盾构安全进洞技术  

Holing Through Technique of Shields

作　　者：崔腾跃[1] 宁萌[1] 

机构地区：[1]中国石油天然气管道局第四工程分公司,河北廊坊065000

出　　处：《施工技术》2013年第S2期234-236,共3页Construction Technology

摘　　要：主要介绍了泥水加压平衡式盾构进洞时土体加固、基座定位、洞门密封止水等施工方法,以南坦海盾构穿越工程实例,对盾构进洞技术进行剖析,避免引发涌水、涌砂事故风险,确保盾构进洞安全。This paper introduces some construction methods during holing through shield with slurry and pressure balance, including soil reinforcement,base positioning,water seal. Based on Nantanhai shield tunneling engineering,this paper analyzes holing through technique,avoiding water gushing and sand gushing,which ensures the safety of shield tunneling.

关 键 词：盾构 加固 基座 施工技术 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]