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《Northwest Hydropower》 2015-05
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Analysis on Stability of Surrounding Rock of Underground Cavern

GAO Kai;WANG Lin-wei;GUO Jian-hong;POWERCHINA Northwest Engineering Corporation Limited;  
Based on data of geological investigation and design of the underground cavern of one hydropower project in Yunnan province,its3 D geological model is built with ANSYS. By the value simulation calculation of FLAC3 D,the change characteristics of stress field,strain field and plastic failure zone of the surrounding rock of the underground cavern during excavation and after support are studied systematically.Meanwhile,the stability of the surrounding rock is assessed. This study provides the cavern design with scientific basis and technical guidance.
【CateGory Index】: TV223
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