Table 1 Properties of OPC (42.5R).
From: Comparative study on the properties of basalt and steel fiber reinforcement waste rock concrete
Fineness (%) | Condensation time (min) | Density (kg/m3) | Flexural strength (MPa) | UCS (MPa) | Unit price (RMB/t) | |||
---|---|---|---|---|---|---|---|---|
Initial setting of cement | The final setting of cement | 3 d | 28 d | 3 d | 28 d | |||
338 | 254 | 319 | 3100 | 5.2 | 7.7 | 38.5 | 51 | 420 |