Research Article

Response Surface-Based Finite Element Model Updating of Steel Box-Girder Bridges with Concrete Composite Decks

Table 2

Range of updated structural parameters.

Updating parametersModulus of elasticity of SFRC (×104 MPa)Density of SFRC (kg/m3)Thickness of SFRC (mm)Temperature of epoxy asphalt (°C)Modulus of elasticity of steel box girder (×105 MPa)

Initial value3.452400130302.1
Variation range(2.9, 4)(2000, 2800)(100, 160)(0, 60)(1.68, 2.52)