联井型巷道布置的三维数值模拟及掘进顺序优化  

Three-dimensional Numerical Simulation of Associated Well-type Roadway Arranged and Excavation Sequential Optimization

作　　者：陈顺满[1] 许梦国[1] 王明旭[1] 王平[1,2] 徐钊[1] 雒凯[1] 

机构地区：[1]武汉科技大学资源与环境工程学院 [2]华中科技大学土木工程与力学学院

出　　处：《金属矿山》2013年第8期34-37,41,共5页Metal Mine

摘　　要：巷道掘进顺序是影响围岩稳定性的关键因素,运用有限元分析软件建立3个水平的局部巷道分布模型,上两水平巷道已掘进完毕,通过对第3水平采准巷道掘进及其不同掘进顺序下的围岩力学特性分析,为采准巷道的合理掘进提供参考,以便尽量减少因巷道掘进对围岩造成的不利影响。模拟结果表明,掘进顺序不同,交叉点的围岩应力分布情况及安全系数有明显的差别,间隔双条进路同时掘进对围岩扰动的影响最小。The excavation of the roadway sequence is the key factor to influence the stability of the surrounding rock,and three levels of local roadway model has been established by using the numerical simulation software.On two-level quasi roadway excavation is completed,through the quasi third level roadways is not boring and the mechanical characteristics of the surrounding rock under different excavation sequence analysis,which provide reference for reasonable excavation to the developing entry,in order to minimize the impact of roadway excavation on the surrounding rock.The numerical simulation result shows that with different excavation sequence,the stress distribution and safety coefficient of the surrounding rock have obvious difference,and the excavation of interval two routes at the same time have the minimum influence on the surrounding rock.

关 键 词：掘进顺序 有限元分析 力学特性 围岩扰动 影响 

分 类 号：TD263.31[矿业工程—矿井建设]