Experimental Research of Continuous Concrete Beams with GFRP Reinforcement

Table 1

Reinforcement details and compressive strength of concrete for tested beams.

Beam	Day of testing	Middle support-top reinforcement					Midspan-bottom reinforcement					Concrete compressive strength fc (MPa)
		Longitudinal reinforcement	EA (kN)	Reinforcement ratio (ACI)			Longitudinal reinforcement	EA (kN)	Reinforcement ratio (ACI)
				ρf (%)	ρfb (%)	ρf/ρfb			ρf (%)	ρfb (%)	ρf/ρfb
S1-15	28	2Ø10 + 1Ø12	49526	0.82	1.26	0.65	2Ø12 + 1Ø10	54763	0.92	1.31	0.71	42.2
G1-0	29	3Ø14	20318	1.40	0.46	3.01	2Ø12 + 1Ø10	13558	1.00	0.57	1.75	42.2
G1-15	30	2Ø10 + 1Ø14	12604	0.86	0.53	1.63	2Ø12 + 1Ø14	17415	1.19	0.46	2.58	42.2
G1-25	30	2Ø10 + 1Ø12	11153	0.74	0.51	1.44	2Ø14 + 1Ø12	18867	1.25	0.45	2.80	42.2
G2-0	28	4Ø12	17654	1.11	0.33	3.35	2Ø10 + 2Ø9	10734	0.65	0.29	2.27	50.2
G2-15	29	3Ø10 + 1Ø12	12482	0.79	0.33	2.37	2Ø12 + 2Ø9	14182	0.86	0.32	2.69	50.2
G2-25	30	3Ø9	8033	0.48	0.29	1.70	3Ø12 + 1Ø10	15930	1.10	0.37	3.02	50.2