Research Article
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] |
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