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

Table 8

Mean values of E_G for the 3- and 10-level buildings.

Parameter	Member	3-level										10-level
		NS direction					EW direction					NS direction			EW direction
		Sa/g values					Sa/g values					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	0.2	0.4	0.6	0.2	0.4	0.6
EG	B + C	0.011	0.031	0.059	0.091	0.129	0.009	0.024	0.044	0.069	0.099	0.026	0.111	0.218	0.017	0.083	0.171
	B	0.028	0.084	0.155	0.236	0.324	0.023	0.065	0.118	0.18	0.253	0.076	0.314	0.383	0.047	0.241	0.475
PG		48.2	21.1	13.9	10.7	8.9	63.0	28.8	19.3	14.7	11.7	19.3	7.3	7.8	31.7	9.7	6.5