摘要
结合北京地铁6号线南锣鼓巷站主体暗挖段施工实例,介绍了近距离大断面暗挖隧道在复杂地层中下穿危旧民房的施工方法和技术措施。研究在不同施工阶段的受力和影响分析,针对复杂的结构形式、地层围岩条件、施工工况和施工方法,总结施工过程安全控制和关键技术。
Combined the construction examples nanluogu xiang station of Beijing metro line 6 is the main body under- ground , this paper introduces the close of underground run- ning tunnel in complex formation and lower wear dangerous old houses construction methods and technical measures, re- searchs in different construction stages of the stress and im- pact analysis, in view of the complicated structure form, for- mation conditions, construction conditions and construction method of surrounding rock, summarizes the key technology and safety control in the construction process.
关键词
地铁暗挖隧道
下穿民房
施工技术
the subway underground running tunnel
un-der wear houses
the construction technology
