小间距隧道——大尖岭隧道的支护设计与施工

A Short Space Tunnel--The Lining Design and Construction of Dajianling Tunnel

大尖岭隧道属广东省西部沿海高速公路(珠海—阳江)珠海金鼎至新会古井段的一座小间距长隧道,开挖后的净距小于一倍隧道开挖宽度。文中简要介绍大尖岭隧道支护设计及施工主要注意事项。

Dajianling tunnel,a short space long tunnel, is a part of the west seaboard expressway (Zhuhai to Yangjiang)of Guangdong Province (Zhuhai Jingding to Xinhui Gujing part).After excavation,the net space of two tunnels is less than tunnel excavation width. This paper summarizes the lining design of Dajianling Tunnel and some items which should be attached attention to in the construction.