Research Article
Impact Properties of Recycled Aggregate Concrete with Nanosilica Modification
Table 2
Physical performance of the nanosilica-modified RA.
| | Mix | Soaking time (h) | Concentration (%) | Apparent density (kg/m3) | Crush index (%) | Absorption (%) |
| | RA-0-0 | 0 | 0 | 2564 | 19.70 | 4.80 | | RA-24-1 | 24 h | 1 | 2573 | 18.41 | 4.57 | | RA-24-2 | 2 | 2589 | 18.00 | 4.10 | | RA-24-3 | 3 | 2596 | 17.50 | 3.98 | | RA-48-1 | 48 h | 1 | 2593 | 16.66 | 4.29 | | RA-48-2 | 2 | 2605 | 15.85 | 3.77 | | RA-48-3 | 3 | 2611 | 15.47 | 3.69 | | RA-72-1 | 72 h | 1 | 2595 | 16.01 | 4.13 | | RA-72-2 | 2 | 2612 | 15.70 | 3.72 | | RA-72-3 | 3 | 2616 | 15.30 | 3.57 |
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