Quote:
Originally Posted by byndbad914
Who on Earth told you that? I am not saying it is bad to use square tubing, but what you just stated is based on something other than engineering... generally speaking a square is one of the worst shapes, hence why you see a lot of round columns for compression members like bridges across the nation and engineers use words like "triangulate" - make sure to make every square a triangle at some point. Not too many square submarines out there  |
Actually, a square beam is stronger in bending and as a simple beam, using engineering equations. Both or these failure modes are based on the members moment of inertia, and a square tube has a higher value.
And triangulation refers to frame nodes and tube intersections, not the material shape.