| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel framework structure in which the arrangement of columns on each floor can be set freely and opening sections are designed freely while the transport, erection, working or the like of a framework component is facilitated. SOLUTION: Shape steel is used for steel pipes, beam materials 3 and girder materials in the columns 5 in the framework components of steel frames, the columns 5 are formed in separate members separated in upper and lower sections in the sections of the beam materials 3 in the columns 5 of the lower floors and the columns 5 of the upper floors, and the places of an entrance and windows set as the opening sections of a building can be designed freely by separately connecting the columns 5 of the lower floors and the columns 5 of the upper floors by bolts to the beam materials 3.
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