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Parameters for end and side wall in mining face in open coal mine and its analysis
Author(s): 
Pages: 1-2
Year: Issue:  2
Journal: HEBEI COAL

Keyword:  露天采矿端帮采煤工作面;
Abstract: 通过初步理论计算与分析,把握在房柱开采中4#煤顶板及上方岩层跨落与煤柱受载等情况,以此为基本依据来确定4#煤开采时采房与煤柱较合理技术参数.
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