【作者】 郭铁柱； 李琦； 宫晓明；

【Author】 Guo Tiezhu;Li Qi;Gong Xiaoming;Beijing Institute of Water;Scientific Research institute of Kunming Hydropower Inverstigation,Design& Research institute,Checc;

【机构】 北京市水利规划设计研究院； 中国水电顾问集团昆明勘测设计研究院科学研究所；

【摘要】 利用南水北调中线西甘池试验洞变形量测数据,采用三维有限差分程序FLAC3D进行反分析计算,所得围岩地质力学参数和现场原位试验结果基本一致,使用的方法和所得结论可用于隧洞围岩稳定计算、优化设计和指导施工。更多还原

【Abstract】 Based on measured deformation data of Xi Gan Chi testing cavern in South-North Water transfer project,back analysis has been carried out by using three-dimensional finite difference procedure FLAC3 D.The obtained mechanical parameters of surrounding rock agree well with in-situ test results.The methods and conclusions in the paper can be used for stability analysis of tunnel,and optimization of design and construction guidance.更多还原