Dynamic Analysis of Partially Embedded Structures Considering Soil-Structure Interaction in Time Domain

Table 4

Natural frequencies and periods of first five modes of frame no. 2.

Modes	Natural frequency (Hz)	Period (s)
First mode	1.66	0.603
Second mode	5.24	0.191
Third mode	9.41	0.106
Fourth mode	13.93	0.072
Fifth mode	17.64	0.057