富水软弱隧道围岩工后软化效应分析及其控制措施研究  

Study on Softening Effect of Water-Rich Soft Rock Mass around the Tunnel and Its Control Measures

作　　者：陈国中 徐前卫[2] 程盼盼[2] 董继涛 吴永波 

机构地区：[1]中铁七局集团第二工程有限公司,陕西西安7100321 [2]同济大学道路与交通工程教育部重点实验室,上海201804

出　　处：《华东交通大学学报》2017年第1期67-72,共6页Journal of East China Jiaotong University

摘　　要：南华一号隧道穿越地层以富水软岩为主,为确保隧道安全施工,以此工程为研究背景,对富水软弱隧道围岩的软化效应及其控制措施进行了研究。首先,采用数值模拟分析了隧底围岩遇水软化后对围岩及支护结构稳定性的影响,并在此基础上提出了相关控制措施;随后,结合现场监测对相关控制措施的合理性进行了验证。Nanhua No.1 Tunnel is mainly constructed in water-rich as well as weak rock mass. In order to ensure the safety of Nanhua No.1 tunnel, this paper carries out a series of researches on the softening effect of wa- ter-rich soft rock mass and its control measures. Firstly, numerical simulation is conducted to analyze the soften- ing effect of soft rock mass, and then control measures are proposed according to the calculation results. Finally, field monitoring results are analyzed to verify the reasonability of the construction control measures.

关 键 词：隧道 地下水 软化效应 控制措施 

分 类 号：U25[交通运输工程—道路与铁道工程]