Research Article
Performance of Concrete Developed by Enhanced Gradation of Natural Fine River Sands by Partial Replacement of Waste Quarry Dust
Table 7
Performance indices for 28 MPa concrete.
| | Property | Mix | | Control | NRS-NC | RS-NC | RS | NCS-NC | CS-NC | CS |
| | Slump | 1.00 | 1.00 | 0.67 | 0.33 | 0.84 | 0.67 | 0.51 | | Compressive strength | 1.00 | 1.10 | 1.25 | 1.02 | 1.14 | 1.25 | 1.05 | | Modulus of rupture | 1.00 | 1.10 | 1.18 | 0.92 | 1.16 | 1.20 | 0.94 | | Cost | 1.00 | 1.09 | 1.09 | 1.11 | 1.08 | 1.08 | 1.07 |
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