Table 6: External loads combination case.

Load combination case Load ratio
ρ1 = (SLk + SWk)/SGk ρ2 = SWk / SLk
G+ L 0.5,1.0,2.0,3.0
G+ L+W 0.5,1.0,2.0,3.0 0.5,1.0,2.0,3.0,4.0