Optimization of Proportions of Alkali-Activated Slag-Fly Ash-Based Cemented Tailings Backfill and Its Strength Characteristics and Microstructure under Combined Action of Dry-Wet and Freeze-Thaw Cycles.

The significance of each factor on the response value was evaluated using the p -value: p < 0.01 indicates a highly significant effect; 0.01 < p < 0.05 indicates a significant effect; and p > 0.05 indicates no significant effect [ 27 ]. 2.3.3.

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However, with the increasing number of cycles, both quality and strength exhibited a decreasing trend.

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