| 高应力岩层巷道钻孔爆破卸压技术 |
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| 引用本文： | 张向阳,涂敏,杨科.高应力岩层巷道钻孔爆破卸压技术[J].煤炭科学技术,2009,37(1). |
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| 作者姓名： | 张向阳 涂敏 杨科 |
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| 作者单位： | 安徽理工大学能源与安全学院煤矿安全高效开采省部共建教育部重点实验室,安徽,淮南,232001
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| 基金项目： | 安徽省优秀青年科技基金，中国矿业大学煤炭资源与安全开采国家重点实验室开放基金 |
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| 摘 要： | 为了深入研究深部高应力岩层巷道围岩松动爆破卸压技术,针对高应力巷道围岩受采动影响的变形破坏特点,采用FLAC数值模拟软件对深部动压巷道围岩进行了松动爆破卸压模拟,结果表明在松动区域轴向平行于巷道顶板和帮部时,在距巷道顶板和帮部围岩5 m处进行爆破,可以在巷道周围形成一个松动区域,使巷道围岩浅部应力与深部集中高应力隔离开,达到巷道围岩集中应力向深部转移和改善巷道围岩受力状态的目的.通过工程实践,验证了模拟方案的合理性,并使爆破参数得到了优化.
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| 关 键 词： | 高应力巷道 钻孔爆破 巷道卸压 围岩控制 数值模拟 |
Pressure Releasing Technology with Borehole Drilling and Blasting for Mine Roadway in High Stressed Strata |
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| ZHANG Xiang-yang TU Min YANG Ke.Pressure Releasing Technology with Borehole Drilling and Blasting for Mine Roadway in High Stressed Strata[J].Coal Science and Technology,2009,37(1). |
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| Authors: | ZHANG Xiang-yang TU Min YANG Ke |
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| Affiliation: | Key Lab of Mine Safety and High Efficient Mining Jointly Built by Province and Ministry of Education;School of Energy and Safety;Anhui University of Science and Technology;Huainan 232001;China |
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| Abstract: | In order to have a detail study on the loose blasting and pressure releasing technology for the surrounding rocks of the mine roadway in the deep and high stressed rock strata,according to the deformation and failure features of the surrounding rocks in the high stressed roadway affected by the mining,the FLAC numerical simulation software was applied to simulate the loose blasting and pressure releasing of the surrounding rocks in the deep dynamic roadway.The results showed that the blasting to be made at ... |
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| Keywords: | high stressed mine roadway borehole drilling and blasting roadway pressure released surrounding rock control numerical simulation |
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