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he gang mei tian kuang jing mao ding zai hai de cheng yin fen xi yu fang zhi dui ce
Author(s): 
Pages: 48-49
Year: Issue:  6
Journal: Hydrogeology and Engineering Geology

Keyword:  矿井冒顶鹤岗煤田分析与防治防治对策冒顶事故灾害锚喷支护水文地质条件采空区采煤方式;
Abstract: 1形成冒顶灾害的主要原因矿井冒顶地质灾害是在一定的环境条件下产生的,是内外因素共同作用的结果。内因即地质条件,外因是人为因素,即采矿时扰动因子和采掘方式,尤其是不合理的采掘方式或防范不利是造成冒顶的主要原因。1.1地质条件总观鹤岗煤田处于平原与山区的...
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