Research Article
Capillary Water Absorption Characteristics of Recycled Concrete in Freeze-Thaw Environment
Table 3
Physical properties of aggregate.
| | Type of coarse aggregate | Particle size (mm) | Crushed index (%) | Bulk density (kg/m3) | Fineness modulus | Water absorption (%) | Shape index (%) | Apparent density (kg/m3) |
| | RCA | 4.7–31.5 | 11 | 1302 | 3.3 | 3.1 | 13.9 | 2630 | | NCA | 4.7–31.5 | 6 | 1435 | 2.7 | 1.3 | 14.5 | 2820 | | Sand | 0.16–5 | — | 1480 | 2.7 | 0.2 | - | 2650 |
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