Backfilling Mixture Preparation Using Milled Granulated Blast-Furnace Slag

Крупник Леонид Андреевич, Yu. N. Shaposhnik, S. N. Shaposhnik, Gulnur Nurshaiykova, Dinara Baskanbayeva

2019

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DOI 10.1134/s1062739119015300
Data confidence 85 high
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Abstract

Backfilling mixture preparation technology using a cement-slag binder is developed for the Artem’evsky mine. It is shown that backfill with granulated blast-furnace slag reaches project strength at its fineness 80% of content milled down to -80 urn size. The authors analyze influence of milling fineness of granulated blast-furnace slag from different manufacturers on strength and rheological properties of backfill. The economic analysis of cost of binder in formation of load-bearing layer of backfill prepared using fly ash and milled granulated blast-furnace slag is performed.