Homework 6 A 50-story (every story's height is 3 m) steel square framed tube building utilizes its exterior column to carry 1/2 of the floor loads (3kN/m 2)and resist wind forces(1kN/m 2).Attached is the column layout.Using "footprint concept""Tube action”ands“Shear lag action'”, determine the section areas of middle and corner steel columns.The strength of steel is 315N/mm2.Homework 6 A 50-story (every story's height is 3 m) steel square framed tube building utilizes its exterior column to carry 1/2 of the floor loads (3kN/m ²) and resist wind forces(1kN/m ²). Attached is the column layout. Using “footprint concept” “Tube action” and “Shear lag action”, determine the section areas of middle and corner steel columns. The strength of steel is 315N/mm²