Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment

Table 3

Concrete mix proportions design (kg·m⁻³).

Material	Type	Water-cement ratio (/c)
		0.70	0.65	0.60	0.55	0.50	0.45	0.40	0.35
Water ()	Tap water	210	210	210	210	210	210	215	168
Cement (c)	#425 OPC^1	300	323	350	382	420	467	538	480
Fine aggregate (FA)	Artificial sand	765	739	676	665	618	586	528	532
Coarse aggregate (CA)	Gravel	1057	1063	1103	1085	1098	1089	1071	1131

¹OPC represents ordinary Portland cement.