Evaluating the Dynamic Response of the Bridge-Vehicle System considering Random Road Roughness Based on the Moment Method

Figure 3

Eigenvalues of each grade of road roughness: (a) class A: very good; (b) class B: good; (c) class C: average; (d) class D: poor; (e) class E: very poor.

(a)

(b)

(c)

(d)

(e)