Research Article
Mechanical Properties of Fiber Reinforced Lightweight Concrete Containing Surfactant
Table 5
Properties of fiber lightweight concrete (no surfactant).
| | Fiber | Fiber
volume (%) | Unit weight
(kg/m3) | Compressive
strength (MPa) | Axial strain
at peak (mm/mm) | Modulus of
elasticity (GPa) | Toughness
index |
| | Polypropylene | 0 | 1473.7 | 32.8 | 0.0037 | 10.8 | 1 | | 1 | 1457.7 | 31.5 | 0.0044 | 6.6 | 1.03 | | 2 | 1489.7 | 34.7 | 0.0044 | 11.2 | 1.26 | | 3 | 1473.7 | 38.3 | 0.0040 | 11.0 | 1.29 | | 4 | 1473.7 | 33.2 | 0.0034 | 12.0 | 1.33 |
| | Carbon | 0 | 1473.7 | 32.8 | 0.0037 | 10.8 | 1 | | 1 | 1425.6 | 34.7 | 0.0039 | 10.3 | 1.05 | | 2 | 1141.7 | 29.9 | 0.0043 | 9.7 | 1.38 | | 3 | 1505.7 | 39.4 | 0.0046 | 10.4 | 1.22 | | 4 | 1457.7 | 22.2 | 0.0043 | 8.2 | 1.74 |
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