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Influencing Factors of Steel Slag/Blast Furnace Slag Based Solidifying Agents for Total Tailings Paste Backfill

机译:基于尾矿粘贴回填的基于钢渣/高炉炉渣的凝固剂的影响因素

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There exist synergistic effect between steel slag and blast furnace slag in preparation of solidifying agent for total tailings backfill. By investigating the effect of various activators, the proportioning of the solidifying agent was obtained: steel slag 35%, blast furnace slag 35%, Portland cement 10%, desulfurization gypsum 10%, calcium chloride 6%, anhydrous sodium sulfate 2% and calcium oxide 2%. The results show that compressive strength of specimens reaches 2.83MPa, with the mass ratio of tailings and the solidifying agent being 1:5. It can be used to substitute Portland cement in total tailings backfill for goaf.
机译:钢渣和高炉炉渣之间存在协同作用,制备总尾矿回填的固化剂。通过研究各种活化剂的效果,获得了凝固剂的比例:钢渣35%,高炉渣35%,波特兰水泥10%,脱硫石膏10%,氯化钙6%,无水硫酸钠2%和钙氧化物2%。结果表明,样品的抗压强度达到2.83MPa,尾矿和凝固剂的质量比为1:5。它可用于将波特兰水泥替换为GOF的总尾矿回填。

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