Seismic Response of Steel SMFs Subjected to Vertical Components of Far- and Near-Field Earthquakes with Forward Directivity Effects

Table 4

Comparison of the average value of the peak floor amplification of stories and roof displacement subjected to near- and far-field earthquakes.

	Story	FF	NF	NF/FF
Acceleration (g)	3	0.029	0.038	1.310
	5	0.026	0.025	0.961
	8	0.189	0.198	1.047
	20	0.304	0.705	2.319
Displacement (mm)	3	0.23	0.33	1.43
	5	0.25	0.35	1.40
	8	0.38	0.48	1.26
	20	0.26	0.35	1.35