Study on reasonable cover thickness for submarine tunnel in Chongqing

LIU Yuan-xue; JIANG Shu-ping; WANG Pei-yong; XIE Feng

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Study on reasonable cover thickness for submarine tunnel in Chongqing

更新时间：2026-06-25

- Study on reasonable cover thickness for submarine tunnel in Chongqing
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  1. 后勤工程学院建筑工程系,重庆,400041
  2. 重庆交通科研设计院,重庆,400067
  3. ．重庆交通大学土木建筑学院,重庆,400074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU45
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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LIU Yuan-xue, JIANG Shu-ping, WANG Pei-yong, et al. Study on reasonable cover thickness for submarine tunnel in Chongqing[J]. 2006, 27(S2).
DOI：

LIU Yuan-xue, JIANG Shu-ping, WANG Pei-yong, et al. Study on reasonable cover thickness for submarine tunnel in Chongqing[J]. 2006, 27(S2). DOI：

摘要

重庆市拟通过朝天门两江隧道等来实现渝中半岛、江北城和南岸弹子石三地之间的快捷连接。江底隧道的覆盖层厚度十分重要。如果覆盖层厚度太小，江底隧道工作面就有面临严重的失稳问题和江水涌入的危险，会使辅助工法的投入增大，另一方面覆盖层厚度太大将增加江底隧道的长度、坡度与造价。分别采用工程类比法与数值模拟法确定了重庆市朝天门两江隧道越江段钻爆法施工的合理覆盖层厚度。

Abstract

The express communication between Yu-zhong peninsula

Jiangbei District and Nanan District will be established by the submarine tunnel of Chaotianmen in Chongqing. The determination of the cover thickness of the submarine tunnel is very important

because it will be very dangerous if the cover thickness is too small; whereas the length

slope gradient and cost will be increased if a larger cover thickness is chosen. The reasonable cover thickness for submarine Tunnel of Chaotianmen in Chongqing is determined by engineering analogism and numerical simulation.

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