The absolute values of the microparameter sensitivities are categorized into three levels for analysis: generally significant (0 < | s ̄ | < 0.5), significant (0.5 < | s ̄ | < 1), and highly significant ( | s ̄ | > 1).
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A High-Phosphogypsum Multi-Solid-Waste Cementitious Binder for Backfill: Cross-Scale Insight into Pore Structure and Strength Development.
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used PG, cement, and quicklime to prepare backfill material and found that as the PG content increased, the 3-day and 7-day uniaxial compressive strength (UCS) showed a decreasing trend, with the 28-day UCS reaching its maximum at a PG content of 20% [ 11 ].