From: Strength and Durability Evaluation of Recycled Aggregate Concrete
Physical tests | Mechanical | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Grades | Flakiness index BSI 812-105.2 (1990) | Elongation index BSI 812-105.2 (1990) | Bulk density (kg/m3) ASTM C29/29Â M (2009) | Absorption % | Bulk dry | Bulk | Apparent specific gravity | ACV BSI EN 1097-2:2010 (2010b) | Abrasion ASTM C131 (2006) | ||
% | % | Loose | Compacted | Specific gravity | Specific gravity | % (Weight loss) | % (Weight loss) | ||||
December 2012 | |||||||||||
 1 | – | – | 1385.8 | 1575.5 | 0.9 | 1.88 | 1.9 | 1.91 | – | – | |
 2 | 10.6 | 15.34 | 1161.9 | 1228.2 | 1.69 | 3.40 | 3.46 | 3.61 | 16.63 | 33 | |
 4 | – | – | 1281.8 | 1297.25 | 8.56 | 3.05 | 3.31 | 4.12 | 20.8 | 6.8 | |
 5 | – | – | 1549.3 | 1704.3 | 0.23 | 1.69 | 2.08 | 2.78 | – | – | |
April 2013 | |||||||||||
 1 | – | – | 1182.3 | 1276.7 | 8.2 | 2.97 | 3.21 | 3.94 | 31.4 | – | |
 4 | 12.3 | 6.7 | 1758.1 | 1821.5 | 6.08 | 2.32 | 2.46 | 2.7 | 28.71 | 59.1 | |
 5 | – | – | 1552 | 1639.7 | 3.38 | 4.57 | 4.73 | 5.41 | – | – | |
Control | |||||||||||
 Coarse | 15 | 8.7 | 1411.5 | 1512.65 | 1.1 | 2.62 | 2.65 | 2.7 | 20 | 18 | |
 Fine | – | – | 1585.2 | 1728.8 | 2.32 | 2.51 | 2.57 | 2.59 | – | – |