Research Article
Behavior of Strengthened Composite Prestressed Concrete Girders under Static and Repeated Loading
Table 1
Girders details and concrete test results.
| | Group | Girder designation | Scheme | Loading type | Concrete properties for I-shaped girders | Concrete properties for deck slab | | (f′c) MPa | (fct) MPa | (Ec) MPa | (f′c) MPa | (fct) MPa | (Ec) MPa |
| | I | G1 | Unstrengthened | Static | 38.4 | 4.25 | 29,725 | 37.8 | 4.19 | 29,438 | | G2 | Unstrengthened | Repeated | | II | P1 | Strengthened | Static | | P2 | Strengthened | Repeated |
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: concrete composite strength, fct: concrete splitting strength, Ec: modulus of elasticity of concrete.
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