Frp Rebar Wrap Properties: CFRP_wrap
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 | bar size or width | density kg per m3 (kg/m3) | diameter mm or thickness mm (mm) | elastic modulus GPa (GPa) | environmental reduction factor CE | fiber type | notes | tensile strength MPa (MPa) | ultimate strain pct (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| CFRP_wrap | CFRP_wrap_1ply | 305mm_wide | 1,550 | 0.165 | 230 | 0.85 | carbon_standard | CFRP unidirectional wet lay-up wrap; 1-ply composite properties; nominal thickness 0.165 mm/ply (per ACI 440.2R-17 Sec 4.3.5 and SikaWrap 230C/Tyfo SCH-41 benchmark); tensile strength 3900 MPa fiber; composite laminate properties reported; CE=0.85 for CFRP per ACI 440.2R-17 Table 6 | 3,900 | 1.7 |
| CFRP_wrap | CFRP_wrap_2ply | 305mm_wide | 1,550 | 0.33 | 230 | 0.85 | carbon_standard | CFRP wrap 2-ply system; thickness additive at 0.165mm/ply; same fiber properties; n*tf used in ACI 440.2R-17 design equations; most common commercial system thickness for beam/column strengthening | 3,900 | 1.7 |
| CFRP_wrap | CFRP_wrap_CE_exterior | 305mm_wide_exterior | 1,550 | 0.165 | 230 | 0.7 | carbon_standard | CFRP wrap in aggressive exposure (soil/chemical/offshore); CE=0.70 per ACI 440.2R-17 Table 6; versus 0.85 for interior/exterior without chemical exposure; used in marine piers, buried structures | 3,900 | 1.7 |
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