Frost Resistance of Desert Sand Concrete

Table 5

Mechanical properties of OC and DSC with 50% DSRR.

No	Index	Freeze-thaw cycles (times)
		0	25	50	75	100	125
F01	(MPa)	37.2	36.5	34.3	32.1	30.1	27.7
		2.03	2.21	2.34	2.72	3.38	3.72
	(MPa)	3.09 × 10^4	2.89 × 10^4	2.24 × 10^4	1.88 × 10^4	1.32 × 10^4	9.4 × 10^3
		0.210	0.197	0.180	0.167	0.153	0.144
F04	(MPa)	38.4	38.1	36.9	34.8	33.0	29.8
		1.98	2.01	2.30	2.58	3.11	3.53
	(MPa)	3.13 × 10^4	2.97 × 10^4	2.45 × 10^4	2.04 × 10^3	1.52 × 10^4	1.18 × 10^4
		0.208	0.204	0.189	0.178	0.165	0.151