Study on Passive and Semiactive Control Systems in Structures under Near- and Far-Field Earthquakes

Table 13

Performance criteria for the proposed control systems under near-field earthquakes: reduced stiffness in the 5th story.

		PGA (g)
		0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1.0
	MR	0.9053	0.8894	0.8807	0.8962	0.9136	0.8864	0.8902	0.8980	0.9068	0.9179
	TMD	0.9501	0.9443	0.9287	0.9831	1.0150	1.0051	0.9863	0.9765	0.9657	0.9728
	MR + TMD	0.8399	0.8344	0.8317	0.8731	0.9437	0.8885	0.8836	0.8826	0.8852	0.8903
	MR	0.9878	0.9910	1.0013	0.9880	0.9927	0.9909	0.9941	0.9956	1.0008	1.0044
	TMD	0.9635	0.9837	0.9896	0.9955	0.9953	0.9942	0.9961	0.9967	0.9990	0.9976
	MR + TMD	0.9431	0.9665	0.9849	0.9786	0.9851	0.9852	0.9919	0.9936	0.9973	1.0018
	MR	0.2347	0.3616	0.4098	0.4263	0.3948	0.3879	0.3790	0.3853	0.4012	0.4156
	TMD	0.9381	0.9497	0.9949	0.9947	0.9971	0.9940	0.9961	0.9984	0.9984	0.9977
	MR + TMD	0.2517	0.3822	0.4475	0.4617	0.4259	0.3989	0.3973	0.4043	0.4034	0.4040
	MR	0.3275	0.4184	0.4702	0.5677	0.6244	0.6517	0.6738	0.6927	0.7088	0.7179
	TMD	0.9340	0.9411	0.9676	0.9936	0.9928	0.9906	0.9880	0.9879	0.9945	0.9933
	MR + TMD	0.2656	0.3782	0.4487	0.5607	0.5993	0.6199	0.6360	0.6556	0.6725	0.6865
	MR	0.9016	0.8670	0.8902	0.8660	0.8543	0.8068	0.7812	0.7946	0.8059	0.8410
	TMD	0.8292	0.8613	0.8452	0.8726	0.9355	1.0435	1.0175	0.9993	0.9458	0.9592
	MR + TMD	0.6832	0.7138	0.7556	0.7479	0.7764	0.7872	0.7843	0.7964	0.7893	0.8072
	MR	1.0016	0.9924	0.9970	1.0054	1.0025	1.0015	1.0027	1.0036	1.0064	1.0114
	TMD	0.8801	0.9216	0.9443	0.9676	0.9386	0.9824	0.9846	0.9870	0.9887	0.9892
	MR + TMD	0.8566	0.8988	0.9413	0.9676	0.9270	0.9817	0.9859	0.9901	0.9937	0.9994
	MR	0.1789	0.2579	0.2953	0.3247	0.3314	0.3312	0.3286	0.3281	0.3291	0.3303
	TMD	0.8268	0.8721	0.8895	0.9319	0.9041	0.9549	0.9591	0.9625	0.9662	0.9695
	MR + TMD	0.1995	0.2667	0.3138	0.3417	0.3288	0.3369	0.3383	0.3410	0.3445	0.3455
	MR	0.2692	0.3557	0.4291	0.4894	0.5042	0.5279	0.5639	0.6205	0.6617	0.6914
	TMD	0.8253	0.8735	0.8901	0.9314	0.9034	0.9579	0.9702	0.9767	0.9607	0.9665
	MR + TMD	0.1958	0.2964	0.3854	0.4480	0.4657	0.5126	0.5542	0.6194	0.6703	0.7060