Pulse Velocity Measurements in Fly Ash Blended Cementitious Systems Containing 43 Grade Cement

Table 1

Average compressive strength (MPa) of cement mortar (1 : 3) for different mix proportions.

Mix ID	Constituents	7th day	14th day	28th day
A1	0PC + 1% acl	21	24	27.62
A2	0PC + 2% acl	14.45	16	23.92
A3	0PC + 3% acl	13.2	19	22.43
B1	0PC + 20% fly ash + 1% acl	17.1	20	22.47
B2	0PC + 20% fly ash + 2% acl	15	21	24.72
B3	0PC + 20% fly ash + 3% acl	16	18	22.2
C1	0PC + 30% fly ash + 1% acl	16	21	22.59
C2	0PC + 30% fly ash + 2% acl	15	16.5	25.28
C3	0PC + 30% fly ash + 3% acl	10.8	14.1	17.39
D1	0PC + 40% fly ash + 1% acl	11.8	13.5	17.86
D2	0PC + 40% fly ash + 2% acl	12.35	13.98	16.75
D3	0PC + 40% fly ash + 3% acl	13	17.5	18.32