A Method to Improve the Seismic Performance of Steel Moment Resisting Frames Based on Eigenfrequency Optimization

Table 2

Sections for columns.

Profile	ID	Area (cm^2)	Inertia (strong axis) (cm^2)
HEA100	1	21.2	349.2
HEA120	2	25.3	606.0
HEA140	3	31.4	1033.1
HEA160	4	38.8	1672.8
HEA180	5	45.3	2509.9
HEA200	6	53.8	3692.0
HEA220	7	64.3	5410.2
HEA240	8	76.8	7763.1
HEA260	9	86.8	10449.9
HEA280	10	97.3	13669.9
HEA300	11	112.5	18260.1
HEA320	12	124.4	22930.2
HEA340	13	133.5	27689.8
HEA360	14	142.8	33090.0
HEA400	15	159.0	45070.0
HEA450	16	178.0	63720.0
HEA500	17	197.5	86969.9
HEA550	18	211.8	111900.1
HEA600	19	226.5	141199.9