Numerical analysis of construction method of
Jiuhua Mountain twin-arch tunnel in Nanjing

JIN Feng-nian; JIA Jin-gang; JIANG Mei-rong; ZHOU Jian-min; WANG Bo; ZHOU Jian-nan

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Numerical analysis of construction method of Jiuhua Mountain twin-arch tunnel in Nanjing

更新时间：2026-06-25

- Numerical analysis of construction method of Jiuhua Mountain twin-arch tunnel in Nanjing
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  解放军理工大学工程兵工程学院,南京,210007
- 作者简介：
- 基金信息：
- DOI：
  CLC： U45
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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JIN Feng-nian, JIA Jin-gang, JIANG Mei-rong, et al. Numerical analysis of construction method of Jiuhua Mountain twin-arch tunnel in Nanjing[J]. 2006, 27(S1).
DOI：

JIN Feng-nian, JIA Jin-gang, JIANG Mei-rong, et al. Numerical analysis of construction method of Jiuhua Mountain twin-arch tunnel in Nanjing[J]. 2006, 27(S1). DOI：

摘要

通过有限元计算，模拟了两种开挖顺序，获得了该隧道在采用不同开挖顺序施工时各阶段围岩的应力、位移状态和地表沉降。通过对比分析，得出采用三导洞开挖方案效果比较好，为该公路连拱隧道采用的施工方法提供了科学依据与技术指导。

Abstract

The process of construction of Jiuhua Mountain Twin-Arch Tunnel has been simulated with the FEM program. Two excavation methods are simulated; and the stress state and displacement of the surrounding rock during each period of construction are obtained by 2D calculation. The solution that the

three-pilot-tunnel excavation method is better

is obtained by contrasting and analyzing. This analysis provides scientific basis and technical guidance for the construction of Jiuhua Mountain Twin-Arch Tunnel.

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