Research Article
Use of Preplaced Casting Method in Lightweight Aggregate Concrete
Table 5
Testing results of compressive strength and unit weight.
| Mix code | Cubic compressive strength (MPa) | Axial compressive strength (MPa) | Unit weight (kg/m3) | 7 d | 28 d | 56 d | 7 d | 28 d | 56 d | 28 d |
| 1-1 | 31.68 | 35.89 | 39.41 | 25.49 | 28.72 | 31.55 | 1820 | 1-2 | 32.55 | 37.10 | 41.82 | 26.16 | 30.30 | 33.47 | 1780 | 2-1 | 32.06 | 37.01 | 40.65 | 27.29 | 32.99 | 33.57 | 1832 | 2-2 | 33.14 | 40.14 | 44.07 | 28.10 | 33.32 | 35.58 | 1792 | 3-1 | 35.36 | 42.11 | 46.83 | 28.42 | 34.28 | 37.94 | 1841 | 3-2 | 38.73 | 44.31 | 48.71 | 31.31 | 36.87 | 39.36 | 1809 |
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