Table 3.

Compressive strength of cement composites.

	Compressive Strength (MPa)					Increase Ratios (%)
	S1	S2	S3	S4	S5	S2/S1	S3/S1	S4/S1	S5/S1
1 day	7.67 ± 0.41	8.42 ± 0.45	10.34 ± 0.48	11.34 ± 0.61	11.86 ± 0.63	9.78	34.81	47.85	54.63
3 day	28.21 ± 1.23	36.25 ± 1.45	40.75 ± 1.65	47.54 ± 1.84	55.67 ± 1.93	28.51	44.45	68.52	97.34
7 day	46.71 ± 1.76	61.72 ± 2.04	67.56 ± 2.14	73.34 ± 2.25	88.36 ± 2.45	32.13	44.64	57.01	89.17
15 day	50.33 ± 1.86	72.58 ± 2.18	82.62 ± 2.36	104.37 ± 2.57	112.73 ± 2.64	44.21	64.16	107.37	123.98
28 day	55.72 ± 1.87	78.31 ± 2.23	89.75 ± 2.38	116.82 ± 2.75	128.32 ± 2.81	40.54	61.07	109.66	130.29