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隧道建设(中英文) ›› 2011, Vol. 31 ›› Issue (3): 364-368.

• 施工技术 • 上一篇    下一篇

引水隧洞双护盾TBM卡机分析及脱困技术

王江   

  1. 中铁第一勘察设计院集团有限公司, 西安 710043
  • 收稿日期:2011-02-28 修回日期:2011-03-12 出版日期:2011-06-20 发布日期:2011-07-08
  • 作者简介:王江(1978—),男,贵州务川人,2001年毕业于中南大学交通土建专业,本科,工程师,主要从事隧道设计工作。

Analysis on Jamming of Doubleshield TBM in Construction of Water Diversion Tunnel and Jamming Releasing Technology

WANG Jiang   

  1. China Railway First Survey and Design Institute Group Co., Ltd., Xi’an 710043, China
  • Received:2011-02-28 Revised:2011-03-12 Online:2011-06-20 Published:2011-07-08

摘要:

在不良地质条件下,引水隧洞采用双护盾TBM施工时易发生卡机事故,严重制约工程进度。结合引水隧洞双护盾TBM施工实践,对不良地质条件下双护盾TBM施工中3种常见的卡机类型进行原因归纳与分析,总结出5种卡机脱困技术,并提出双护盾TBM卡机预防措施。实践证明,相应的脱困技术成功地解决了卡机现象。

关键词: 引水隧洞, 双护盾TBM, 卡机, 脱困, 引水隧洞, 不良地质

Abstract:

The construction schedule is greatly affected due to the jamming of the doubleshield TBM in the construction of the water diversion tunnel in unfavorable geology conditions. The causes for 3 common types of jamming of doubleshield TBM in the construction of the water diversion tunnel of DatongheHuangshuihe Water Transfer Project in unfavorable geology conditions are summarized and analyzed, 5 types of jam releasing technologies are proposed and countermeasures are adviced to prevent jamming of doubleshield TBMs. In the end, the jamming has been successfully released, due to the application of these technologies.

Key words: water diversion tunnel, doubleshield TBM, jamming, jam releasing, water diversion tunnel, unfavorable geology condition