Enhancing Seismic Capacity of Pile-Supported Wharves Using Yielding Dampers

Table 3

Validity of the optimization assumptions.

Earthquake event	Earthquake intensity	Maximum displacement ratio (MR)		Maximum ductility ratio
		Predicted	Observed	Predicted	Observed
Northridge	strong	0.51	0.51	6	5.7
Kobe	Very strong	0.51	0.62	6	10.1
Parkfield	weak	0.51	0.92	6	2.5