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

Table 2

Physical properties and results of some tests of fine and coarse aggregates and recycled aggregates.

Properties	Fine aggregate	Natural coarse aggregate	Recycled coarse aggregate
Specific gravity	2.65	2.66	2.53
Fineness modulus	2.35
Absorption %	1.60	5.91	5.91
Sulfate content (SO3) %	0.32	0.10	0.1
Clay %	2.30