Seismic Fragility Analysis of Bridge Group Pile Foundations considering Fluid-Pile-Soil Interaction

Table 5

The fundamental period comparison between considering FSI and without FSI (unit: s).

Model	Without FSI	Considering FSI
		10 m	15 m	20 m	25 m	30 m	35 m	40 m
Model A	3.51	3.52	3.53	3.54	3.56	3.58	3.61	3.64
Model B	2.25	2.25	2.25	2.25	2.25	2.26	2.27	2.27