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Three-axis adjustable microscopic observation system for geotechnical mesomechanics test

A mesomechanics and observation system technology, which is applied in soil testing, measuring devices, scientific instruments, etc., to achieve the effects of easy maintenance, simple operation, and simple structure

Inactive Publication Date: 2013-01-02
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a three-axis adjustable microscopic observation system that can perform mesoscopic observation during the coupling action of water and rock and soil for the existing rock triaxial and soil triaxial loading systems

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  • Three-axis adjustable microscopic observation system for geotechnical mesomechanics test
  • Three-axis adjustable microscopic observation system for geotechnical mesomechanics test

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Embodiment Construction

[0038] The use mode of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] The installation and use steps of the instrument are as follows:

[0040] 1. According to the position of the geotechnical triaxial loading system, place the support [1], and fix the vertical support rod [2] on the support [1].

[0041] 2. According to the height of the rock sample or soil sample in the pressure chamber of the geotechnical triaxial loading system, determine the height of the vertically moving fixed ring [3], and vertically move the fixed ring to fix the knob [8].

[0042] 3. Place the vertical horizontal connector [5], horizontal support rod [7], horizontal connecting rod system fixing block [6] [10], vertical displacement fine adjustment system [10] [11] [9], horizontal Displacement fine-tuning system[12][14][13] and lens axial fine-tuning support rod[15].

[0043] 4. Connect the microscope [18] [17] [16] to the support rod ...

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Abstract

The invention discloses a triaxial adjustable microscopic observation system used in a soil-rock softening meso-mechanical test, which comprises a microscope and a universal stand, wherein, the universal stand comprises a bracket, a vertical bearing rod, a vertical mobile retainer ring, a vertical and transverse connector, a transverse joint lever system, a vertical fine tuning system, a transverse fine tuning system and a lens axial fine tuning system. The triaxial adjustable microscopic observation system is characterized in that the formation and the development of crannies and crackles onthe soil-rock surface are traced dynamically in a comprehensive manner during the soil-rock softening process, and the evolution rule of soil-rock internal damages is revealed finally. The triaxial adjustable microscopic observation system has the main advantages that the triaxial adjustable observation of the microscope can be realized, an effectual crackle observation tool is provided for the soil-rock softening meso-mechanical test, the operation is simple and convenient, and the system is easy to master.

Description

technical field [0001] The invention belongs to the field of rock and soil engineering test instruments, in particular to a three-axis adjustable microscopic observation system in rock and soil mesomechanics tests. technical background [0002] The phenomenon of rock and soil softening with water is common in many major projects at home and abroad, and it is the key to causing deformation damage or safety hazards in slopes, foundation pits, tunnels, etc. Specifically, due to the coupling effect of water and force on the rock and soil, the connection of mineral particles inside the rock and soil is weakened, and the inhomogeneity of clay mineral expansion in the rock and soil jointly leads to microcracks inside and on the surface of the rock and soil. With the intensification of the interaction between water and rock-soil mass, the micro-cracks in the rock-soil mass continue to expand and merge, and the macro-strength of the rock-soil mass is also continuously reduced, and fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24G01N3/00
Inventor 周翠英张磊朱凤贤黄炜刘动
Owner SUN YAT SEN UNIV