Steel structure in which square steel pipe columns and beams are joined, and its construction method

摘要

The present invention relates to a steel structure in which a rectangular steel pipe column and an improved beam are joined, and a construction method thereof, and a rectangular steel pipe column 100-1 installed vertically on the floor, and a predetermined height of the rectangular steel pipe column 100-1 It includes a double H-beam improved beam 200 that is joined to form a vertical for each. The present invention has advantages in that constructability is improved, seismic performance is improved with a fully welded structure, economical efficiency is advantageous, and appearance is improved.