本文的研究结论可供确定导洞的开挖顺序及开挖方案提供参考。
The research conclusion of this thesis can be taken as a reference for determining excavation order and excavation scheme of pilot tunnels.
在许多隧道工程中，经如辛普龙大隧道，都要在隧道全面开挖前打一个导洞。
In many projects, like the Simplon, for example, a small pilot tunnel is driven before the full diameter of the tunnel is excavated.
实测数据表明：施工引起的既有地铁隧道结构变形以沉降为主，沉降主要发生在导洞施工阶段；
The monitoring data show that the structural settlement is the prominent response style of the existing subways, and the settlement mainly happens during the pilot-drift construction.
应用有限元数值方法，对连拱隧道“三导洞法”施工时围岩和结构的受力、变形规律进行了分析。在两正洞拱部施工的时候，左右洞拱顶沉降约占最终沉降的70%。
The regularity of stress and strain of surrounding rock and support structure when using(3-heading) excavation method to construct double-arc tunnel is carried out by FEM numerical method.
文章介绍了越岭隧道的长斜井、深竖井、平导、横洞的设计和施工情况。
The paper reviews the design and construction of the long inclined shafts, the deep vertical shaft, the parallel adit and the access adit for the tunnel.
文章介绍了越岭隧道的长斜井、深竖井、平导、横洞的设计和施工情况。
The paper reviews the design and construction of the long inclined shafts, the deep vertical shaft, the parallel adit and the access adit for the tunnel.
应用推荐