西铁车2号隧道特殊地质段施工技术

摘要

结合西铁车2号隧道不良地质段的工程概况，对工程施工的重难点进行了分析，介绍了岩爆、大变形、突泥及涌水地段的施工方案，指出对特殊地质段施工，应当提前进行地质调查，并针对特殊地质状况制定与其地质条件相适应的施工方案。%Combininf with enfineerinf conditions of poor feolofical tunnel section west rail car No. 2 tunnel,the paper analyzes the enfineerinf construction points and difficulties,introduces the construction scheme of roc-burst,larfe deformation,mud burstinf and water burstinf sections, and finally points out that:it is necessary to formulate suitable construction scheme in lifht of special feolofical conditions in the premise of carry-inf out feolofical investifation.