Frost Durability and Strength of Concrete Prepared with Crushed Sand of Different Characteristics

Table 4

Concrete mix proportions and strengths of resultant concrete.

Strength grade	MB value; (g/kg)	Unit weight (kg/m^3)							Compressive strength (MPa)		WA (%)
		Cement	Water	CA	CS (DL)	Fines	Clay	WR	3 d	28 d
C30	Control	327	180	1079	814	0	0	0.59	21.3	38.1	0.96
	0.3	327	180	1079	773.3	81.4	0	0.65	25.6	41.3	0.94
	0.5	327	180	1079	773.3	79.9	1.5	0.65	25.9	43.7	0.93
	1.0	327	180	1079	773.3	76.3	5.1	0.65	26.3	44.6	0.97
	1.4	327	180	1079	773.3	73.6	7.8	0.65	26.2	44.3	1.01
	2.0	327	180	1079	773.3	69.9	11.5	0.65	26.0	43.9	1.05
C60	Control	531	170	1061	738	0	0	1.86	52.1	71.1	0.63
	0.3	531	170	1061	664.2	73.8	0	2.06	58.8	77.7	0.60
	0.5	531	170	1061	664.2	72.4	1.4	2.06	58.0	72.4	0.61
	1.0	531	170	1061	664.2	69.2	4.7	2.06	53.1	71.7	0.67
	1.4	531	170	1061	664.2	66.7	7.1	2.06	52.0	65.9	0.80
	2.0	531	170	1061	664.2	63.4	10.4	2.06	48.5	64.0	0.97