- LIU Qiang
LIU Qiang
Faculty of Engineering, China University of Geosciences
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Search for this author on this site - WU Wen-bing
WU Wen-bing
Faculty of Engineering, China University of Geosciences
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Search for this author on this site - DUAN Long-chen
DUAN Long-chen
Faculty of Engineering, China University of Geosciences
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Faculty of Engineering, China University of Geosciences,Faculty of Engineering, China University of Geosciences,Faculty of Engineering, China University of Geosciences
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Multiple joints such as fault F13 developed in K1 350～400 of a diversion tunnel of hydropower station in the southwest, which was deep-buried with high crustal stress and complex geological conditions. Using three-dimensional discrete element software 3DEC, the numerical simulation on the diversion tunnel is conducted combining with field monitoring data to analyze the stability of surrounding rock. The results show that the stability of surrounding rock is mainly controlled by the structural plane. There are many fall-blocks at the lower right spandrel with larger displacement. After being supported, the surrounding rock stability of the diversion tunnel is strengthened.
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History
- Received:May 19,2014
- Revised:May 19,2014
- Adopted:July 21,2014
- Online: December 03,2014
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