| 封闭型地质构造诱发煤与瓦斯突出的力学特性模拟试验 |
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| 引用本文： | 张春华,刘泽功,刘健,蔡峰,张树川.封闭型地质构造诱发煤与瓦斯突出的力学特性模拟试验[J].中国矿业大学学报,2013,42(4):554-559. |
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| 作者姓名： | 张春华 刘泽功 刘健 蔡峰 张树川 |
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| 作者单位： | 1. 辽宁工程技术大学矿业技术学院,辽宁葫芦岛 125105;山西焦煤(集团)有限责任公司博士后科研工作站,山西太原030022
2. 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实验室,安徽淮南,232001 |
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| 摘 要： | 运用自行研发的大型三维煤与瓦斯突出模拟试验装置,模拟研究了石门揭露前方封闭型地质构造破坏区过程中围岩应力和瓦斯压力的分布及变化规律.结果表明:受构造应力影响,封闭型地质构造破坏区围岩初始应力较高,为正常区域初始应力的1.5～1.7倍;石门巷道推进过程中,封闭型地质构造破坏区围岩应力进一步增加,可达正常区域煤岩初始应力的2倍以上;封闭型地质构造破坏区临揭露前,仍然保持着较高的围岩应力和瓦斯压力,形成异常高的应力梯度和瓦斯压力梯度,为煤与瓦斯突出的发生提供了有利条件.
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| 关 键 词： | 石门揭煤 煤与瓦斯突出 相似模拟试验 封闭型地质构造破坏区 力学特性 |
Physical scale modeling of mechanical characteristics of outburst induced by closed geological structure |
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| ZHANG Chun-hua,LIU Ze-gong,LIU Jian,CAI Feng,ZHANG Shu-chuan.Physical scale modeling of mechanical characteristics of outburst induced by closed geological structure[J].Journal of China University of Mining & Technology,2013,42(4):554-559. |
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| Authors: | ZHANG Chun-hua LIU Ze-gong LIU Jian CAI Feng ZHANG Shu-chuan |
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| Affiliation: | 1.College of Ming Industry Technology,Liaoning Technical University,Huludao,Liaoning 125105,China; 2.Postdoctoral Scientific Research Workstation,Shanxi Coking Coal,Taiyuan,Shanxi 030022,China; 3.College of Energy & Security,Key Laboratory of Mine Safety and High Efficient Mining Jointly Build by Province and Education Ministry,Anhui University of Science and Technology,Huainan,Anhui 232001,China) |
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| Abstract: | |
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| Keywords: | coal uncovering by crosscut coal and gas outburst similar material simulation experiment closed type tectonic fracture zone mechanical characteristics |
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