水电部《地下洞室围岩稳定的地质研究和围岩分类》,是国家“六五”重点科技攻关项目《水电站大型地下洞室围岩稳定和支护的研究和实践》的一个子项课题。该课题由水电部昆明、黄委、东北、贵阳、成都等勘测设计院和西南交大、长办第四勘测队等单 Ministry of Water and Electricity, “Geological Research and Surrounding Rock Classification of Surrounding Rock Stabilization of Underground Caverns” is a subproject of “6th Five-Year Plan” key scientific and technological project “Research and Practice on Stability and Support of Surrounding Rocks in Large Underground Caverns of Hydropower Station” . The subject by the Ministry of Water, Kunming, the Yellow Committee, Northeast, Guiyang, Chengdu, such as survey and Design Institute and the Southwest Jiaotong University, Changban fourth survey team and other single