掘进对蒙西煤矿运输顺槽围岩变形的影响
Effect of Excavation to Mengxi Coal Mine Conveying Tunnel Surrounding Rock Deformation
张振东 1张伟2
作者信息
- 1. 沈阳焦煤公司
- 2. 辽宁工程技术大学力学与工程学院
- 折叠
摘要
为了揭示掘进对围岩变形的影响,采用有限差分方法,对蒙西煤矿运输顺槽进行模拟,建立了运输顺槽的三维模型,抽取1、3、5开挖步分析,得到运输顺槽的塑性区图,求解出了位移和应力分布情况。研究结果表明：开挖掘进是围岩变形的影响因素之一,为支护方案设计和实际工程应用提供了理论依据。
Abstract
In order to reveal the effect of excavation to surrounding rock deformation,Mengxi coal mine conveying tunnel was simulated by adopt finite difference method,and the three-dimensional model was set up,the figure of plastic zones,displacement and stress distribution of conveying tunnel was obtained by step 1,3,5 analysis.Research results indicated,excavation was one of the influence factors to surrounding rock deformation,provided theoretical basis for theoretical design of supporting scheme and practical application of engineering.
关键词
掘进/围岩变形/有限差分/数值模拟Key words
Excavation/Surrounding rock deformation/Finite difference/Numerical simulation引用本文复制引用
出版年
2012
NETL
NSTL
万方数据