The Variability and Evaluation Method of Recycled Concrete Aggregate Properties

Table 2

Property data of RA from buildings.

Property index
Density (g/cm^3)	2.742	2.529	2.5	2.535	2.75	2.32	2.265	2.658
Absorption (%)	1.94	4.82	2.15	4.50	2.49	9.89	5.70	4.50
Flakiness (%)	6.98	3.70	2.50	3.40	3.00	2.50	3.10	2.60
Crushing value (%)	13.60	13.80	14.10	7.87	6.20	24.20	30.00	13.00
Stone species	Pebbles	Pebbles	Pebbles	Pebbles	Gravel	Gravel	Gravel	Gravel
Strength	Low	Low	Low	Low	Low	Low	Low	Low
Sources	Foundation	Floor	Building	Beam	Foundation	Building	Building	Building