深井回采巷道围岩松动圈监测分析及支护方案的优化  

Monitoring and Measurement Analysis on Loose Circle in Surrounding Rock of Mining Gateway of Deep Mine and Optimization of Support Plan

作　　者：蒋邦友[1,2] 顾士坦[1,2] 李男男[1,2] 王春秋[1,2] 

机构地区：[1]山东科技大学矿山灾害预防控制教育部重点实验室,山东青岛266590 [2]山东科技大学资源与环境工程学院,山东青岛266590

出　　处：《煤炭工程》2013年第2期65-68,共4页Coal Engineering

基　　金：中国博士后科学基金(20100471561);国家重点基础研究发展计划(973)子课题(2010CB226805-02);山东科技大学研究生创新基金项目(YCB120104)

摘　　要：巷道开挖后,巷道周边岩体将由于应力集中产生破坏变形,形成松动圈。围岩松动圈的大小直接决定巷道围岩变形控制的难易程度。探地雷达是目前矿山最常用的物探手段之一,基于探地雷达松动圈探测机理分析,对轨道运输巷道不同断面位置进行了围岩松动圈探测,巷道围岩松动圈范围在1.1～1.6m之间。分析测试结果得出轨道运输巷道围岩松动圈的分布规律,并对巷道的支护方案进行优化设计。After the mine roadway excavated, the stress concentration of the surrounding rock along the mine roadway would be failed and deformed and a loose circle would be formed in the surrounding rock. The size of the loose circle in the surrounding rock would directly dependent on the difficulty of the deformation control of the surrounding rock along the mine roadway. The ground penetrating radar is one of the most common geophysical exploration means at present mines. Base on the analysis on the detection mechanism of the ground penetrating radar for the loose circle, a loose circle detection on the surrounding rock was conducted at different cross section location of the railway transportation roadway. The loose circle scope of the surrounding rock along the roadway was ranging from 1.1 - 1.6m. The distribution law of the loose circle in the surrounding rock along the railway transportation roadway was obtained with the analysis results of the measurement and test. The optimized design was conducted on the support plan of the mine roadway.

关 键 词：回采巷道 地质雷达 松动圈 现场测试 支护方案 

分 类 号：TD353[矿业工程—矿井建设]