Rheological Response, Strength Development and Conditional Age-Progressive Strength Updating of Cement Kiln Dust-Modified Cemented Tailings Backfill

Short summary

A binder with 10% cement kiln dust (CKD) and 90% Portland cement, at a 1:6 binder-to-tailings ratio, achieved 56-day unconfined compressive strength (UCS) of 2.54 MPa with 74% solids concentration, while polycarboxylate powder significantly reduced yield stress and increased solids concentration boosted rheological resistance.

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