Arc-Surfaced Frictional Damper for Vibration Control in Container Crane

Figure 14

Time-history response of displacement at the top of the portal leg of Models BS and SS for PGA = 0.4 g: (a) El Centro, (b) Taft EW, (c) Northridge EW, and (d) Kobe NS.

(a)

(b)

(c)

(d)