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隧道建设(中英文) ›› 2020, Vol. 40 ›› Issue (4): 603-610.DOI: 10.3973/j.issn.2096-4498.2020.04.019

• 典型工程 • 上一篇    下一篇

Key Construction Technologies for Immersed Tunnel of Shenzhen-Zhongshan Link(深中通道沉管隧道主要建造技术)

CHEN Yue, CHEN Weile, SONG Shenyou, LIU Jian, JIN Wenlian   

  1. (Shenzhen-Zhongshan Link Administration Center, Zhongshan 528400, Guangdong, China)
  • 收稿日期:2019-01-31 出版日期:2020-04-20 发布日期:2020-04-30
  • 作者简介:陈越(1965—), 男, 广东广州人, 1987 年毕业于华南工学院, 工民建专业, 本科, 教授级高级工程师, 现从事隧道及地下工程技术 管理工作。E-mail: 18998168968@ 189. cn。

深中通道沉管隧道主要建造技术

陈 越, 陈伟乐, 宋神友, 刘 健, 金文良   

  1. (深中通道管理中心, 广东 中山 528400)
  • Received:2019-01-31 Online:2020-04-20 Published:2020-04-30

摘要:

深圳至中山跨江通道是国家高速公路网G2518 跨越珠江口的关键性工程,通过多方案比选,确定了桥、岛、隧组合的设计方案。项目线路全长约24 km,按双向8 车道高速公路设计;其中,线路长度为6 845 m 的水下隧道采用沉管法建造技术。通过试验研究和分析论证,确定矩形钢壳混凝土组合结构、先铺法基础碎石垫层、水下深层水泥搅拌桩的基础处理等关键技术的技术要求和施工工艺,并研发管节浮运安装一体船等施工专用设备。

关键词: 深中通道, 沉管隧道, 钢-混凝土复合结构, 基础处理, 专用施工设备

Abstract:

Shenzhen-Zhongshan Crossing-river Link ( Shen-Zhong Link) is the key project in G2518 of National Expressway Network, across the Pearl River Estuary. Shen-Zhong Link is a mega project integrating bridges, artificial islands, tunnel, and underwater interchanges, which is built according to the standard for bi-direction eight-lane expressways. The total length of the project is 24 km, of which the tunnel is 6 845 m long, constructed by immersed tube method. Through experimental researches, analysis and demonstration, the technological requirements and construction process for the steel-concrete-steel composite structure of the rectangular immersed tube, the pre-laid gravel cushion and the underwater deep cement mixing (DCM) pile foundation treatment. In addition, a series of special construction equipment, such as the self-propelled huge barge integrated with the floating, towing, immersion and installation functions is developed.

Key words: Shenzhen-Zhongshan Link, immersed tunnel, steel-concrete-steel composite structure, foundation treatment, special construction equipment

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