Research Article
Cymbopogon nardus Leaf Ash as an Alternative Material for Enhancing Concrete Strength
| | Type of concrete | Specimen for compressive strength testing | Specimen for tensile strength testing | | Height of slump value (mm) | Workability (±w/c) | Height of slump value (mm) | Workability (±w/c) |
| | NC | 76.00 | −3% | 82.00 | − 3% | | CNLA-5 | 80.00 | +3% | 86.00 | +3% | | CNLA-10 | 82.00 | +7% | 84.00 | +7% | | CNLA-15 | 92.00 | +11% | 88.00 | +11% |
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