摘要
着重讲述了在埋深较大的隧道施工中如何体现保护围岩的理念。阐述了在开挖洞室形成毛洞的施工过程中,初期支护与二次支护的施作中为保护围岩而应该注意的一些要点,以期达到充分发挥围岩自身稳定性的目的。
The question that how to reveal the idea to protect surrounding rock in deep-buried tunnel construction process is mainly discussed,key points should be paid attentions in surrounding rock protection in initial excavation to form unsupported hole,primary support and secondary support stages are elaborated in order to well develop the self-stability of surrounding rock to ensure safety of tunnel.
出处
《山西建筑》
2009年第26期308-309,共2页
Shanxi Architecture
关键词
深埋隧道
支护体系
围岩稳定性
及时支护
deep-buried tunnel
supporting system
stability of surrounding rock
prompt support
