Research Article

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

Table 5

Results of the tested beams.

GroupSpecimen IDReinforcement ratio ρfFirst crack load Pcr (kN)Ultimate load Pu (kN)Deflection Δ (mm)Failure mode

G1G01-GPC500.67ρfb18.3057.70028.42Tension failure
G02-GPC501.34ρfb20.8100.00028.98Balanced failure
G03-GPC502.07ρfb22.60145.80035.17Compression failure

G2C01-GPC500.66ρfb14.8112.527.5Tension failure
C02-GPC501.38ρfb15.7154.122.5Compression failure
C03-GPC502.07ρfb19.9169.819.2Compression failure