...复采;采出率 [gap=1573]Keywords : pillar support goaf ;stress distribution ;stress influence scope ;repeated mining ;recovery rate ...
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详细分析了条带煤柱复采时沿空掘巷的支护特点。
The supporting characteristics of roadways driving along next goaf in repeated mining of strip pillar were analyzed.
对碎裂顶板复采工作面布置、设备选型和回采工艺等进行了设计。
The repeated mining face layout, equipment selection and extraction technology with cataclastic roof had been designed.
残煤开采是将过去已开采区留下的煤柱、不可采的煤柱,再进行复采。
In the residual coal mining, the retaining and non-mining pillars in the mined area in the past are for resumption of mining.
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