Estimation of Inelastic Interstorey Drift for OSB/Gypsum Sheathed Cold-Formed Steel Structures under Collapse Level Earthquakes

Table 5

Estimated values of η_p for seismic design.

Storey number N	Yielding coefficient of storey shear force ξy
	0.8	0.7	0.6	0.5	0.4	0.3
2	1.30	1.31	1.32	1.33	1.34	1.38
3	1.33	1.35	1.38	1.42	1.47	1.55
4	1.38	1.42	1.48	1.53	1.61	1.80
5	1.43	1.49	1.61	1.68	1.80	2.13
6	1.50	1.59	1.78	1.86	2.06	2.64
7	1.59	1.71	2.03	2.15	2.46	3.46