595238.fig.0017a
(a)
595238.fig.0017b
(b)
595238.fig.0017c
(c)
595238.fig.0017d
(d)
595238.fig.0017e
(e)
595238.fig.0017f
(f)
Figure 17: Modal damping ratios of building A for flexible base case: (a) 1st mode, (b) 2nd mode, (c) 3rd mode versus X-direction PRA of sensor 3; (d) 1st mode, (e) 2nd mode, and (f) 3rd mode versus Y-direction PRA of sensor 3.