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

Table 8

Compressive strength test result for QC 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)
QC1	23.84	31.84	41.15	42.44
QC2	24.68	33.62	43.70	44.88
QC3	24.48	33.48	42.85	44.15
QC4	24.26	31.88	35.86	40.56