Research Article

Tensile Strength of GFRP Reinforcing Bars with Hollow Section

Table 3

Tensile test results.

SpecimenTensile strength (MPa)Elastic modulus (MPa)
MeasuredMean (S.D.)RatioMeasuredMean (S.D.)Ratio

D19HD01,218 1,193 (54) 100%53,520 55,073 (1,502) 100%
1,229 55,180
1,131 56,519

D19HD61,016 1,091 (55) 91.4%59,276 56,917 (1,464) 103.3%
1,147 55,623
1,106 56,681
1,131 57,229
1,029 55,190
1,117 57,505

D19HD8 877 (26) 73.5% 51,439 (2,163) 93.4%
863 52,641
898 49,577
873 50,036
908 50,267
843 54,674

D19HD10746 736 (9) 61.7%49,664 46,252 (2,003) 84.0%
741 45,073
722 46,453
736 44,988
738 45,080

D19HD12684 686 (37) 57.5%38,819 35,439 (2,233) 64.3%
731 35,442
640 34,792
730 33,410
666 37,175
667 32,999

S.D.: standard deviation.