PREPARATION OF SQUARE PILLARRSHAPED STEEL TUBE HAVING PENETRATING DIAPHRAGM AT BEAM WELDING JOINING PART

摘要

PURPOSE:To economically form the square pillar-shaped steel tube, provided penetrating diaphragm at the beam welding joining part, having a high safety of intensity, by welding and setting up the square pillar-shaped steel tube, having opening part, penetrating diaphragm, blocking plate and corbel beam web etc.