详情
隧道施工方法分析
2008-07-22
摘 要：文章分析了双侧壁导坑法、CRD、CD、环形开挖预留核心土法、三台阶七步法、普通三台阶法、两台阶法、全断面法和小导洞超前的全断面法，阐明了各自的适用范围和优缺点，指出了三台阶和全断面是大断面隧道最常用的施工方法，而小导洞超前的全断面施工方法对保护开挖轮廓效果最好，具有广阔的发展前景。
Analysis on Tunnel Construction Method
LI Dong-ping
(
Abstract：This paper analyses several tunnel construction methods, such as two-side wall drift heading method, CRD, CD, and so on. Then clarify applicable scope, merits and drawbacks of each method, and points out that three step method and whole section method are the most common methods of large cross-section Tunnel, but the little hole whole section method is the best method to protect the digging adumbration and has capacious foreground.
Key words: large cross-section Tunnel; dig method
