Effect of Fly Ash on Mortar Mixes with Quarry Dust as Fine Aggregate

Table 9

Compressive strength test result for QF series.

Sample name	Three-day strength (N/mm^2)	Seven-day strength (N/mm^2)	28-day strength (N/mm^2)	50-day strength (N/mm^2)
QF1	24.84	32.84	43.00	52.62
QF2	24.88	33.62	42.45	53.55
QF3	24.48	33.84	42.70	54.38
QF4	24.26	31.88	43.84	55.65