溪洛渡水电站左岸地下厂房大跨度高边墙开挖施工技术  

Excavation Techniques of Large-span and High Sidewall of Left-bank Underground Powerhouse of Xiluodu Hydropower Station

作　　者：李友华 黄应军 李景元 

机构地区：[1]中国葛洲坝集团股份有限公司溪洛渡施工局,云南永善657300

出　　处：《水力发电》2008年第9期9-11,14,共4页Water Power

摘　　要：结合溪洛渡水电站左岸地下厂房系统前期开挖支护施工,分析了地下厂房施工通道布置、开挖分层以合以及顶拱层、岩壁吊车梁、高边墙穿洞等关键部位的施工特性和施工技术要点,总结了大跨度高边墙地下洞室开挖的关键技术。In combination with the excavation and suppo（t of the left-bank underground powerhouse of Xiluodu Hydropower Station, this paper analyzes access road layout of underground powerhouse and the construction features and key technical points of excavation zoning and upper arch zone, rock anchor beam, high sidewall across the cavern. Then it sums up the key technologies of the excavation of underground caverns with long-span and high sidewall.

关 键 词：地下厂房 开挖施工 围岩稳定 安全监测 关键技术 溪洛渡水电站 

分 类 号：TV554[水利工程—水利水电工程]