underpass

Construction Technique of Shielding Canopy Disposing Tunnels through Old Highway;

大管棚法处理隧道下穿老公路的施工技术

This paper introduces security evaluation when a tunnel of a New Metro Line goes through an existing Metro station structure.

介绍北京地铁某新建线区间下穿既有地铁车站的安全力学分析。

Research purposes: The purposes are to ensure the construction safety of newly-built tunnel and make(existing) road open to traffic usually while the newly-built tunnel underneath passes existing(tunnel) nearby.

研究方法:针对温福铁路头岭隧道下穿既有高速公路隧道工程的实际情况,结合国内外研究成果和国家现有规程,在分析既有隧道健全度及施工对策的基础上,对交叉点附近新建隧道的施工方案及既有高速公路隧道的监控量测措施进行了分析研究。

The design and construction measures for Congwenmen station pass through the existing subway nearly was presented in this paper.

介绍了北京地铁五号线崇文门车站近距离下穿既有线的设计施工技术措施,采用柱洞法施工工法和大管棚、联合注浆以及远程自动化监测等设计措施,保证了既有线变形在控制标准之内,为类似工程的设计施工提供了一定的经验和思路。

Taking the Xuanwumen Station work in Beijing metro line 4 as example which is beneath and pass through existing subway station its general situations are introduced.

以北京地铁四号线宣武门车站下穿既有地铁车站工程为例 ,介绍了其具体工程概况 ,提出了相应的设计方案。