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. 2021 Mar 27;14(7):1647. doi: 10.3390/ma14071647

Table 2.

Mix proportion of concrete (kg·m−3).

No. Cement Slag Sand Aggregate Water Superplasticizer
S0 460 0 780 1021 145 5.06
S15 391 69 780 1021 145 5.06
S25 345 115 780 1021 145 5.06
S50 230 230 780 1021 145 5.06

Note: S0——100%cement; S15——15%slag; S25——25% slag; S50——50% slag.