Sequential Ground Motion Effects on the Behavior of a Base-Isolated RCC Building

Table 4

Maximum relative displacements for the RCCs.

Ground motion number		Mainshock (m)			Seismic sequence (m)
		Fixed-base	Base-isolated	DAR	Fixed-base	Base-isolated	DAR
(1)	1.219	0.024	0.002	91.2%	0.032	0.003	91.8%
(2)	1.039	0.019	0.004	78.9%	0.032	0.004	87.7%
(3)	0.523	0.031	0.004	87.9%	0.031	0.004	87.9%
(4)	0.430	0.014	0.002	86.9%	0.014	0.002	86.9%
(5)	1.215	0.013	0.001	89.1%	0.013	0.001	89.1%
(6)	1.845	0.025	0.002	90.9%	0.042	0.003	92.2%
(7)	0.974	0.012	0.002	85.7%	0.019	0.002	90.5%
(8)	0.888	0.011	0.001	86.8%	0.011	0.001	86.8%
(9)	0.934	0.033	0.005	84.7%	0.033	0.005	84.7%
(10)	0.923	0.035	0.005	86.1%	0.035	0.005	86.1%
(11)	1.078	0.007	0.003	57.0%	0.015	0.003	80.9%
(12)	1.811	0.014	0.002	82.2%	0.029	0.005	82.7%
(13)	0.883	0.014	0.002	82.1%	0.014	0.002	82.1%
(14)	1.318	0.016	0.002	90.5%	0.021	0.002	89.6%
(15)	1.341	0.032	0.008	76.1%	0.040	0.008	81.1%
(16)	0.938	0.028	0.006	77.6%	0.033	0.006	80.8%
(17)	0.667	0.031	0.004	86.3%	0.031	0.004	86.3%
(18)	0.577	0.029	0.004	86.9%	0.029	0.004	86.9%
(19)	1.285	0.017	0.002	88.2%	0.021	0.002	90.4%
(20)	0.763	0.014	0.001	89.8%	0.014	0.001	89.8%
Average	1.033	0.0210	0.003		0.0255	0.003