铁道标准设计2017，Vol.61Issue(10)：95-99,5.DOI:10.13238/j.issn.1004-2954.2017.10.020
流变效应作用下高地应力铁路软岩隧道衬砌结构长期稳定性研究
Study on Long Term Stability of Tunnel Lining Structure in High Stress Soft Rock Tunnel under the Effect of Rheology
摘要
Abstract
High stress soft rock has the characteristics of great deformation,fast deformation rate,long duration and strong rheological property.The surrounding rock of rheological property has great influence on the long-term stability of lining structure.In this paper,Muzhailing railway tunnel is referenced and Burgers rheological model is used to analyze the changing law of the supporting structure stress over time in different rheological periods.The results show that:(1) Burgers model can better demonstrate surrounding rock rheological properties;(2) the current supporting structure of Muzhailing Tunnel is subject to greater risk of crushing and cracking in a few years time;(3) the reduction of rheological properties and improvement of surrounding rock strength should depend on the change of surrounding rack rheological properties.关键词
高地应力/软岩/铁路隧道/流变/伯格斯模型/长期稳定性Key words
High ground stress/Soft rock/Railway tunnel/Rheological/Burgers model/Long-term stability分类
交通工程引用本文复制引用
师亚龙,郑波,刘志强,陈礼伟,裴涛涛,邢晓飞..流变效应作用下高地应力铁路软岩隧道衬砌结构长期稳定性研究[J].铁道标准设计,2017,61(10):95-99,5.基金项目
铁道部科技研究开发计划课题(2009G009-B) （2009G009-B）
