|
ΣWi |
Portion of the factored dead plus live load at level x determined from Sent. 4.1.8.11.(7) [3] |
|
ΣFi |
Sum of the design lateral seismic forces acting at or above level x |
|
Ro |
Overstrength-related modification factor |
|
Δmx |
Max inelastic interstory deflection defined in Sent. 4.1.8.13.(3) [3] |
|
hs |
Interstory height |
Stability Factor θx at Level x
;