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

Figure 35

Mode shapes identified using NExT + ERA from 12:00:00, 13 Sep. 2017 to 12:30:00, 13 Sep., 2017: (a) the 1st mode shape (longitudinal); (b) the 2nd mode shape (transverse); and (c) the 4th mode shape (vertical).

(a)

(b)

(c)