Research Article
Effects of Hybrid Polypropylene-Steel Fiber Addition on Some Hardened Properties of Lightweight Concrete with Pumice Breccia Aggregate
Table 2
Effects of hybrid polypropylene-steel fiber addition on hardened properties of LWC with pumice breccia aggregate (mean ± standard deviation).
| Volume fraction of steel fiber (%) | Demoulded density (kg/m3) | Compressive strength (MPa) | Modulus of elasticity (MPa) | Splitting tensile strength (MPa) | Modulus of rupture (MPa) |
| 0.0 | 1764.78 ± 5.92 | 16.45 ± 0.35 | 7317.49 ± 396.18 | 1.24 ± 0.07 | 2.78 ± 0.16 | 0.5 | 1857.33 ± 16.18 | 19.15 ± 0.43 | 9125.91 ± 353.25 | 2.56 ± 0.12 | 4.45 ± 0.22 | 1.0 | 1874.06 ± 10.45 | 20.14 ± 0.54 | 8191.96 ± 409.67 | 3.06 ± 0.03 | 7.16 ± 0.36 | 1.5 | 1902.09 ± 17.53 | 19.71 ± 0.64 | 7492.72 ± 657.91 | 3.99 ± 0.23 | 8.00 ± 0.73 | 2.0 | 1932.86 ± 3.74 | 18.56 ± 0.41 | 6836.53 ± 872.73 | 3.76 ± 0.18 | 7.98 ± 0.72 |
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