• Paste backfilling technology has been widely used in mines recently. However, the hydraulic gradient calculation of paste backfill slurry is becoming a prominent problem increasingly.

    充填技术近年来矿山得到了较多的应用,但是关于体充填料水力坡度计算成为越来越突出的问题。

    youdao

  • We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.

    将房柱式开采充填开采优点相融合提出了点柱式膏体充填采煤方法

    youdao

  • We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.

    将房柱式开采充填开采优点相融合提出了点柱式膏体充填采煤方法

    youdao

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