side slope side steel pipe frame;
the side slope thickness control frame comprises a steel plate, a lower horizontal pipe, a second lug plate, a straight pipe and an upper horizontal pipe, wherein the bottom surface of the second lug plate is flush with the bottom surface of the lower horizontal pipe, a through hole is formed in the second lug plate, and a plurality of through holes are formed in the upper horizontal pipe;
and the transverse fixed steel pipes are fixedly connected with the side slope side steel pipe frame through fastening bolts.
2. The comprehensive test device for a slope and stratum model according to claim 1, wherein: the crane frame is located crane and removes guide rail both ends, and the crane frame includes support leg and horizontal guide rail roof beam, and the support leg is located horizontal guide rail roof beam both ends, the sports car removes on horizontal guide rail roof beam, and the sports car passes through cable two and is connected with the remote control one that the control sports car removed electricity, be equipped with the crane on the crane removes the guide rail, be equipped with wire rope on the crane, the wire rope below is equipped with the lifting hook, and the crane outside is equipped with the remote control two of control crane.
3. The comprehensive test device for a slope and stratum model according to claim 1, wherein: the high-density electrical method probe is electrically connected with the high-density electrical method instrument through a first cable, and a power supply is used for supplying power to the crane, the sports car, the first remote control and the second remote control.
4. A method of using a device for integrated testing of a slope and formation model according to any one of claims 1-3, comprising the steps of:
(1) Fixing the steel pipe frame in the observation pit by fastening bolts according to the thickness requirement of the stratum model, and tightly abutting the transparent plate II on the empty side of the steel pipe frame in the observation pit;
(2) According to the filling requirement of the stratum model, in a three-dimensional space between the steel pipe frame in the observation pit and the pit wall of the observation pit, respectively driving a sports car and a crane to hoist related materials by using a remote control I and a remote control II so as to fill the stratum model containing a plurality of layers of rock and soil bodies in a layering manner;
(3) Drilling holes in the stratum model by using a drilling tool according to the drilling requirements of the stratum model so as to perform in-situ testing on the properties of rock and soil bodies in the stratum hole;
(4) According to the thickness requirement of the slope model, determining the transverse and longitudinal relative positions of a plurality of triangular steel pipe frames, placing a backing plate, fixing the triangular steel pipe frames on a concrete layer by using fastening bolts, and further fixedly connecting the triangular steel pipe frames with the side steel pipe frames of the slope by using the fastening bolts;
(5) The adjacent sides of the two side slope side steel pipe frames are respectively clung to a transparent plate I, the side slope thickness control frames, the concrete layer and the side slope side steel pipe frames are fixed through fastening bolts, and then the transverse fixed steel pipes and the side slope side steel pipe frames are fixed through fastening bolts;
(6) According to the concrete requirement of the slope model, in a three-dimensional space formed by the first transparent plates, the concrete layer and the slope thickness control frame, the first remote control and the second remote control are used for respectively driving the sports car and the crane to hoist related materials so as to fill the slope model containing a plurality of layers of rock and soil bodies;
(7) Drilling holes in the slope model by using a drilling tool according to the drilling requirements of the slope model so as to perform in-situ testing on the properties of rock and soil bodies in the slope hole;
(8) And (3) inserting high-density electric probes into the surfaces of the stratum model and the side slope model, operating a high-density electric instrument to develop a high-density electric test, comparing and analyzing the test result with the multi-layer rock-soil properties of the stratum model and the side slope model which are designed in advance, and verifying the test effect of the high-density electric method.
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