摘要
以新建向莆铁路线戴云山隧道进口燕尾大跨段隧道施工为例,根据工程特点,选择了三台阶七步法施工技术,并详细介绍了该方法的施工工艺。实践证明该技术较好地完成了项目的施工建设任务,取得了良好的应用效果。
Taking the tunnel construction of Daiyun mountain tunnel coattail large-span segment of Xiangpu railway line rebuilt project as an example,according to the features of the project,the paper chooses three-stage and seven-step construction technique,and introduces the construction process in detail.The practice proves that this technology has completed the project construction tasks and achieved good application effects.
关键词
燕尾段
铁路隧道
瓦斯
施工技术
coattail segment
railway tunnel
gas
construction technology