Investigation of Snow Load Effects on Modal Parameters of a Steel Structure Roof

Figure 3

The first seven mode shapes of the simplified model: (a) the 1st mode; (b) the 2nd mode; (c) the 3rd mode; (d) the 4th mode; (e) the 5th mode; (f) the 6th mode; and (g) the 7th mode.

(a)

(b)

(c)

(d)

(e)

(f)

(g)