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红杭州地铁一号线主要建筑物均位于软土地基中,土的抗剪强度对建筑物稳定与安全关系重大。本文简要分析了地铁工程前期勘探阶段地下隧洞的软土围岩及地铁车站深基坑软土边坡、基坑底部土体的应力状态与抗剪强度试验方法关联,指标的选用及实际应用中应注意的问题。
The main buildings of Hangzhou Metro Line 1 are located in soft ground. The shear strength of soil is of great importance to the stability and safety of buildings. This paper briefly analyzes the soft surrounding rock of the underground tunnel in the early stage of subway engineering exploration and the soft soil slope of the deep foundation pit of the subway station. The stress state of the soil at the bottom of the foundation pit is related to the shear strength test method. The index selection and practical application Should pay attention to the problem.