Figure 6
From: Effect of single tube sections on the structural safety of Chinese solar greenhouse skeletons

Normal skeleton stress diagram under uniform snow load condition: (a) round tube; (b) square tube; (c) Ω tube; (d) elliptic tube.
From: Effect of single tube sections on the structural safety of Chinese solar greenhouse skeletons

Normal skeleton stress diagram under uniform snow load condition: (a) round tube; (b) square tube; (c) Ω tube; (d) elliptic tube.