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《Journal of Yangtze River Scientific Research Institute》 2008-05
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FEM Regression Analysis of In-situ Stress Field For Qingyuan Pumped Storage Power Plant

GUO Xi-feng,YIN Jian-min,LIU Yuan-kun,AI Kai(Key Laboratory of Geotechnical Mechanics and Engineering of the Ministry of Water Resources,Yangtze River Scientific Research Institute,Wuhan 430010,China)  
How to determine the in-situ stress field available for the engineering practice is an urgent practical problem of the geotechnical engineering.In tests,different boundary loads are exerted on the 3-D FEM geological model of Qingyuan Pumped Storage Power Plant in order to simulate the in-situ stress owing to diverse influence factors.And then on the basis of the field measured in-situ stress data,in-situ stress field in the whole rock mass including the major project locations is obtained by the inversion method of multivariate regression.
【Fund】: 国家自然科学基金委员会、二滩水电开发有限责任公司雅砻江水电开发联合研究基金重点项目(50639090)
【CateGory Index】: TU452
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