Research Article
Numerical Analysis on the Bending Performance of Prestressed Superposing-Poured Composite Beams
Table 5
Parameters of the cohesive element to simulate the C-ITZ.
| | Casting interval time | Modulus E(GPa) | Density ρ(kg/m3) | Elastic stiffness Kn(N/mm3) | Cohesion strength σn(MPa) | Fracture energy Gf(N/mm) |
| | 45 minutes | 23 | 2100 | 106 | 3.2 | 0.033 | | 14 days | 23 | 2100 | 106 | 2.0 | 0.027 |
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