Chinese Academy of Sciences

Changjiang River Scientific Research Institute, Changjiang Water Resource Commission

Shuling Huang

Shan Li

Quan Jiang

Shaojun Li

Guangliang Feng

Jun He

Xiating Feng

Xiuli Ding

Dingping Xu

Yuting Zhang

Peiyang Yu

Gang Han

Dengxue Liu

Xiuyang Liu

The invention discloses an experimental system of surrounding rock and lining structure under unequal surrounding pressure and water pressure, comprising: reaction wall, lining structure, external water pressure loading mechanism, internal water pressure loading mechanism, prestress-loading mechanism, surrounding rock layer and monitoring device. The Experimental System can simulate the stress characteristics and related deformation characteristics of the surrounding rock of the tunnel and the lining structure of the water conveyance tunnel under complex internal and external loads in the actual environment, and can help to analyze and study the broken appearance of the lining structure and the crack distribution after cracking.

Experimental system of surrounding rock and lining structure under unequal surrounding pressure and water pressure

The present application provides a quantitative assessment method, apparatus and device for global stability of surrounding rocks of underground caverns, which are configured to provide a concrete, practical and effective quantitative assessment solution for a global stability state of the surrounding rocks of the underground caverns. The quantitative assessment method for global stability of surrounding rocks of underground caverns includes: extracting, after determining an assessment task for the global stability of the surrounding rock of a target underground cavern, initial data of the target underground cavern; dividing, according to the initial data, the target underground cavern into different independent cavern units or cavern sections; and rating, according to a preset stability assessment strategy, the eight factors influencing the stability of surrounding rocks of cavern units or the cavern sections are rated respectively, as a global stability assessment result of the target underground cavern.

Quantitative assessment method, apparatus, and device for global stability of surrounding rocks of underground caverns

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Wuhan, China

Shuling Huang