破碎介质中隧道围岩应力有限元分析  

Finite Element Analyses of Surrounding Rock Stress of Tunnel in the Fractured Wall

作　　者：苏惠[1] 

机构地区：[1]陕西铁路工程职业技术学院,陕西渭南714000

出　　处：《石家庄铁路职业技术学院学报》2011年第1期76-79,共4页Journal of Shijiazhuang Institute of Railway Technology

摘　　要：运用有限元法的基本原理,对破碎介质中隧道围岩应力状态进行数值模拟,分析不同材料加固参数对围岩应力状态的影响。并将围岩垂直应力的数值解与按规范规定的简化公式求得的结果进行了比较,得到该隧道围岩应力的一些分布规律,为今后类似工程项目的施工提供参考依据。According to the basic principle of finite element method,the stress condition of surrounding rock of tunnel in the fractured wall was numerically simulated and the influence of different materials parameters on the stress condition of surrounding rock was analyzed.The results were compared with those from the simplified formulas of norm.Some distributing rules of surrounding rock stress were included to provide the reference for the other similar project construction.

关 键 词：隧道 有限元 围岩应力 破碎介质围岩 

分 类 号：U452[建筑科学—桥梁与隧道工程]