Predicting Strength Properties of High-Performance Concrete Modified with Natural Aggregates and Ferroslag under Varied Curing Conditions

Table 10

Results of the compressive strength test on concrete mixes subjected to sulphate attack.

Percentage loss in compressive strength due to sulphate attack
Days	MF0	MF20	MF30	MF40
0 day	0.00	0.00	0.00	0.00
28 days	1.17	0.72	0.28	0.00
56 days	4.28	1.44	2.39	1.42
90 days	6.30	3.60	3.79	4.14
180 days	8.79	5.53	5.20	5.65
270 days	10.97	7.19	6.60	7.32