新白石岩隧道施工探讨

Discussion on Construction of New Baishiyan Tunnel

本文以新白石岩隧道施工为例,讨论隧道施工的组织设计工作,详细分析新白石岩隧道施工时的关键技术及施工组织流程。该隧道处于中山峡谷地貌,横坡较陡,隧道洞身穿越周围岩体破碎,存在多种不良地质。受水文地貌影响,该处隧道浅埋段易出现涌水、涌泥、塌顶等事故,工程地质条件差。希望本次施工经验可为其他复杂地质隧道施工提供一定参考与借鉴。

Taking the construction of New Baishiyan Tunnel as an example,this paper discusses the implementation organization and design work of tunnel construction,and analyzes the key technologies and construction organization process used in the construction of New Baishiyan Tunnel in detail.The tunnel is located in the middle mountain canyon landform,the transverse slope is steep,the tunnel passes through the surrounding rock mass broken,there are a variety of bad geology,affected by the hydrogeomorphology,the shallow buried section of the tunnel is prone to water gushing,mud gushing,roof collapse and other accidents,and the engineering geological conditions are poor.It is hoped that this construction experience can provide some reference for other complex geological tunnel construction.