Analysis of Influence of Inner Diameter of Hydraulic Tunnel on Stability of Soft Rock
The lining of soft rock tunnel has a great influence on project investment,so it is very important to study the stability of soft rock surrounding rock and the variation trend between different tunnel diameters.Based on the water source protection of Eagle Reservoir-Wangshui River drainage project,based on the analysis of the geological characteristics of soft rock,through the calculation and analysis of the deformation and stress of surrounding rock under different hole diameters,the minimum hole diameter that can not be lined is obtained,which can provide reference for similar projects.
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