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

Table 2

Test program.

Group	Specimen ID	FRP type	Beam section		Compressive strength (MPa)	Reinforcement ratio condition	Predicted mode failure
			b (mm)	h (mm)
G1	G01-GPC50	GFRP	160	300	50	ρf < ρfb	Tension failure
	G02-GPC50					ρfb < ρf < 1.4ρfb	Balanced failure
	G03-GPC50					ρf > 1.4ρfb	Compression failure
G2	C01-GPC50	CFRP	110	300	50	ρf < ρfb	Tension failure
	C02-GPC50					ρfb < ρf < 1.4ρfb	Balanced failure
	C03-GPC50					ρf > 1.4ρfb	Compression failure