US Patent 8015775 Light weight load bearing architectural column

A lightweight load bearing architectural column is disclosed. The column includes an exterior shell formed of a plurality of walls that together define an open interior. An interior load bearing shaft is within the exterior shell and is proportionally smaller than the exterior shell. One portion of the interior load bearing shaft is connected against one interior wall of the exterior shell with the remaining portions of the interior shaft being independent of the other interior walls of the interior shell.