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Construction Technology for Treatment of Rushing Mud in Lazhidong Tunnel Karst Cave
Author(s): 
Pages: 87-90
Year: Issue:  z2
Journal: RAILWAY STANDARD DESIGN

Keyword:  铁路隧道溶洞突泥施工;
Abstract: 拉之洞隧道是黔桂铁路扩能工程QG3标段新建主要工程项目之一.隧道在DK174+610工作面突然发生罕见的涌泥自然灾害,现场通过综合超前地质预报,采用炮震引泥、机械清泥的方法进行突泥处理,并成功实施钢结构防护台车浇筑混凝土护拱方案,安全顺利通过大型溶洞.对隧道溶洞突泥处理施工技术进行详细介绍.
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