Research Article
Experimental Investigation for Tensile Performance of GFRP-Steel Hybridized Rebar
Table 4
Test results for D16 FRP Hybrid Bar.
| | Number | Name | Type | Steel-to-GFRP ratio (%) | Elastic modulus | Tensile strength | | Aver. (GPa) | CoV (%) | Imp. (%) | Aver. (MPa) | CoV (%) | Imp. (%) |
| | 1 | KICT-D16 | A | 0.0 | 57.0 | 3.4 | — | 1209.5 | 2.3 | — |
| | 2 | FHB-D16-D2-7-C | C | 10.9 | 58.5 | 0.5 | 2.5 | 1232.7 | 2.5 | 1.9 | | 3 | FHB-D16-D2-23-C | 36.9 | 97.2 | 3.7 | 70.6 | 1238.6 | 1.8 | 2.4 | | 4 | FHB-D16-D2-41-C | 60.2 | 143.3 | 3.1 | 151.4 | 1283.1 | 3.6 | 6.1 | | 5 | FHB-D16-D2-47-C | 70.1 | 155.1 | 9.1 | 172.1 | 1361.8 | 1.3 | 12.6 |
| | 6 | FHP-D16-D10-D | D | 36.6 | 100.4 | 5.5 | 76.1 | 779.5 | 2.1 | −35.6 | | 7 | FHP-D16-D13-D | 63.2 | 146.8 | 6.9 | 157.5 | 596.5 | 2.2 | −50.7 |
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Note. Improvement (Imp.) is relative values normalized to case number 1.
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