Mechanical Analysis of Large Section Multi-arch Road Tunnel Constructed without Advancing Middle Drift

摘要：

Against the shortcoming of large section multi-arch highway tunnel constructed with three or middle advancing drift which needs excessive construction process and temporary support, based on the practice engineering of Yangqiangou multi-arch road tunnel, a method constructed without advancing drift is firstly put forward. On the basis of elastic-plastic FEM, the construction process is analyzed. The stress and strain field of surrounding rock and support is obtained. The analysis results show that surrounding rock and the support system are stability, which provide a scientific basis and technical guidance for the construction optimization of multi-arch road tunnels.

关键词： construction without advancing middle drift multi-arch Road tunnel numerical simulation stability of surrounding rock

作者: Tong Liu Zichao Dong

作者单位: Department of Mechanic, School of Science Xian University of Architecture and Technology Xian, Shaanxi Province, 710055,China

会议类型: 国际会议

会议名称: 2010 International Conference on Measurement and Control Engineering(2010年IEEE测量与控制工程国际会议 ICMCE2010)

会议地点: 成都

会议语种:英文

页码: 603-606

在线出版日期: 2010-11-16（万方平台首次上网日期，不代表论文的发表时间）