Multidimensional Seismic Control by Tuned Mass Damper with Poles and Torsional Pendulums

Table 4

Increasing rate of damping ratio of the TMDPPs with different design parameters.

	Parameters
Increasing rate (%)	Length conversion factor of length		Mass ratio of TMDPP to structure
	Displacement in   direction	1.87	−0.78	−0.58	0.66	−0.49	1.11
	Displacement in direction	0.79	−0.49	−0.34	0.25	−0.37	0.53
Acceleration in direction	24.47	−17.3	−6.52	3.38	−10.56	13.46
Acceleration in direction	26.09	−32.36	−7.09	4.46	−20.94	20.73
Torsion angle	1.12	−0.43	−0.31	0.33	−0.35	0.74