BRI Research Paper


A Proposal of Structural Design Method of Stainless Steel Building Structures.

T.Fukuta, H.Yamanouchi; September, 1994. 64p.


This paper deals with the structural design method propounded as the results of the national project about Research and Improvement of Techniques for Effective Use of New Metallic Materials for Building Structures, implemented from 1988 to 1993. In the project, stainless steels are one of the materials investigated, and are equivalent to SUS3O4, SUS316, SCS13A and SUS304N2 of Japan Industrial Standards (JIS).Herein, 0.1% offset strength of the stainless steel materials is adopted to be the definition of yield strength instead of 0.2% offset value. The yield ratio is also specified, in spite that their chemical combinations are the same as those of the stainless steels specified by JIS. Then, in these meanings, the stainless steels dealt here are the new metallic materials. The research items implemented in the project cover not only the field of structural performance, but also the fields of fire safety, durability and usage as finishing materials.

The structural design method introduced for the stainless steels is basically the same as that of structures with carbon steel. The stress-strain relations of these two materials are different, then, some design equations and items are characterized by the stress-strain relation of the stainless steels. Therefore, the external forces and loads for design, combination of them, and the design procedure including the seismic design routes follow those of carbon steel structures. The design criteria about carbon steels are referred in taking into consideration about classification of structural ranks of members,safety factors in design of the connections, and so on. The chapters of this paper are:


1 Stainless Steels
2 Design Flow
3 Loads and Forces
4 Material Constants of Stainless Steels
5 Allowable Stress and Design Yield Strength
6 Allowable Stress Design
7 Ultimate Lateral Story Shear Capacity Design
8 Deformability Design in Design Route 2
9 Design in Design Route 1
10 References
11 Acknowledgments
12 Appendixes

In each chapter, the design equations and design criteria are described in comparison with the experimental results so that the background of the proposed design equations and items would be also comprehended.

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