Research on damage size effect of cemented paste backfill under high sand-cement ratio conditions.

Among them, the F value of the independent variable C (sand-cement ratio) is 188.54, and the P value is less than 0.0001, which is a very significant influencing factor; the independent variable The F value of A (H/W) is 14.24, and the P value is less than 0.005, which is a sub-significant factor; the F value of the independent variable B (mass concentration) is 0.90, and the P value is > 0.1, which is a weakly significant factor.

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