Research Article
Experimental Research of Continuous Concrete Beams with GFRP Reinforcement
Table 2
Mechanical and deformation characteristics of GFRP reinforcement.
| Diameter | Real area of bar A (mm2) | Tensile strength fu (MPa) | Yield strength fy (MPa) | Modulus of elasticity E (MPa) | Ultimate strain εu (‰) |
| GFRP-1-Ø8 | 39.9 | 714.8 | — | 42640 | 16.8 | GFRP-1-Ø10 | 70.6 | 703.1 | — | 41300 | 17.0 | GFRP-1-Ø12 | 116.1 | 865.9 | — | 45832 | 18.9 | GFRP-1-Ø14 | 152.8 | 813.5 | — | 44324 | 18.4 | GFRP-2-Ø9 | 53.3 | 1170.4 | — | 50235 | 23.3 | GFRP-2-Ø10 | 61.5 | 1059.3 | — | 43734 | 24.2 | GFRP-2-Ø12 | 91.6 | 1060.4 | — | 48182 | 22.0 | Steel-Ø10 | 78.5 | 639.5 | 509.6 | 188064 | 2.7a | Steel-Ø12 | 113.1 | 622.5 | 452.7 | 176835 | 2.6a |
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aεy = yield strain of steel reinforcement.
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