Development of Research on Hydraulic Gradient of Paste Backfill Slurry

Abstract

Abstract: 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.In this paper, several formulas for hydraulic gradient calculation in common use are introduced.Besides, the advantages and disadvantages，and also the scope of application of every formula are discussed.At last, the direction for research on hydraulic gradient calculation of paste backfill slurry is pointed out.

Key words: Paste backfill, Hydraulic gradient, Pipeline delivery

JIN Zi-Qiao, 吕Xian-Jun , HU Shu-Gang, WANG Jian. Development of Research on Hydraulic Gradient of Paste Backfill Slurry[J]. Metal Mine, 2009, 39(11): 35-36+146.

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Development of Research on Hydraulic Gradient of Paste Backfill Slurry

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