General research on Japanese steel structures

 
Stainless steel has significant meaning in corrosion resistance, which enhances the application of stainless steel in the form of thin-walled sections to light-weight structures. This article is about R & D program for utilizing thin stainless steel plates in building constructions.
The organization of research committee, material specifications of stainless steel in the scope of the program, and topics of research subjects assigned in the program are briefly introduced. Since local buckling strength is one of the most important issues in the design of thin-walled structures, experimental results on stainless steel stub-columns are presented. Investigated sections are angle, channel, lipped channel, H-shaped, square box, and circular cylindrical sections, which are formed from two grades of austenitic stainless steels designated SUS304 and SUS301L 3/4H, whose specified yield strengths for design are 235 and 440 N/mm2, respectively. Based on this experiment, effective width-to-thickness ratios of loosed and stiffened plate elements and limit diameter-to-thickness ratios of circular cylinders are established for design purposes.

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