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隧道建设(中英文) ›› 2013, Vol. 33 ›› Issue (1): 54-58.DOI: 10.3973/j.issn.1672-741X.2013.01.009

• 施工技术 • 上一篇    下一篇

水下超大断面隧道衬砌施工新技术

黄灵强   

  1. (厦门轨道交通集团有限公司, 福建 厦门 361000)
  • 收稿日期:2012-09-03 修回日期:2012-11-29 出版日期:2013-01-20 发布日期:2013-02-06
  • 作者简介:黄灵强(1956—),男,福建厦门人,1981年毕业于厦门工业大学桥隧专业,本科,高级工程师,主要从事市政路桥和轨道交通施工管理和技术工作。

New Technology for Construction of Secondary Lining for Underwater  Tunnel Sections with Superlarge Crosssections

HUANG Lingqiang   

  1. (Xiamen Rail Transit Co., Ltd., Xiamen 361000, Fujian, China)
  • Received:2012-09-03 Revised:2012-11-29 Online:2013-01-20 Published:2013-02-06

摘要:

营盘路湘江隧道主线与匝道分合流段均以暗挖形式设计,地质相当复杂,江底分岔大跨段(A、B型)超大断面采用双侧壁导坑法施工。为了保证施工和初期支护的结构安全,在量测数据反映初期支护安全预警的情况下,传统的衬砌施工方法已经不能满足正常施工状态的需求。本文介绍了一种在保留临时支撑的情况下采用特制异型台车和满堂支架组合联合施工拱墙的新型衬砌施工技术,并对关键技术控制进行了详细阐述。实践证明,不拆支撑采用台车和满堂支架组合施工分岔段二次衬砌的方法是切实有效的,同时也为其他类似工程施工提供参考。

关键词: 水下隧道, 超大断面, 分岔大跨, 衬砌

Abstract:

The bifurcation sections of Yingpanlu Xiangjian River Crossing Tunnel have superlarge crosssections. The bifurcation sections, located in complex geological conditions, are excavated by double side drift method. The conventional lining construction method can not meet the requirements to ensure the safety of the tunnel construction and the primary support.Therefore, a new lining construction technology, that is, installing the secondary lining by means of special lining formwork jumbos and full scaffold system while keeping the temporary support in place, is adopted.In the paper, the new lining construction technology is presented and the key points of the technology are expounded.The practice demonstrates that the new lining construction technology adopted is effective.

Key words: underwater tunnel, superlarge crosssection, bifurcation section, large span, lining