摘要
雪峰山特长公路隧道在施工中采用先治水后开挖,超前预支护技术成功地在该隧道软弱围岩段展开了全断面施工;采用简便快捷的混合通风方式提高了通风效率,加快了施工进度,满足了该隧道优质高效的建设要求。
The Xuefengshan extra-long highway tunnel project adopts construction technology of excavation after water control and prior support, successfully undertaking rock full-section construction in soft surrounding. Simple mixed ventilation technique improves ventilation efficiency and enhances construction progress. The adoption of above mentioned technology meets the construction requirements of high quality and efficiency.
出处
《铁道建筑技术》
2007年第3期36-38,共3页
Railway Construction Technology
关键词
公路特长隧道
软弱围岩
全断面开挖
highway extra-long tunnel
soft rock surroundings
full section excavation
