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抽水蓄能电站多采用地下厂房型式,初始地应力场是地下厂房工程设计和稳定性分析的重要依据。本文根据某抽水蓄能电站地下厂房区域地形地貌、工程地质条件以及实测地应力资料,分析了地下厂房区域地应力分布特征,并在此基础上建立了三维有限元模型,利用ABAQUS数值计算软件对地下厂房区域地应力场进行了反演分析,获得了地下厂房区与初始地应力场分布。
Pumped-storage power plants use more underground power plants, and the initial ground stress field is an important basis for the engineering design and stability analysis of underground power plants. Based on the topography, engineering geological conditions and measured ground stress data of the underground powerhouse of a pumped storage station, this paper analyzes the distribution characteristics of ground stress in underground powerhouse area. Based on this, a three-dimensional finite element model is established. By using ABAQUS numerical calculation software The ground stress field in the underground workshop area is inverted and analyzed, and the underground plant area and the initial geostress field distribution are obtained.