Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System

Table 3

Concrete mix proportion (kg·m⁻³).

	Group	Cement	Slag powder	Iron tailings powder	Stone	Sand	Water	W/B	PC
C30	A1	113	264	0	1018	840	151	0.40	3.39
	A2	113	185	79	1018	840	147	0.39	3.39
	A3	113	132	132	1018	840	143	0.38	3.39
	A4	113	79	185	1018	840	140	0.37	3.39
	A5	113	0	264	1018	840	136	0.36	3.39
C50	B1	191	287	0	1071	725	139	0.29	6.69
	B2	191	201	86	1071	725	134	0.28	6.69
	B3	191	143.5	143.5	1071	725	129	0.27	6.69
	B4	191	86	201	1071	725	124	0.26	6.69
	B5	191	0	287	1071	725	119	0.25	6.69