Soil-Structure Interaction Effect on Fragility Curve of 3D Models of Concrete Moment-Resisting Buildings

Table 5

Mean and standard deviation of fragility curves of the studied buildings in different states.

Type of support	CDF parameters	IM = Sa(, )			IM = Saavg(, )
		6-story	12-story	18-story	6-story	12-story	18-story
No SSI	Median ()	3.3406	2.1869	1.0397	2.6408	1.4185	0.8287
	Standard deviation ()	0.4318	0.4344	0.3867	0.3338	0.3082	0.3307
With SSI	Median ()	3.1761	1.7000	0.8003	2.5861	1.1515	0.6552
	Standard deviation ()	0.4366	0.4852	0.4669	0.3271	0.2822	0.4439
Error estimation of fixed-based assumption (%)		4.92%	22.26%	23.03%	2.07%	18.82%	20.93%