Energy Dissipation and Local, Story, and Global Ductility Reduction Factors in Steel Frames under Vibrations Produced by Earthquakes

Table 6

Mean values of (E_Lϕ)_SB and _SC, 3-level building.

Type of member	ST	NS direction					EW direction
		Sa/g values					Sa/g values
		0.4	0.6	0.8	1.0	1.2	0.4	0.6	0.8	1.0	1.2
Beams (ELϕ)SB	1	0.053	0.147	0.256	0.379	0.512	0.045	0.114	0.188	0.274	0.376
	2	0.022	0.072	0.140	0.216	0.298	0.018	0.055	0.109	0.170	0.242
	3	0.008	0.033	0.069	0.113	0.161	0.007	0.025	0.057	0.096	0.141
Columns SC	1	0.003	0.010	0.025	0.046	0.076	0.003	0.007	0.017	0.031	0.050
	2	0.001	0.003	0.004	0.007	0.013	0.001	0.003	0.004	0.006	0.010
	3	0.001	0.001	0.002	0.004	0.007	0.001	0.001	0.002	0.004	0.007