595238.fig.0015a
(a)
595238.fig.0015b
(b)
595238.fig.0015c
(c)
595238.fig.0015d
(d)
595238.fig.0015e
(e)
595238.fig.0015f
(f)
Figure 15: Modal damping ratios of building A for pseudoflexible 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.