Experimental Research on Damping Effect of Double-Layer Tuned Mass Damper for High-Rise Structure

Table 10

Decreasing ratios of the model with DTMD under LP ground motions.

Parameters	RSN	Peak (g)	Connection cases			Decreasing ratio (%)
			I	II	III	I	Average	II	Average	III	Average
ADR (mm)	69 (249)	0.35	6.88	6.74	6.72	9.1	10.1	10.9	11.6	11.2	13.6
	74		6.49	6.37	6.15	11.1		12.7		15.8
	90 (132)		6.21	6.14	5.95	10.2		11.2		13.8
	69 (249)	1.00	14.74	14.58	14.23	11.8	13.2	12.8	18.1	14.9	21.1
	74		15.14	14.24	13.74	17.1		22.0		24.7
	90 (132)		9.86	8.87	8.41	10.6		19.5		23.8
RMS-ADR (mm)	69 (249)	0.35	2.10	2.02	1.98	9.9	10.0	13.4	12.9	15.1	14.5
	74		2.24	2.12	2.11	11.0		15.8		16.5
	90 (132)		1.72	1.71	1.66	9.0		9.4		12.0
	69 (249)	1.00	3.83	3.67	3.46	13.4	15.2	17.0	20.1	21.7	23.7
	74		5.00	4.60	4.33	15.4		22.1		26.8
	90 (132)		3.47	3.28	3.22	16.7		21.2		22.7
AR (m/s^2)	69 (249)	0.35	3.57	3.39	3.24	−0.3	8.2	4.8	10.7	9.1	13.7
	74		4.55	4.52	4.40	13.6		14.2		16.5
	90 (132)		4.25	4.16	4.04	11.3		13.1		15.6
	69 (249)	1.00	9.31	9.12	8.44	9.5	13.6	11.3	18.4	17.9	22.4
	74		10.82	9.92	9.47	17.8		24.6		28.0
	90 (132)		11.09	10.34	10.08	13.4		19.3		21.3
SR (με)	69 (249)	0.35	329.84	317.44	316.58	7.9	10.2	11.4	12.9	11.6	13.6
	74		364.71	353.18	352.34	12.4		15.2		15.4
	90 (132)		365.57	357.60	351.39	10.3		12.2		13.7
	69 (249)	1.00	846.33	824.36	803.16	15.7	14.5	17.9	20.1	20.0	22.1
	74		1427.85	1310.53	1269.36	13.3		20.4		22.9
	90 (132)		1267.53	1157.73	1134.60	14.5		21.9		23.5