Resistance of Recycled Aggregate Concrete (RAC) Subjected to Drying-Wetting Cycles to Attack of Magnesium and Sodium Sulfates

Table 4

Results of compressive strength at 7 and 28 days of reference and modified mixtures.

Mixture ID	Compressive strength (MPa)
	7 days	28 days
M0	22.5	31.7
M25	21.2	30.7
M50	19.6	28.2
M75	16.5	25.2
M100	12.5	23.7