Keywords: GFRP Rebar Mechanical Properties,Fiber Rebar Concrete

Physical and Mechanical Properties

GFRP Rebar

Size	Shear strength	Tensile strength	Modulus of Elasticity	Ultimate tensile strain
（mm）	MPa	MPa	E/ GPa	ε（%）
d＜16mm	≥110	≥600	≥1.2	≥40
16≤d＜25mm	≥110	≥550	≥1.2	≥40
25≤d＜34mm	≥110	≥550	≥1.2	≥40
d≥34mm	≥110	≥450	≥1.2	≥40

Sample Test

Table 1 list the fiber content is about 75% by volume, according to US standards for GFRP material testing, the GFRP rebar measured by making samples, storing samples, adjusting samples and conducting tests in a standard test environment with a temperature of 23±3°C and a relative humidity of 50%±10% Physical and mechanical properties of tendons.

Table. 1 Physical and mechanical properties of GFRP bars

Diam/mm Mechanical properties	6	8	10	12	14	16	18	20	22	25	28	30	32	34
Tensile strength /MPa	1468	1131	997	906	893	961	876	970	888	1066	994	936	946	909
Shear strength /MPa	266	212	172	191	218	150	200	179	185	177	174	158	154	156
Elastic modulus /103MPa	40.2	40.1	40.2	40.3	40.2	39.7	39.6	40.2	39.9	40.0	39.6	39.9	40.3	40.2