Research Article
Behavior of Strengthened Composite Prestressed Concrete Girders under Static and Repeated Loading
Table 2
Properties of the strands.
| Nominal diameter, mm | Grade, MPa | Nominal area, mm2 | Breaking strength, kN | Modulus of elasticity, MPa | εy | εu |
| 12.7 | 1860 | 98.7 | 183.7 | 190,000 | 0.01 | 0.03 | 15.24 | 1860 | 140 | 260.7 | 190,000 | 0.01 | 0.054 |
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