Specimen item | Slump (mm) | Vibration time (s) | Ununiformity | 28d compressive strength (MPa) | 28d rupture strength (MPa) | Compressive strength deviation (MPa) |
J1 | 120 | 10 | 0.18 | 57.4 | 8.4 | 12.5 |
J2 | 160 | 10 | 0.10 | 62.2 | 9.1 | 6.7 |
J3 | 200 | 10 | 0.08 | 67.0 | 10.1 | 2.2 |
J4 | 240 | 10 | 0.14 | 55.1 | 9.2 | 8.2 |
Z0 | 200 | 0 | 0.36 | 52.2 | 7.1 | 7.8 |
Z10 | 200 | 10 | 0.08 | 67.1 | 10.1 | 2.2 |
Z30 | 200 | 30 | 0.20 | 60.2 | 9.1 | 5.0 |
Z50 | 200 | 50 | 0.45 | 55.3 | 6.4 | 9.3 |