高性能60キロ鋼を用いた筋違材の復元力特性

概要

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This paper presents an experimental study that investigates the hysteretic behavior of steel braces made of high strength steel with a low yield ratio. A total of 16 single braces with an H-shaped cross section are tested under repeated loading condition, with the slenderness, width-to-thickness ratio, and type of steel as test variables. Major findings are as follows. The braces with high strength steel have the same hysteretic characteristics as braces with mild steel when compared for the same slenderness ratio normalized by the yield slenderness ratio. The effect of width-to-thickness ratio on the hysteresis is most conspicuous for braces with normalized slenderness ratios of 0.6 to 0.8. The stabilized strength stipulated by the LSD specification (draft) is conservative for estimating the post-buckling strength corresponding to the axial deflection of 0.8% times the brace's length.
社団法人日本建築学会の論文
1992-07-30