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初始地应力场是大型地下厂房设计施工的基础资料。本文根据鲁布革工程厂房区的地质地形条件,勘测试验资料和实测地应力值,用有限单元法和多元回归分析求解地应力场,并对地应力场的特征进行了成因上的分析。 所得成果在地下厂房的方案选型和围岩稳定分析中得到应用。
The initial stress field is the basic data for the design and construction of large-scale underground powerhouses. Based on the geological and topographical conditions of the Lubuge project area, the survey data and the measured ground stress values, the finite element method and multivariate regression analysis are used to solve the geostress field and the characteristics of the geostress field are analyzed. The results obtained have been applied to the selection of types of underground powerhouses and the stability analysis of surrounding rocks.