摘要
浅埋偏压隧道开挖后的受力和变形都是不对称的,而且在开挖时易出现塌方,对设计和施工带来许多麻烦.结合现场监测的数据和Flac3d有限元软件,从实际数据着手分析,结合有限元软件模拟和分析隧道围岩应力和位移变化特征,为设计和施工提供参考.
After excavation,the stress and deformation of the shallow bias tunnel are asymmetrical,and the excavation is easy to collapse,causing a lot of trouble to the design and construction.On the basis of the site monitored data and the finite element analysis software Flac3D,the charateristics of the tunnel surrounding rock stress and displacement variation are simulated and analysed,which provides reference to the design and construction.
出处
《兰州交通大学学报》
CAS
2012年第1期43-46,51,共5页
Journal of Lanzhou Jiaotong University
关键词
浅埋偏压隧道
围岩应力
围岩位移
数值模拟
shallow buried bias-voltage tunnel
surrounding rock stress
displacement of surrounding
numerical simulation
