摘要
结合引洮供水一期总干渠工程8号隧洞进、出口段开挖采用超前管棚预支护施工实例,阐述了超前管棚预支护在软岩隧洞中的施工方法、工艺流程、适用范围及优缺点。
Combining with the construction example of adopting advance support by pipe-shed technique to excavate the inlet and outlet of No.8 tunnel in the first stage project of the main general line of Tao River Diversion Project, the paper expounds the method of this support technique in constructing tunnel located in weak rock layer, the technique procedure, the application scope, its advantage and disadvantage.
出处
《山西水利科技》
2009年第4期20-21,共2页
Shanxi Hydrotechnics
关键词
管棚
软岩隧洞
超前支护
pipe-shed tunnel in weak rock layer advance support
