Tensile Strength of GFRP Reinforcing Bars with Hollow Section

Table 3

Tensile test results.

Specimen	Tensile strength (MPa)			Elastic modulus (MPa)
	Measured	Mean (S.D.)	Ratio	Measured	Mean (S.D.)	Ratio
D19HD0	1,218	1,193 (54)	100%	53,520	55,073 (1,502)	100%
	1,229			55,180
	1,131			56,519
D19HD6	1,016	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
D19HD10	746	736 (9)	61.7%	49,664	46,252 (2,003)	84.0%
	741			45,073
	—			—
	722			46,453
	736			44,988
	738			45,080
D19HD12	684	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.