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deep-hole presplitting explosion (2) 2
high gassy and low permeability coal seam (2) 2
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applied earth sciences (1) 1
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矿业科学技术学报:英文版, ISSN 2095-2686, 2017, Volume 27, Issue 5, pp. 771 - 775
.... Of these technologies trialled, the deep borehole presplitting blasting technology has been proven to be quite effective in increasing permeability. In Xinji... 
hole | drainage;Permeability | mining;Gas | Coal | enhancement;Deep | blasting | Permeability enhancement | Coal mining | Gas drainage | Deep hole blasting | MINING & MINERAL PROCESSING
Journal Article
煤炭学报:英文版, ISSN 1006-9097, 2009, Volume 15, Issue 2, pp. 175 - 180
...-hole presplitting explosion. The entire process of explosion was represented, including cracks caused by dynamic pressure, transmission and vibration superposition of stress waves, as well as cracks growth driven by gas generated by explosion... 
高瓦斯 | 瓦斯爆炸 | 低渗透煤层 | 数值模拟 | 实验分析 | 通透性 | DYNA3D | 深孔 | Applied Earth Sciences | Earth Sciences | Geology | High gassy and low permeability coal seam | crack growth | Geochemistry | Geophysics/Geodesy | Mechanical Engineering | deep-hole presplitting explosion | stress wave | Stress wave | Deep-hole presplitting explosion | Crack growth
Journal Article
Procedia engineering, ISSN 1877-7058, 2011, Volume 26, pp. 418 - 423
Deep-hole presplitting blast technology is an effective method to intensively increase the permeability of coal seam and high-efficiency extract gas... 
metal skeleton | deep-hole presplitting blast | rapidly diminishing outburst risk | open coal seam in shaft | Open coal seam in shaft | Metal skeleton | Deep-hole presplitting blast | Rapidly diminishing outburst risk
Journal Article
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