3-D FLAC application in stability analysis of ventilator chamber of highway tunnel

QIU Xiang-bo; YANG Dong-mei; XU Bang-shu; LI Shu-cai

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3-D FLAC application in stability analysis of ventilator chamber of highway tunnel

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- 3-D FLAC application in stability analysis of ventilator chamber of highway tunnel
- Vol. 24, Issue 5, (2003)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学重点实验室,湖北,武汉,430071
  2. 武汉大学,湖北,武汉,430072
  3. 山东科技大学,山东,泰安,271000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU457
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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QIU Xiang-bo, YANG Dong-mei, XU Bang-shu, et al. 3-D FLAC application in stability analysis of ventilator chamber of highway tunnel[J]. 2003, 24(5).
DOI：

QIU Xiang-bo, YANG Dong-mei, XU Bang-shu, et al. 3-D FLAC application in stability analysis of ventilator chamber of highway tunnel[J]. 2003, 24(5). DOI：

摘要

某大型公路隧道中的通风洞室结构复杂，洞室断面跨度较大、间距较小，因此，设计与施工过程的安全性与稳定性是工程难点，有必要采取有效的数值计算方法和计算模型，对洞室群进行详细的数值模拟分析。稳定性分析采用了目前较先进的三维快速拉格朗日分析（FLAC-3D）方法，该方法采用三维显式有限差分法程序，可较好地模拟岩土的三维力学行为。

Abstract

Safety and stability are very important in designing and constructing complex ventilator chamber for its complex construction

large cross-section and little distance between chambers. It is necessary to adopt an effective and accurate numerical method and a calculation model to analyze underground tunnels. The advanced FLAC-3D method which based on 3-D explicit finite difference method

is adopted to calculate the ventilator chambers of a very long highway tunnel. The result indicates that the FLAC-3D method can be used to simulate three-dimensional mechanical behaviors of rock mass.

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