2169. Long and short spans of a two way slab are l and l and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. Accordingy to xRankine Grashoff theory___________________? September 7, 2025 by Admin A. (wx/wy) = (ly/lx) B. (wx/wy) = (ly/lx)² C. (wx/wy) = (ly/lx)4 D. None of these ✅ The correct answer is option C.