文章摘要信息 关键词 ： 煤层开采；覆岩变形与破坏；动态测试；孔巷电法 [gap=1437]Keywords : coal seam mining;overburden distortion and failure;dynamic detection;resistivity method in bore ..
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预测了侏罗系含水层对煤层开采的影响。
The influence of aquifer upon the mining coal seam is estimated.
重点论述了风化带内煤层开采的覆岩破坏移动演化特征；
The characteristics of damage, movement, evolution in mining coal bed in weathered zone were discussed mainly.
煤层开采后，一些工作面出现了砂层水渗入井下的现象。
When the seam was extracted, water from the sand layer penetrated into some coal faces.
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