• In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.

    本文介绍采矿回采方法碎石混凝土充填工艺对其技术经济指标作简要分析。

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  • The security of the stoping-cemented fill method is good and the rate of extraction is high. It has made the contribution for mine in technical progress and improving economic benefits.

    胶结充填采矿安全性回采矿山技术进步提高经济效益起到积极作用

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  • The security of the stoping-cemented fill method is good and the rate of extraction is high. It has made the contribution for mine in technical progress and improving economic benefits.

    胶结充填采矿安全性回采矿山技术进步提高经济效益起到积极作用

    youdao

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