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Henan Science. 2022, (07)

Study on the Stability of Surrounding Rock of Hydraulic Tunnel Based on the Hardening Soil Model with Small Strain StiffnessChinese Full Text

JIA Jingxi;YU Kui;HUANG Yong;SHENG Jianting;LIANG Jiangsheng;MENG Fanxiang;College of Water Conservancy and Electric Power,Heilongjiang University;Heilongjiang Provincial Water Conservancy and Hydroelectric Power Investigation,Design and Research Institute;

Abstract: During excavation of underground structures,most areas occur small deformation,except for a few areas where plastic deformation or failure occurs. The Mohr-Coulomb model is widely used in numerical analysis of underground structures,but it is often difficult to accurately predict deformation due to the lack of consideration of soil deformation properties in this constitutive model,particularly in the small strain phase. The hardening soil model with small strain stiffness can take into account t... More
Keywords：

hydraulic tunnel; HSS model; stability of surrounding rock; numerical analysis; PLAXIS 3D;

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy; (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Hydraulic and Hydropower Engineering

  • Classification Code：

    TV672.1

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