Research Article
Finite Element Model Updating of Bridge Structures Based on Improved Response Surface Methods
Table 5
Parameters of concrete materials.
| Concrete level | Elastic modulus Ec (×104 MPa) | Shear modulus Gc (×104 MPa) | Design value of axial compressive strength fcd (MPa) | Design value of axial tensile strength ftd (MPa) | Standard value of axial compressive strength fck (MPa) | Standard value of axial tensile strength ftk (MPa) |
| C60 | 3.6 | 1.44 | 26.5 | 1.96 | 38.5 | 2.85 | C30 | 3.0 | 1.20 | 13.8 | 1.39 | 20.1 | 2.01 |
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