Table 9: Compressive strength test result for QF series.

Sample nameThree-day strength (N/mm2)Seven-day strength (N/mm2)28-day strength (N/mm2)50-day strength (N/mm2)

QF124.8432.8443.0052.62
QF224.8833.6242.4553.55
QF324.4833.8442.7054.38
QF424.2631.8843.8455.65