摘要
本文主要论述了粘土岩层的大断面隧洞工程的相关概念、大断面隧洞的地质条件、大断面隧洞工程的开挖方法以及问题，还有大断面隧洞的支护问题。
This paper mainly discusses the related concepts of thelarge section tunnel engineering of clay strata, large section tunnel geological conditions, the large section tunnel excava-tion methods and problems, and large section tunnel support problems.
出处
《城市建筑》
2014年第9期115-115,共1页
Urbanism and Architecture
关键词
隧洞工程
地质
开挖
支护
tunnel engineering
geology
excavation
support
