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.
膏体充填技术近年来在矿山得到了较多的应用，但是关于膏体充填料浆水力坡度的计算却成为越来越突出的问题。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
将房柱式开采和膏体充填开采的优点相融合，提出了点柱式膏体充填采煤方法。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
将房柱式开采和膏体充填开采的优点相融合，提出了点柱式膏体充填采煤方法。
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