Seismic Response Reduction of Structures Equipped with a Voided Biaxial Slab-Based Tuned Rolling Mass Damper

Table 2

Peak response of inner-storey drifts of structures with and without TRoMaDaS with an earthquake acceleration peak value of 1.026 m/s².

Excitation	Storey		1	2	3	4	5	6
El Centro	Max. uncontr. disp. (mm)		12.59	13.04	13.62	14.11	14.27	15.38
	Max. contr. disp. (mm)	(b)	10.36	10.79	11.46	11.81	11.56	13.14
		(c)	11.50	12.23	12.74	12.75	12.33	13.01
		(d)	12.06	12.79	13.28	13.24	12.68	13.00
	Disp. red. rate (%)	(b)	17.71	17.25	15.86	16.30	18.99	14.56
		(c)	8.66	6.21	6.46	9.36	13.60	15.41
		(d)	4.21	1.92	2.50	6.17	11.14	15.47
	Max. ang. disp. (rad)	(b)	0.0075	0.0270	0.0993	0.3191	0.6343	1.0499
		(c)	—	—	0.2409	0.5213	—	—
		(d)	—	—	0.2730	0.2816	—	—
Kobe	Max. uncontr. disp. (mm)		14.70	14.78	14.71	15.70	17.56	20.04
	Max. contr. disp. (mm)	(b)	12.03	12.25	12.71	13.59	15.32	16.36
		(c)	12.40	12.55	13.03	13.87	15.68	13.01
		(d)	12.45	12.63	13.11	13.92	15.67	13.01
	Disp. red. rate (%)	(b)	18.16	17.12	13.60	13.44	12.76	18.36
		(c)	15.65	15.09	11.42	11.66	10.71	35.08
		(d)	15.31	14.55	10.88	11.34	10.76	35.08
	Max. ang. disp. (rad)	(b)	0.0061	0.0309	0.1199	0.3082	0.6185	1.0127
		(c)	—	—	0.2216	0.5352	—	—
		(d)	—	—	0.2618	0.2593	—	—