松软破碎煤巷锚网支护关键参数识别与优化  

Discernment and optimization on the key parameters of bolt-mesh support in the crushed soft roadway

作　　者：南培珠[1] 房姗姗[2] 王金安[2] 

机构地区：[1]中国矿业大学(北京)资源与安全工程学院,北京100083 [2]北京科技大学土木与环境工程学院,北京100083

出　　处：《煤炭学报》2009年第8期1037-1042,共6页Journal of China Coal Society

摘　　要：以宁夏石沟驿煤矿运输巷锚网支护为背景,进行了支护参数正交试验设计,运用UDEC数值计算,并通过"极差分析法"分析寻找出关键参数.研究表明:影响松软破碎煤巷锚网支护效果的敏感因素是锚杆长度和间排距.借助灰色模糊关联理论分析,综合考虑围岩变形和锚杆用钢量,最终获得经济合理的巷道整体优化支护方案.Based on the cable-mesh support for roadway in Shigouyi Coal Mine, the orthogonal design and UDEC modeling were carried out. Throughout ＂maximum difference analysis＂ the key influence factors were recognized. The study shows that the sensitive factors in influence of the bolt-mesh support in the crushed and soft roadway are the length and the interval of the bolts. By grey-fussy relevance analysis, the integrated optimum support scheme was obtained in consideration of the deformation of the surrounding rocks and the amount of the steel used for bolts.

关 键 词：煤巷 锚网支护 参数识别 优化 模糊理论 

分 类 号：TD353[矿业工程—矿井建设]