Research Article
Microstructure and Mechanical Properties of Recycled Aggregate Concrete in Seawater Environment
Table 1
Physical properties of NCA and RCA.
| Physical index | NCA | RCA |
| Grading (mm) | 5–32.5 | 5–32.5 | Bulk density (kg/m3) | 1466 | 1305 | Apparent density (kg/m3) | 2812 | 2498 | Water absorption (%) | 0.45 | 9.15 | Crush index (%) | 4.12 | 14.9 |
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