High Response Performance of a Tuned-Mass Damper for Vibration Suppression of Offshore Platform under Earthquake Loads

Table 1

Results of the evaluation indices.

Seismic excitation	Displacement response		Acceleration response
	El-Centro NS	0.8049	0.2805	0.7722	0.3239
Taft EW	0.8191	0.2744	0.7283	0.4406