| 坚硬顶煤预裂爆破弱化的数值模拟分析 |
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| 引用本文： | 谷拴成,于远祥,朱彬. 坚硬顶煤预裂爆破弱化的数值模拟分析[J]. 矿业安全与环保, 2008, 35(2): 36-38 |
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| 作者姓名： | 谷拴成 于远祥 朱彬 |
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| 作者单位： | 西安科技大学,建筑与土木工程学院,陕西,西安,710054;西安科技大学,人事处,陕西,西安,710054 |
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| 摘 要： | 铜川焦坪矿区4-2#煤层坚硬顶煤垮落破碎难题是严重影响矿井生产效益的"瓶颈"。在探讨爆破工艺参数的基础上,利用数值模拟技术分析不同炮孔间距对该矿坚硬顶煤预裂爆破的影响并得出合理的炮孔布置间距,为顶煤预裂爆破弱化方案的设计提供了理论依据。
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| 关 键 词： | 坚硬顶煤 爆破弱化 数值模拟 |
| 文章编号： | 1008-4495(2008)02-0036-03 |
| 修稿时间： | 2007-06-07 |
Numerical Simulation of Weakening of Hard Top C0al by Pre-splitting Blast |
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| GU Shuan-cheng,YU Yuan-xiang,ZHU Bin. Numerical Simulation of Weakening of Hard Top C0al by Pre-splitting Blast[J]. Mining Safety & Environmental Protection, 2008, 35(2): 36-38 |
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| Authors: | GU Shuan-cheng YU Yuan-xiang ZHU Bin |
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| Abstract: | The caving of hard top coal of 4-2# coal seam in Tongchuan Jiaoping Coal Mining Area seriously impacts the production efficiency of the mine.Based on the analysis of the blasting factors,this paper analyzed the effect of different hole spacing upon the hard top coal by pre-splitting blast and thus obtained reasonable blasting. |
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