PURPOSE: A high quality of a frame structure constructing method is provided to save the cost by a short period of construction and to improve resistance against earthquake and durability. CONSTITUTION: The constructing method is conducted that a square or a round concrete drop is formed on a steel board and put the truss of a lower steel board and that concrete is poured to the concrete drop by manufacturing and welding with an upper steel board at the factory or the field. The structure in which constructing period is short, stands earthquake generating vertically and horizontally and the concrete is poured without installing the mold of the steel reinforcing and concrete.
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