(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 13: Appearance of the column S6 for the Ston accelerogram at agmax = 6.0 ms−2 at different periods of time: (a) t = 2.8 s, (b) t = 3.4 s, (c) t = 3.8 s, (d) t = 4.9 s, (e) t = 5.6 s, (f) t = 6.1 s, (g) t = 6.4 s, and (h) t = 6.7 s.