Frost Resistance of Desert Sand Concrete

Table 6

Parameters and of OC and DSC with 50% DSRR.

No		Freeze-thaw cycles (times)
			0	25	50	75	100	125
Parameter	A	F01	1.810	1.810	1.120	1.270	0.800	0.250
		F04	1.790	1.840	1.600	1.520	1.490	0.400
	a	F01	3.350	3.370	3.580	4.220	3.840	3.840
		F04	2.860	2.120	3.650	3.520	3.740	3.810
Correlation coefficient	A	F01	0.990	0.996	0.988	0.990	0.994	0.971
		F04	0.998	0.999	0.982	0.992	0.989	0.979
	a	F01	0.938	0.907	0.980	0.981	0.961	0.959
		F04	0.971	0.986	0.977	0.964	0.963	0.968