* Section properties calculation of girder box (Indoor EOC) * Flange thickness : t2 = cm (Upper & lower) * Flange breadth : C = cm (Upper & lower) * Flange outside distance(height) : A = cm * Flange inside distance(height) : A’ = cm * Web thickness : t1 = cm * Web outside distance : B = cm * Web inside distance : B’ = cm * x - x ∎Second moment of area (Geometrical moment of inertia) ∎Modulus of ..