WANG Ze-cai. Analysis on water-inrush passage way in the north main roadway in Guozhuang Coal Mine[J]. COAL GEOLOGY & EXPLORATION, 2001, 29(6): 46-47.
Citation: WANG Ze-cai. Analysis on water-inrush passage way in the north main roadway in Guozhuang Coal Mine[J]. COAL GEOLOGY & EXPLORATION, 2001, 29(6): 46-47.
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Analysis on water-inrush passage way in the north main roadway in Guozhuang Coal Mine

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  • The paper analyses the water-inrush source,inrush water quantity characteristics,distributive feature of inrush material,inrush material composition,and proposes that the water-inrush passageway in the north main roadway in Guozhuang coal mine is collapse column.
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