Bayesian Probabilistic Framework for Damage Identification of Steel Truss Bridges under Joint Uncertainties

Table 1

Material and geometrical properties of the truss members.

Parameter	Column-beam elements	Bolts	Balls
Young’s modulus (N/m^2)	2.10𝐸11	2.10𝐸11	2.10𝐸11
Area (m^2)	3.05𝐸−4	—	—
Density (Kg/m^3)	7850	7850	7850
Mass (Kg)	2.835	0.05	3.868
The Poisson ratio	0.3	0.3	0.3
Moment of inertia 𝐼𝑥𝑥 (m^4)	1.31𝐸−7	—	—
Moment of inertia 𝐼𝑦𝑦 (m^4)	1.31𝐸−7	—	—