Shock and Vibration

Research Article

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

Table 9

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


	PGA (g)
	0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1.0

MR	0.9324	0.9010	0.8892	0.9009	0.9095	0.9208	0.9103	0.8957	0.9007	0.9074
TMD	0.8425	0.8435	0.8597	0.8938	0.9112	0.9461	0.9726	0.9772	0.9640	0.9518
MR + TMD	0.7541	0.7486	0.7647	0.8056	0.8377	0.8661	0.8801	0.8811	0.8835	0.8773

MR	1.0147	1.0048	0.9975	0.9887	0.9897	0.9876	0.9886	0.9909	0.9915	0.9903
TMD	0.9824	0.9847	0.9918	0.9998	1.0037	1.0011	1.0005	0.9998	0.9991	0.9989
MR + TMD	0.9836	0.9784	0.9829	0.9869	0.9920	0.9906	0.9899	0.9909	0.9897	0.9895

MR	0.2229	0.2528	0.2950	0.3208	0.3472	0.3745	0.3986	0.4207	0.4258	0.4195
TMD	0.9042	0.9099	0.9593	0.9792	1.0048	1.0108	1.0157	1.0028	0.9954	0.9833
MR + TMD	0.2101	0.2146	0.2596	0.2869	0.3305	0.3614	0.3918	0.4111	0.4174	0.4097

MR	0.2838	0.3299	0.3695	0.3833	0.4049	0.4290	0.4379	0.4451	0.4583	0.4820
TMD	0.9080	0.9126	0.9582	0.9649	0.9883	1.0246	1.0135	0.9944	0.9794	0.9791
MR + TMD	0.2511	0.2798	0.3240	0.3488	0.3901	0.4163	0.4245	0.4345	0.4538	0.4647

MR	0.8732	0.8320	0.7745	0.7887	0.8287	0.8481	0.8347	0.8252	0.8349	0.8266
TMD	0.7392	0.7462	0.7447	0.7745	0.7797	0.8761	0.8933	0.9012	0.9073	0.8935
MR + TMD	0.6115	0.6103	0.5997	0.6294	0.6650	0.7164	0.7272	0.7319	0.7442	0.7424

MR	1.0103	0.9840	0.9639	0.9694	0.9811	0.9863	0.9907	0.9939	0.9963	0.9977
TMD	1.0242	1.0281	1.0376	1.0582	0.9994	1.0887	1.0933	1.0965	1.0992	1.1022
MR + TMD	0.9241	0.9170	0.9196	0.9369	0.9359	0.9730	0.9787	0.9832	0.9863	0.9888

MR	0.1612	0.1773	0.1985	0.2254	0.2566	0.2817	0.2990	0.3100	0.3137	0.3170
TMD	0.7908	0.7995	0.8115	0.8461	0.8345	0.9250	0.9359	0.9450	0.9541	0.9628
MR + TMD	0.1285	0.1434	0.1682	0.1957	0.2254	0.2580	0.2760	0.2878	0.2938	0.2983

MR	0.2318	0.2467	0.2587	0.2862	0.3166	0.3401	0.3602	0.3768	0.3994	0.4291
TMD	0.7806	0.7889	0.7971	0.8314	0.8213	0.9110	0.9225	0.9299	0.9380	0.9446
MR + TMD	0.1690	0.1839	0.2061	0.2359	0.2682	0.3022	0.3247	0.3442	0.3680	0.3931