扩大弧形导坑分部开挖法在旦架哨隧道的应用  

Application of Enlarged Partial Excavation Method of Arc Pilot Hole to Danjiashao Tunnel

作　　者：尹雪辉[1] 朱乐辉[1] 梁宪纲[1] 

机构地区：[1]广东省长大公路工程有限公司,广州市510075

出　　处：《公路》2002年第6期14-17,共4页Highway

摘　　要：介绍旦架哨隧道掘砌施工 ,在软岩、大跨复杂工程地质条件下 ,采用扩大弧形导坑分部开挖法 ,灵活运用传统施工工艺 ,取得了良好的综合效益。The excavation and lining construction of Danjiashao Tunnel are introduced in this paper. Under the complicated engineering geological condition, the enlarged partial excavation method of arc pilot hole and the traditional construction technology are accepted and the better comprehensive benefit achieved.

关 键 词：扩大弧形导坑分部开挖法 旦架哨隧道 软岩大跨 施工工艺 公路隧道 

分 类 号：U455.49[建筑科学—桥梁与隧道工程] U459.2[交通运输工程—道路与铁道工程]