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隧道建设(中英文) ›› 2014, Vol. 34 ›› Issue (4): 374-379.DOI: 10.3973/j.issn.1672-741X.2014.04.014

• 施工技术 • 上一篇    下一篇

深圳地铁11号线车公庙站—红树湾站区间盾构隧道小净距上穿既有线区间隧道施工关键技术

李建设1,陈慧超2, 李政2   

  1. (1.中铁隧道集团有限公司, 河南 洛阳 471009; 2.中铁隧道股份有限公司, 河南 郑州 450003)
  • 收稿日期:2013-12-25 修回日期:2014-03-10 出版日期:2014-04-20 发布日期:2014-04-25
  • 作者简介:李建设(1979—),男,河南开封人,2004年毕业于石家庄铁道学院,土木工程专业,本科,工程师,现从事隧道及地下工程技术管理工作。

Key Construction Technologies for Shieldbored Tunnel of Chegongmiao StationHongshuwan Station Section on No. 11 Line of Shenzhen Metro Crossing Closely above Existing Metro Line

LI Jianshe1, CHEN Huichao2, LI Zheng2   

  1. (1. China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China; 2. China Railway Tunnel Stock Co., Ltd., Zhengzhou 450003, Henan, China)
  • Received:2013-12-25 Revised:2014-03-10 Online:2014-04-20 Published:2014-04-25

摘要:

新建隧道近距离穿越既有地铁结构施工已成为城市地铁工程建设中的一种常见情况,如何有效地控制既有线的变形已成为目前研究的热点问题。以深圳地铁11号线车公庙站—红树湾站盾构区间小净距(1.5 m)上穿既有运营1号线竹子林站—侨城东站区间为例,采用既有线上方地层加固技术、上穿段盾构掘进控制技术和既有结构监测施工技术,有效地控制了既有结构的变形,确保盾构施工安全和既有地铁的正常运营。

关键词: 深圳地铁, 盾构隧道, 既有隧道, 小净距, 地层加固, 掘进控制, 监控量测

Abstract:

In recent years, it is normal that tunnels under construction cross closely above existing Metro structure in urban areas. As a result, studies on the control of the deformation of the existing structure become a hot topic. In the construction of the shieldbored tunnel of Chegongmiao stationHongshuwan station section on No. 11 line of Shenzhen Metro, which crosses closely above the existing Zhuzilin stationQiaochengdong station of No. 1 line of Shenzhen Metro, technologies, such as reinforcement of ground above the existing Metro line, shield boring control technology and existing structure monitoring technology, are used. In the end, the deformation of the existing structure has been brought under effective control, and the safety of the shieldbored tunnel and the operation of the existing Metro line have been guaranteed.

Key words: Shenzhen Metro, shieldbored tunnel, existing tunnel, small spacing, ground reinforcement, boring control, monitoring