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Indoor photoelastic lining model multi-axis loading experiment system and multi-axis loading mechanism

A shaft loading and shaft loading technology, which is applied in the direction of strength characteristics, using stable tension/pressure testing material strength, measuring devices, etc., can solve the problem of multi-directional loading, large limitations, and single loading method in geotechnical engineering. problem, to achieve a comprehensive and reliable experimental loading operation, to meet the effect of adaptation and comprehensive experiment

Pending Publication Date: 2021-02-26
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The invention provides an indoor photoelastic lining model multi-axial loading experiment system and a multi-axial loading mechanism, which solves the problem of single loading mode and too many limitations in the photoelastic experiment in the prior art, which cannot meet the experimental needs of multi-directional loading in geotechnical engineering technical issues

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  • Indoor photoelastic lining model multi-axis loading experiment system and multi-axis loading mechanism
  • Indoor photoelastic lining model multi-axis loading experiment system and multi-axis loading mechanism
  • Indoor photoelastic lining model multi-axis loading experiment system and multi-axis loading mechanism

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Embodiment Construction

[0032] The embodiment of the present application provides an indoor photoelastic lining model multi-axial loading experiment system and a multi-axial loading mechanism to solve the problem of the single loading method and too many limitations in the photoelastic experiment in the prior art, which cannot meet the multi-directional loading of geotechnical engineering Technical issues required by the experiments.

[0033] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application. , rather than limiting the technical solutions of the present application, the embodiments of the present application and the technical features in the embodiments c...

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Abstract

The invention belongs to the technical field of photoelastic experiment devices, and discloses an indoor photoelastic lining model multi-axis loading experiment system and a multi-axis loading mechanism. The multi-axis loading mechanism comprises a force holding frame, a loading assembly, a hydraulic oil source and an electric control system; the number of the loading assemblies is multiple, and the multiple loading assemblies are arranged on the force holding frame in a scattered mode. The loading assembly comprises a pressure loading shaft, a pressure loading head and a clamping piece. The pressure loading shaft is fixed on the force holding frame, the pressure loading shaft is connected with the hydraulic oil source, and the electric control system is connected with the hydraulic oil source; the pressure loading head is fixed on the action end of the pressure loading shaft, and the clamping piece is fixed on the pressure loading head; and the clamping piece is provided with a moldedsurface matched with the test sample. The multi-axis loading mechanism provided by the invention can realize reliable multi-axis asynchronous loading and improve the test comprehensiveness.

Description

technical field [0001] The invention relates to the technical field of photoelasticity experiment devices, in particular to an indoor photoelastic lining model multi-axis loading experiment system and a multi-axis loading mechanism. Background technique [0002] The photoelasticity instrument mainly uses the principle of stress birefringence of photoelastic materials to form plane polarized light fields and circular polarized light fields through polarizers and analyzers, so that the specimens present different contour lines and isoclines under different stress states. Line pattern, and then use software to analyze the stress state of different parts of the test piece, but the loading method of the existing photoelastic instrument is mainly based on uniaxial compression, which has too many limitations and cannot meet the experimental needs of multi-directional loading in geotechnical engineering and other specialties. Geotechnical engineering requires more complex and divers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12G01N3/04
CPCG01N3/12G01N3/04G01N2203/0048G01N2203/025G01N2203/0682G01N2203/0641G01N2203/0617G01N2203/0676G01N2203/0208
Inventor 朱勇李兆琛周辉李静张传庆胡大伟杨凡杰杨柳涂洪亮谢业统江帅
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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