ASCE 7-16 LRFD and ASD Load Combinations Symbols
D = Dead load
Em = Combined applied design force on the horizontal and vertical seismic load effects
Emh= The effect of horizontal seismic forces, including overstrength
L = Live load
Lr = roof live load
S = snow load
W = Wind load
Eh = Horizontal seismic load effect
Ev = Vertical seismic load effect
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