Comparison of the Flexural Performance and Behaviour of Fly-Ash-Based Geopolymer Concrete Beams Reinforced with CFRP and GFRP Bars

Table 4

Trial mix proportion details and results.

Trial	G (kg/m^3)	S (kg/m^3)	FA (kg/m^3)	M	S/S	A/F	EW (kg/m^3)	SP% (kg/m^3)	W/B ratio	Compressive strength,
										3 days (MPa)	7 days (MPa)	28 days (MPa)
T1	1230	660	400	12	2.5	0.45	0	3	0.2145	41.6	42.7	45.5
T2	1230	660	400	12	2.5	0.45	32	2	0.3017	35.8	36.5	39.5
T3	1230	660	400	12	2.5	0.45	14	2	0.2511	44.2	45.5	47.5
T4	1230	660	400	12	2.5	0.45	48	2	0.3502	22.2	22.3	26.8
T5	1230	660	400	16	2.5	0.45	36	2	0.3009	34.7	36.2	39.4
T6	1230	660	400	8	2.5	0.45	27	2	0.3019	19.4	19.5	24.6
T7	1230	660	400	8	2.5	0.45	43	2	0.3504	14.1	14.5	19.5
T8	1230	660	400	8	2.5	0.4	50	2	0.3512	9.3	9.5	12.9
T9	1230	660	400	8	2.5	0.35	57	2	0.3521	7.9	8.5	10.4
T10	1230	660	400	12	2.5	0.45	38	2	0.3195	28.2	29.7	34.5

Note. G: coarse aggregate; S: sand; FA: fly ash; M: molarity of sodium hydroxide; S/S: sodium silicate-sodium hydroxide ratio; A/F: alkaline-fly ash ratio; EW: extra water; SP: superplasticiser; W/B: water-binder ratio.