(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 14: Appearance of the column S6m for the Ston accelerogram at agmax = 3.5 ms−2 at different periods of time: (a) t = 2.4 s, (b) t = 4.5 s, (c) t = 5.5 s, (d) t = 6.2 s, (e) t = 7.0 s, (f) t = 7.9 s, (g) t = 8.9 s, and (h) t = 9.9 s.