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过河平洞掘进经验陈光孝（水利水电部昆明水电勘测设计研究院昆明岩土工程公司）１概况鲁布革水电站位于我国云南、贵州两省交界处黄泥河的高山峡谷中。出露的地层为三迭系永宁镇组（Ｔ１ｙ）和关岭组（Ｔ２ｇ）白云岩、石灰岩及泥质岩层。区内岩溶不很发育，地表有溶洞（...
Experience in tunneling through Hepingcai Chen Guangxiao (Kunming Institute of Geotechnical Engineering, Kunming Institute of Hydropower Design, Ministry of Water Conservancy and Hydropower) 1 Overview The Lubuge Hydropower Station is located in the alluvial canyon of Huangnihe at the junction of Yunnan and Guizhou provinces of our country. The exposed strata are the Triassic Yongningzhen Formation (T1y) and the Guanling Formation (T2g) dolomite, limestone and argillaceous formations. The karst area is not very developed, there are karst caves (...