Suitability Investigation of Recycled Concrete Aggregates for Concrete Production: An Experimental Case Study

Table 2

Test methods applied to characterize the aggregate and the fresh and hardened concrete.

Test category	Property under evaluation		Standard applied
Aggregates (RCA and NCA)	Bulk density and void ratio	Loose	ASTM C29/C29M [29]
		Compacted
		Void ratio
	Specific gravity and absorption	Oven-dry	ASTM C127-12 [30]
		Saturated-surface-dry
		Apparent
		Absorption
	Shape, size, and texture	Shape	BS EN 932-6 [31]
		Angularity number
		Texture
		Particle-size distribution	ASTM C136-06 [32]
		Fineness modulus	ASTM C125-12a [33]
		Nominal maximum size
	Toughness and abrasion	L. A. abrasion	ASTM C131-06 [34]
Fresh and hardened concretes	Workability	Slump	ASTM C143/C143M-12 [35]
	Mechanical performance	Compressive strength	ASTM C39/C39M-12a [36]
		Splitting tensile strength	ASTM C496/C496M [37]
	Absorption	Rate of absorption	ASTM C1585-11 [38]