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施工技术

土压平衡盾构机通过溶洞区段的施工技术

  • 代为 ,
  • 周智
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  • 1.中国地质大学(武汉)|武汉430074|2.中铁十一局集团有限公司|武汉430071
代为(1978—)|河南虞城人,2002年毕业于中南大学机械设计制造及其自动化专业|中国地质大学(武汉)建筑与土木工程硕士研究生|工程师|主要从事盾构隧道的施工与技术管理工作。

收稿日期: 2009-03-26

  修回日期: 2009-04-07

  网络出版日期: 2010-04-06

Construction Technology of Earth Pressure Balance Shield Machine
Crossing through Karst Cave Section

  • DAI Wei ,
  • ZHOU Zhi
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  • 1.China University of Geosciences (Wuhan), Wuhan 430074,China|
    2.The 11th Engineering Bureau of China Railway, Wuhan 430071,China

Received date: 2009-03-26

  Revised date: 2009-04-07

  Online published: 2010-04-06

摘要

介绍广州地铁六号线(大坦沙站—如意坊站)盾构区间隧道通过175 m左右的溶洞区段,施工中提前对溶洞进行地表注浆预处理,在盾构机掘进过程中通过优化掘进参数、控制出渣量和注浆量以及渣土改良等措施,顺利通过溶洞区的施工技术。

本文引用格式

代为 , 周智 . 土压平衡盾构机通过溶洞区段的施工技术[J]. 隧道建设, 2009 , 29(增刊1) : 61 -68 . DOI: B

Abstract

About 175m of the shield tunnel on Guangzhou Metro Line 6 (Datansha Station-Ruyifang Station) crosses through Karst cave, and there during the construction, pre-treatment of surface grouting is made to the Karst cave and such measures as boring parameters optimization, residue volume and grouting volume controlling and residue soil improvement are adopted to make sure that the shield machine successfully crosses through the Karst cave. This thesis discusses about these construction technologies.

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