Microstructure Characteristics of GFRP Reinforcing Bars in Harsh Environment

Table 4

Mechanical properties of unconditioned GFRP reinforcing bars.

Reference	Tensile strength (MPa)	Tensile modulus (GPa)	Tensile strain (%)	Flexural strength (MPa)	Flexural modulus (GPa)	Flexural strain (%)	Shear strength (MPa)
[7]	653	38.5	—	888	—	—	—
[8]	—	—	—	1150–1573	56.9–663.3	2.02–2.54	250–270
[9]	1105–1184	62.6–64.7	1.71–1.89	—	—	—	—
[10]	816–1321	52–53	—	—	—	—	—
[11]	816–1321	52–53	—	—	—	—	—
[12]	612–958.3	31.6–51.8	—	—	—	—	—
[13]	728	47.6	1.53	—	—	—	—
[14]	786	46.3	1.7	1005	46.8	2.15	212
[15]	644.7	53.4	1.2	—	—	—	—
[23]	1015–1220	—	—	—	—	—	—
[24]	1237.4–1315.3	60.0–62.5	2.1–2.3	1406.3–1757.5	—	—	—
[25]	788	47.2	1.7	1095	52.6	2.15	185
[26]	786	46.3	1.7	—	—	—	—
[27]	—	—	—	759–1324	49.3–54.1	—	151–197
[28]	821	44.4	1.84	—	—	—	—
[29]	1200	42.9	2.8	—	—	—	—
[30]	1478	60.4	2.45	—	—	—	—
[31]	714.6	55	1.62	—	—	—	—
[32]	1478	60.4	2.45	—	—	—	—
[33]	700	40.8	—	—	—	—	—
[34]	854	43.0	—	—	—	—	—
[35]	580–658	40–42	1.4–1.6	—	—	—	—
[36]	660.6–692.8	38.5–42.7	—	—	—	—	36.9–42.3
[37]	432–1478	41.9–60.4	1.04–2.45	—	—	—	—