新增斜井在长大隧道中的运用

摘要

以老东山隧道新增斜井为例,详细介绍了该隧道斜井的设置和施工情况,通过分析原有辅助导坑设置情况,给出了新增斜井位置选择及具体施工方案,以期为类似工程积累经验。%Take the new slopes of Laodongshan tunnel for example,this paper detailedly introduced the setting and construction situation of the tunnel slopes,through the analysis of the original auxiliary excavation settings situation,gave position selection and spe