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Table 4 Mix proportion of concrete.

From: Experimental and Analytical Studies for the Size Effect on the Axial Strength of High-Strength Concrete Walls with Various Fire-Damaged Areas

Target strength (MPa)

Water-to-cement ratio (%)

Cement

Water

Fine aggregate

Coarse aggregate

Fly ash

Slag

PP fiber

(kg/m3)

53.9

39.9

401

160

715

883

57

115

0.7