Model test device and method for influence of freezing and thawing on deformation of bedding rock slope

A model test device and technology for rock slopes, which can be used in mechanical solid deformation measurement, excavation, soil material testing, etc., can solve the problem of not being able to simulate the effect of freeze-thaw bedding rock slopes and freeze-thaw bedding rock Problems such as the effect of rock slopes and the inability to adjust the slope angle of bedding rock slopes, etc., achieve the effect of intuitive monitoring and convenient operation

Pending Publication Date: 2017-06-16
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a model test device and method for the effect of freezing and thawing on the deformation of bedding rock slopes, which can effectively improve the existing devices that cannot adjust the slope angle of bedding rock slopes and cannot simulate freezing and thawing. Effects on bedding rock slopes and other issues
[0007] The beneficial effects of the present invention are: the present invention can effectively improve the problems that

Method used

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  • Model test device and method for influence of freezing and thawing on deformation of bedding rock slope
  • Model test device and method for influence of freezing and thawing on deformation of bedding rock slope
  • Model test device and method for influence of freezing and thawing on deformation of bedding rock slope

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Experimental program
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Example Embodiment

[0054] Example one

[0055] Such as figure 1 , figure 2 , image 3 As shown, the present embodiment includes a U-shaped slope platform 101 that is arranged obliquely, and the bottom of the U-shaped slope platform 101 at one end of the horizontal high end is provided with a jack 102 for lifting the U-shaped slope platform 101. The U-shaped slope platform 101 The end of the platform 101 located at the lower horizontal end is movably connected with a buffer platform 104 for opening or closing the end of the U-shaped slope platform 101, and the buffer platform 104 is provided with a drainage hole 105 penetrating the buffer platform 104; The U-shaped slope platform 101 is provided with a heating device 113 for melting snow in the environment; the tops of both side plates of the U-shaped slope platform 101 are provided with rails extending along the length of the two side plates of the U-shaped slope platform 101 117. Each of the two rails 117 is provided with a plurality of sliding s...

Example Embodiment

[0071] Example two

[0072] In this embodiment, a model test method for the effect of freezing and thawing on the deformation of a bedding rock slope is disclosed, including the following steps:

[0073] S1: Carry out field geological survey: through field macro-geological survey, measure the occurrence and thickness of the strata along the bedding rock slope.

[0074] S2: Preparation of slate 108 and saturated clay: Determine the similarity ratio of the model test, determine and prefabricate the size of the slate 108 used in the model, and after prefabrication is completed, soak it in 0°C water for use to prepare saturated clay.

[0075] S3: Set the jack 102: Make the piston of the jack 102 under the U-shaped ramp 101 rise until the slope of the steel box is equal to the inclination of the rock formation.

[0076] S4: Rotate the buffer platform 104 around the connecting shaft 103: Spread butter evenly on the buffer platform 104, rotate the buffer platform 104 around the connecting shaf...

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Abstract

The invention relates to a model test device and method for influence of freezing and thawing on deformation of a bedding rock slope. The device comprises a U-shaped slope bench arranged obliquely, jackets are arranged at the bottom of one end, located at a high horizontal end, of the U-shaped slope bench, one end, located at the low horizontal end, of the U-shaped slope bench is movably connected with a buffer platform, and drainage holes are formed in the buffer platform; heating devices are arranged on the periphery of the U-shaped slope bench; tracks are arranged at tops of two side plates of the U-shaped slope bench, multiple sliding seats are arranged on the two tracks, the sliding seats on the two tracks are connected through cross beams in a one-to-one correspondence manner, and multiple dial gages are arranged on the cross beams. The problems that an existing device cannot adjust angles of bedding rock slopes and cannot simulate the effect of freezing and thawing on the bedding rock slope and the like can be effectively solved, and the model test device has the advantages of being convenient to operate, direct in monitoring and the like and has great significance in guiding stability evaluation and treatment of the bedding rock slope in the cold region.

Description

technical field [0001] The invention relates to a model test device and method for the effect of freezing and thawing on the deformation of bedding rock slopes, belonging to the field of geological engineering, in particular to a test method for the effect of freezing and thawing cycles on the deformation of bedding rock slopes, which is suitable for analysis Research on deformation and failure mechanism and stability of bedding rock slopes in cold regions of my country. Background technique [0002] The stability of bedding rock slope is one of the common engineering geological problems in the process of railway construction in mountainous areas, and it is also one of the important issues that railway construction personnel pay close attention to. In northern China, due to the long period of railway construction, the excavated bedding rock slopes often have to go through repeated freezing and thawing. It is complex, and there is no similar experience in slope engineering de...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N25/04G01B5/30E02D17/20
CPCG01B5/30G01N25/04G01N33/24E02D17/20Y02A10/23
Inventor 朱大鹏伍康林王晨旭徐凯田奉鑫邓清禄曲宏略王涛张洋洋杨敏
Owner SOUTHWEST PETROLEUM UNIV
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