• The result indicated That the abutment pressure distribution form was similar to that of slicing mining method but its magnitude and affecting range changed.

    结果表明,放顶煤采煤支承压力分布形式分层开采类似量值影响范围上有增减。

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  • Generally top slicing is a mining method of high cost, low productivity, and large consumption of timber as compared with other methods for mining metalliferous ore bodies.

    对于金属矿开采一般认为分层崩落法其他采矿相比一种成本产量木材消耗量采矿方法

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  • The indoor experiment on the filling materials used for downward slicing drift mining with cemented backfill in Gaolong Gold Mine was performed.

    对高龙金矿下向分层胶结充填采矿所用充填材料进行了室内试验研究。

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  • A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.

    对厚煤层采用分层顶煤相结合采煤方法,既可控制导裂缝发育高度,降低生产成本

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  • The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.

    武山铜矿采用上向水平分层进路水砂充填法回采,采场多次发生冒顶、片帮。

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  • Slicing fully mechanized mining method is one of mining methods of thick seams.

    分层综采煤层采煤方法之一

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  • Slicing fully mechanized mining method is one of mining methods of thick seams.

    分层综采煤层采煤方法之一

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