软弱围岩浅埋大跨隧道施工技术  

Construction technology of shallow burying big span tunnel in soft and weak surrounding rock

作　　者：朱亮来[1] 

机构地区：[1]北方交通大学土木建筑学院，北京 100044

出　　处：《焦作工学院学报》2002年第3期235-237,共3页Journal of Jiaozuo Institute of Technology(Natural Science)

摘　　要：杭州绕城北线高速公路黄鹤山隧道进出口端浅埋分别采用双侧壁导坑法及微台阶法进行施工 ,作者对二者的优越性作了对比分析 ,同时对施工过程中易出现的问题提出了相应的解决办法 ,可为以后大跨度位于软弱浅埋围岩中的隧道施工与设计提供参考 .This paper mainly describes the construction methods of both?side leading pit and microbench in the inlet and outlet of Huangheshan Tunnel of the north line highway in Raocheng of Hangzhou,and makes a comparison of the superiority of both methods.At the same time,the corresponding solutions to the problems that often arises from the construction process are put forward,which can be used in the construction and design of the shallow burying big span tunnel in soft and weak surrounding rock.

关 键 词：施工技术 软弱围岩 隧道 双侧壁导坑法 微台阶法 施工工艺 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]