Research Article
Effects of Aging on the Tensile Properties of Polyethylene Fiber-Reinforced Alkali-Activated Slag-Based Composite
Table 4
Density and compressive strength.
| | Age (days) | Theoretical density (g/cm3) | Measured density (g/cm3) | Compressive strength (MPa) |
| | 3 | 2.06 | 2.07 ± 0.01 | 34.0 ± 1.6 | | 5 | 2.06 | 2.06 ± 0.01 | 37.4 ± 0.8 | | 7 | 2.06 | 2.07 ± 0.01 | 38.9 ± 1.0 | | 14 | 2.06 | 2.06 ± 0.01 | 43.6 ± 1.4 | | 28 | 2.06 | 2.07 ± 0.01 | 47.8 ± 1.5 | | 90 | 2.06 | 2.06 ± 0.01 | 53.4 ± 1.0 |
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