Frp Rebar Wrap Properties: BFRP_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 (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BFRP_bar | BFRP_bar_No3 | 0.000009 | 0.000022 | 71 | No.3 | 11 | 2,100 | 9.5 | 50 | 0.65 | basalt | 120 | Basalt FRP bar No.3; basalt fiber: fu~2800 MPa, E~89 GPa; composite at 65% Vf: f*fu~1000 MPa, Ef~50 GPa; CE=0.65 (estimated per ACI 440.1R-15 GFRP precedent, BFRP not yet explicitly listed; conservative); max service temp higher than GFRP due to basalt thermal stability | 1,000 | 2 |
| BFRP_bar | BFRP_bar_No4 | 0.000009 | 0.000022 | 129 | No.4 | 11 | 2,100 | 12.7 | 50 | 0.65 | basalt | 120 | Basalt FRP bar No.4; f*fu=970 MPa (conservative minimum based on reviewed test data range 1100-1565 MPa; 970 MPa accounts for CE and variability); Ef=45-55 GPa range; density 2100 kg/m3 (4.5x lighter than steel per product literature) | 970 | 1.9 |
| BFRP_bar | BFRP_bar_No5 | 0.000009 | 0.000022 | 199 | No.5 | 11 | 2,100 | 15.9 | 48 | 0.65 | basalt | 120 | Basalt FRP bar No.5; CE=0.65 estimated (not codified in ACI 440.1R-15; basalt CE proposed 0.65-0.70 in fib Bulletin 40 review; marked as estimate); basalt fibers more UV-resistant than E-glass; fire resistance higher | 940 | 2 |
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