Vibration-Based Damage Detection of a Steel-Concrete Composite Slab Using Non-Model-Based and Model-Based Methods

Table 4

Updating parameters for sensitivity analysis.

Updating parameter	Lower limit	Upper limit	Distribution pattern	Nominal value
Elastic modulus E	0.8E0	1.5E0	Linear	E0 = 3.51 × 10^5 MPa
Density ρ	0.8ρ0	1.5ρ0	Linear	ρ = 2450 kg/m^3
Axial stiffness of support spring K1	0.01K1	100K1	Logarithmic	K1 = 200 kN/mm
Axial stiffness of beam-slab spring K2	0.01K2	100K2	Logarithmic	K2 = 100 kN/mm
Axial stiffness of connector spring K3	0.01K3	100K3	Logarithmic	K3 = 100 kN/mm