...
SDS = Short period design spectral acceleration coefficient
Sav = Design vertical response spectral acceleration
D = Dead load
Ev = Vertical seismic load
Eh = Horizontal seismic load effect
...
Vertical Seismic Load Effect
...
...
SDS = Short period design spectral acceleration coefficient
Sav = Design vertical response spectral acceleration
D = Dead load
Ev = Vertical seismic load
Eh = Horizontal seismic load effect
...
Vertical Seismic Load Effect
...