港珠澳海底沉管隧道近陆域段管节防护设计

张志刚; 林巍; 刘晓东; 王勇; 刘洪洲

doi:10.3973/j.issn.1672-741X.2015.11.012

隧道建设 >

2015 , Vol. 35 >Issue 11: 1188 - 1193

DOI: https://doi.org/10.3973/j.issn.1672-741X.2015.11.012

规划与设计

港珠澳海底沉管隧道近陆域段管节防护设计

张志刚 ,
林巍 ,
刘晓东 ,
王勇 ,
刘洪洲

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（中交公路规划设计院有限公司，北京 100088）

张志刚(1977—), 男, 内蒙古凉城人,2007年毕业于北京交通大学,岩土工程专业,博士,高级工程师,现主要从事隧道设计、咨询与研究工作。

收稿日期: 2015-08-13

修回日期: 2015-09-10

网络出版日期: 2015-11-25

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Design of Backfill Protection of Nearland Section of Immersed  Tunnel of HongkongZhuhaiMacao Link

ZHANG Zhigang ,
LIN Wei ,
LIU Xiaodong ,
WANG Yong ,
LIU Hongzhou

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(CCCC Highway Consultants Co., Ltd., Beijing 100088, China)

Received date: 2015-08-13

Revised date: 2015-09-10

Online published: 2015-11-25

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摘要

沉管隧道的回填防护根据功能需求，在纵向上可按照普通段、航道段及近陆域段3个分区进行防护。近陆域段防护需要考虑的影响因素多，且安全风险高，是沉管隧道工程防护设计的重点。以正在建设的港珠澳跨海通道工程中海底沉管隧道近人工岛陆域段的回填防护为研究对象，针对近陆域段采用柔性与刚性2种防护方案进行研究比选，提出适合项目特点的护坦潜堤式柔性防护方案，并详细分析了柔性防护方案的设计细节，通过防撞、防锚及稳定性方面的计算分析以及工程实践，证明这种防护方式是科学合理的。

关键词： 沉管隧道; 近陆域段; 管节防护; 刚性防护; 柔性防护; 防撞; 稳定性

本文引用格式

张志刚 , 林巍 , 刘晓东 , 王勇 , 刘洪洲 . 港珠澳海底沉管隧道近陆域段管节防护设计[J]. 隧道建设, 2015 , 35(11) : 1188 -1193 . DOI: 10.3973/j.issn.1672-741X.2015.11.012

Abstract

Based on the function requirement, the backfill protection of immersed tunnels can be divided into three sections, i.e., normal section, navigation channel section and nearland section. Among these sections, the design of the nearland section is influenced by many factors, therefore it is the key part of the design of the backfill protection of immersed tunnels. In the paper, the backfill protection of the nearartificialisland section of the immersed tunnel of HongkongZhuhaiMacau Link is studied, comparison and contrast is made between flexible protection and rigid protection, and a flexible solution is proposed for the project. Furthermore, the design details of the flexible protection solution are provided. Calculations and tests show that this type of protection is rational and can be used for other similar projects.

Key words： immersed tunnel; nearland section; backfill protection; rigid protection; flexible protection; ship collision; stability

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