复杂特殊地质特大断面导流隧洞施工技术  

Large Section Diversion Tunnel Construction Technology Research Under the Complex Special Geological Conditions

作　　者：卢平[1] 朱记伟[1] 刘建林[1,2] 

机构地区：[1]西安理工大学,西安710048 [2]陕西省商洛市商洛学院,陕西商洛726000

出　　处：《中国农村水利水电》2016年第4期130-132,139,共4页China Rural Water and Hydropower

基　　金：国家自然科学基金项目(41372304);陕西省水利科技项目(2013slkj-05)

摘　　要：特大断面导流隧洞施工过程受到工程所处围岩性质、地质条件的影响严重。在分析复杂特殊地质条件下特大断面导流隧洞的施工难点与存在问题基础上,分类总结了导流隧洞在不同复杂地质条件下的开挖方法有超前导洞法、预留核心土法、台阶开挖法、分层分部开挖法,支护方法有联合支护和超前支护,并结合实际应用对以上施工方法和施工工艺进行了阐述,以期为今后类似复杂地质特大断面导流隧洞施工提供借鉴和参考。The serious effects of the large section diversion tunnel construction process by engineering the rock properties,geological conditions.Based on an analysis of large section diversion tunnel construction difficulties and existing problems,under complex special geological conditions,the excavation and support methods of diversion tunnel under different complicated geological conditions are summarized.The excavation method consists of super leading holes,reservation core soil method,bench cut method and layered excavation method,the support method includes combined support and advanced support,and combined with the practical application,has elaborated on the above construction method and construction process in order to provide a reference for large section diversion tunnel construction of future similar complex geological conditions.

关 键 词：导流隧洞 特大断面 复杂特殊地质 开挖支护技术 

分 类 号：TV551[水利工程—水利水电工程]