Research Article

Finite Element Model Updating of Bridge Structures Based on Improved Response Surface Methods

Table 5

Parameters of concrete materials.

Concrete levelElastic 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)

C603.61.4426.51.9638.52.85
C303.01.2013.81.3920.12.01