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Treatment for karst system of underground powerhouse of Goupitan Hydropower Station
Author(s): 
Pages: 32-36
Year: Issue:  22
Journal: Yangtze River

Keyword:  地下厂房复杂岩溶系统围岩稳定构皮滩水电站;
Abstract: 构皮滩水电站地下厂房位于强岩溶地区,地质条件复杂,厂房洞室群周边岩溶发育程度及规模为国内外同规模工程中所罕见.根据岩溶的勘测情况,通过洞室群优化布置、岩溶回填加固及加强排水防渗等措施进行综合处理,以提高洞室群围岩稳定性.处理后的监测资料表明,洞室群变位已处于收敛状态,各种支护体系的应力也处于允许应力范围内,目前洞室群处于稳定状态.
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