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zuan kong xie mei pei he jin shu gu jia shi men jie kai yan zhong tu chu mei ceng de xin fang fa
Author(s): 
Pages: 10-14+49
Year: Issue:  6
Journal: Safety in Coal Mines

Keyword:  突出煤层金属骨架石门瓦斯突出卸煤煤体应力石门揭煤新方法防突效果突出危险煤层;
Abstract: 通过钻孔卸煤配合金属骨架石门揭开严重突出煤层的7次试验,证明了钻孔卸煤后,使石门前方煤体应力前栘,瓦斯得到排放,并加固了石门上方煤体,从而达到了防治煤与瓦斯突出的目的。该措施施工简单,工时仅需20天左右即可完成。
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