Engineering geomechanical analysis and monitoring-control in design and construction of the Wuqiangxi ship lock slope,China |
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| Institution: | 1. Engineering Geomechanics Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, People''s Republic of China;2. Mid-South Institute for Design of Hydroelectric Projects, Ministry of Electric Power, Changsha 410014, People''s Republic of China;1. Center for Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin, TX 78712, USA;2. Department of Energy and Resources Engineering, Kangwon National University, Chuncheon, Kangwon, Republic of Korea;3. Department of Energy and Resources Engineering, Chosun University, Gwangju, Republic of Korea;4. Department of Energy Systems Engineering, Seoul National University, Seoul, Republic of Korea;1. INSERM U970, Paris Cardiovascular Research Centre, Paris, France;2. Université Paris-Descartes, Paris, France;3. Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD;4. Department of Pharmaceutical Chemistry, University of California, San Francisco, CA;5. Department of Early Discovery Biochemistry, Genentech Inc., South San Francisco, CA |
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| Abstract: | The Wuqiangxi Hydroelectric Power Station is located on the Yuan River in Hunan Province, Central China. Phyllitic slates (Pt1) and sandstones (Pt2) occurring on the left bank of the river belong to the Wuqiangxi Formation, the Shangbanxi Group of Pre-Sinian. The slope is intersected by a number of major faults, and rocks are intensely weathered. These factors make the engineering geological situation there unfavorable to the ship lock slope stability. The ship lock slope is threatened under landslides during deep excavation involved in the construction. In order to prevent the excavation of the slope and pouring concrete from failing, a technique of the Monitoring-Control in Design for Geotechnical Engineering (MCGE) was proposed and developed. Consequently, the slope passed smoothly through the excavation and afterward construction stages. This proves that the technique suggested is reasonable and applicable. |
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