摘要
受工程地质条件、水文地质条件及人为因素等的影响,公路隧道洞口施工过程中易发生洞口滑坡。综合连霍国道主干线宝鸡天水高速公路码头隧道洞口滑坡的形成特点、工程地质及水文地质特征,采用非线性有限元法对该洞口滑坡进行了分析,探讨了变形和塑性区分布特征,得到了滑面位置,提出了加固治理方案,为今后类似工程提供参考与借鉴。
Landslide is easy to occur at the tunnel portal due to the engineering geological condition,hydrogeological condition and some human activities.Taking into account the landslide formation feature,the geological condition as well as hydrogeological condition of Matou tunnel of Baoji-Tianshui Expressway,the landslide of tunnel portal is analyzed by using nonlinear finite element method.The deformation characteristics and the distribution of plastic zones are obtained,and the sliding surface position is decided.Finally,the reinforcement scheme is proposed.This study can offer a reference for similar engineerings.
作者
张伟
焦玉勇
郭小红
ZHANG Wei;JIAO Yu-yong;GUO Xiao-hong(State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071,China;CCCC Second Highway Consultants Co.Ltd.,Wuhan 430056,China)
出处
《岩土力学》
EI
CAS
CSCD
北大核心
2008年第S01期311-314,共4页
Rock and Soil Mechanics
基金
国家自然科学基金资助项目(No.50479071,No.40672191)。
关键词
洞口滑坡
边坡稳定性分析
有限元
预应力锚索抗滑桩
landslide of tunnel portal
slope stability analysis
finite elements
prestressed anti-slide pile
作者简介
张伟,男,1985年生,硕士研究生,主要从事隧道及岩石力学数值计算方面的科研。E-mail:z1985w@126.com
