Research Article
Experimental Investigation for Tensile Performance of GFRP-Steel Hybridized Rebar
Table 3
Test results for D13 FRP Hybrid Bar.
| | Number | Name | Type | Steel-to-GFRP ratio (%) | Elastic modulus | Tensile strength | | Aver. (GPa) | CoV (%) | Imp. (%) | Aver. (MPa) | CoV (%) | Imp. (%) |
| | 1 | KICT-D13 | A | 0.0 | 52.1 | 9.1 | 15.9 | 1103.3 | 2.6 | 54.3 | | 2 | Aslan-D13 | 0.0 | 47.1 | 2.2 | 4.9 | 739.4 | 2.5 | 3.4 | | 3 | V-Rod-D13 | 0.0 | 44.9 | 7.4 | — | 714.9 | 0.7 | — |
| | 4 | FHB-D13-D4-B | B | 9.2 | 76.5 | 9.1 | 70.2 | 1122.7 | 6.4 | 57.0 | | 5 | FHB-D13-D7-B | 29.9 | 94.9 | 2.9 | 111.2 | 1269.7 | 3.3 | 77.6 | | 6 | FHB-D13-D9-B | 51.0 | 111.1 | 5.0 | 147.3 | 1258.8 | 1.2 | 76.1 | | 7 | FHB-D13-D11-B | 76.2 | 148.2 | 5.8 | 229.8 | 833.9 | 8.2 | 16.6 |
| | 8 | FHB-D13-D2-4-C | C | 9.8 | 62.6 | 4.1 | 39.3 | 1150.3 | 2.7 | 60.9 | | 9 | FHB-D13-D2-13-C | 31.8 | 99.8 | 3.4 | 122.2 | 1245.4 | 1.7 | 74.2 | | 10 | FHB-D13-D2-23-C | 57.0 | 126.9 | 6.2 | 182.4 | 1323.2 | 4.9 | 85.1 | | 11 | FHB-D13-D2-29-C | 70.3 | 157.3 | 3.0 | 250.1 | 1156.4 | 2.0 | 61.7 |
| | 12 | FHP-D13-D10-D | D | 57.2 | 110.1 | 7.2 | 144.9 | 669.5 | 3.3 | −6.3 |
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Note. Improvement (Imp.) is relative values normalized to case number 3.
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