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

Table 1

Sections for beams.

Profile	ID	Area (cm^2)	Inertia (strong axis) (cm^4)
IPE100	1	10.3	171.1
IPE120	2	13.2	318.0
IPE140	3	16.4	541.1
IPE160	4	20.1	869.5
IPE180	5	23.9	1317.0
IPE200	6	28.5	1943.0
IPE220	7	33.4	2772.1
IPE240	8	39.1	3892.2
IPE270	9	45.9	5790.2
IPE300	10	53.8	8355.8
IPE330	11	62.6	11770.2
IPE360	12	72.7	16270.1
IPE400	13	84.5	23130.0
IPE450	14	98.8	33740.1
IPE500	15	116.0	48200.0
IPE550	16	134.0	67119.8
IPE600	17	156.0	92080.0