Table 2 Physical and mechanical properties of Ordinary Portland cement
From: Study on Crack Resistance and Calculation Model of RAC Beams Strengthened with Prestressed CFRP
Setting time (min) | Compressive strength (MPa) | Flexural strength (MPa) | Fineness (%) | Loss on ignition (%) | |||
|---|---|---|---|---|---|---|---|
Initial | Final | 3Â days | 28Â days | 3Â days | 28Â days | 3 | 2.3 |
180 | 280 | 29.5 | 46.8 | 5.4 | 8.0 | ||