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Direct shear rheological testing machine for cylindrical surface of cylindrical core in deep ground environment

A rheological test and environmental technology, applied in the direction of applying stable shear force to test the strength of materials, measuring devices, instruments, etc., can solve problems such as effective testing of shear mechanical properties

Active Publication Date: 2021-06-15
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of effectively testing the shear mechanical properties of cylindrical rock cores along the direction perpendicular to the axial plane of the core in the existing complex environment of simulating deep ground, and to provide a cylindrical direct shear rheological testing machine for cylindrical rock cores in deep ground environments , its operation is simple and easy

Method used

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  • Direct shear rheological testing machine for cylindrical surface of cylindrical core in deep ground environment
  • Direct shear rheological testing machine for cylindrical surface of cylindrical core in deep ground environment
  • Direct shear rheological testing machine for cylindrical surface of cylindrical core in deep ground environment

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Embodiment Construction

[0044] Below in conjunction with accompanying drawing and embodiment the present invention is described further as follows:

[0045] The "up" and "down" in the direction indicated in this manual are attached figure 1 Shown applies.

[0046] Cylindrical core cylindrical direct shear rheological testing machine in deep ground environment, such as figure 1 , figure 2 with image 3 As shown, it includes a shearing indenter 1, and the shearing indenter 1 includes a base 1A, a sample holder 1B and an angle adjustment screw 1E; ear plates 1C are arranged on both sides of the base 1A, and the base 1A and the two The side ear plate 1C surrounds and forms a clamping area 1D; the ear plate 1C is vertically provided with a chute 1C1 extending to the base 1A;

[0047] The sample holder 1B is columnar, and its cross-section is triangular, including a sample clamping surface 1B1, a supporting surface 1B2 and a connecting surface 1B3 connecting the sample clamping surface 1B1 and the sup...

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Abstract

The invention belongs to the field of a direct shear test and a direct shear rheological test of a complete rock block with a cylindrical core or a rock block with a structural surface under a complex occurrence condition of simulating deep ground engineering, and particularly relates to a direct shear rheological testing machine for a cylindrical surface of the cylindrical core in a deep ground environment. The machine structurally comprises a shearing pressure head and a horizontal driving mechanism, wherein the shearing pressure head is provided with a base, a sample clamping seat and an angle adjusting screw rod. According to the cylindrical core cylindrical surface direct shear rheological testing machine in the deep ground environment, a shear test can be directly carried out on the cylindrical complete rock block and the cylindrical rock block containing a structural surface, and the problem that the shear test cannot be effectively carried out due to restrictions of the size, the character and the like is solved.

Description

technical field [0001] The invention belongs to the field of direct shear test and direct shear rheological test of a complete rock block of a cylindrical core or a rock block with a structural surface under the complex occurrence conditions of a simulated deep-earth engineering, in particular to the direct shear of a cylindrical core cylinder in a deep-earth environment Rheological testing machine. Background technique [0002] The shear mechanical property of rock is one of the essential key mechanical parameters in rock mass engineering construction. For deep engineering rock mass buried underground, its occurrence environment is usually the joint effect of high stress and high osmotic pressure, and even faces the coupling effect of high temperature. Under high stress and high osmotic pressure, the shear strength and Deformation characteristics are particularly important to engineering safety, especially for engineering rock masses with significant rheological properties...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24G01N3/04
CPCG01N3/24G01N3/04G01N2203/0025G01N2203/0682G01N2203/0246
Inventor 刘建锋谢和平石祥超李存宝王俊李化魏进兵邓建辉
Owner SICHUAN UNIV
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