Frp Rebar Wrap Properties: CFRP_bar
Fiber-reinforced polymer (FRP) reinforcement properties for concrete structures — GFRP/CFRP/BFRP/AFRP bars per ACI 440.1R-15, and CFRP/GFRP/AFRP externally bonded wraps and pultruded plates per ACI 440.2R-17; includes tensile strength, elastic modulus, ultimate strain, density, CTE, bond strength, and environmental reduction factors CE
| product type | record id | CTE longitudinal per C (1/C) | CTE transverse per C (1/C) | area mm2 (mm2) | bar size or width | bond strength MPa (MPa) | density kg per m3 (kg/m3) | diameter mm or thickness mm (mm) | elastic modulus GPa (GPa) | environmental reduction factor CE | fiber type | max service temp C (C) | notes | tensile strength MPa (MPa) | ultimate strain pct (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CFRP_bar | CFRP_bar_No3 | 0 | 0.000074 | 71 | No.3 | 9 | 1,550 | 9.5 | 120 | 0.85 | carbon_standard | 60 | Carbon FRP bar No.3; standard modulus carbon (T700 equivalent); f*fu=1900 MPa; E_f=120 GPa; CE=0.85 per ACI 440.1R-15 Table 7.2.1 for concrete not exposed to earth/weather; CTE longitudinal near-zero (typical -1 to +1 ×10-6/C); transverse ~74e-6/C | 1,900 | 1.6 |
| CFRP_bar | CFRP_bar_No4 | 0 | 0.000074 | 129 | No.4 | 9 | 1,550 | 12.7 | 120 | 0.85 | carbon_standard | 60 | Carbon FRP bar No.4; f*fu=1800 MPa; CFRP bars show minimal diameter effect on strength unlike GFRP; CE=0.85 interior; CE=0.75 earth/weather exposure per ACI 440.1R-15 Table 7.2.1 | 1,800 | 1.5 |
| CFRP_bar | CFRP_bar_No4_CE_exterior | 0 | 0.000074 | 129 | No.4_exterior | 9 | 1,550 | 12.7 | 120 | 0.75 | carbon_standard | 60 | Same as CFRP_bar_No4 but CE=0.75 for concrete exposed to earth/weather per ACI 440.1R-15 Table 7.2.1; CFRP much less sensitive to alkaline environment than GFRP; design strength f_fu=0.75*1800=1350 MPa | 1,800 | 1.5 |
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