日本建築学会構造系論文集
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
一定軸力下において繰り返し曲げを受ける鉄骨コンクリート部材の履歴特性および塑性変形能力に関する研究
鈴木 敏郎元結 正次郎内山 政彦
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1996 年 61 巻 490 号 p. 207-214

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In respect to the composite beam-column which is made of H-shaped steel and concrete placed between upper and lower flange of the steel, the followings have been comprehended from experimental results on its plastic mechanical behavior and its hystresis characteristics against cyclic increasing bending moment under applying of constant axial force. 1.Concrete-crash does not reduce stiffening effect by concrete which is recognized in plastic mechanical behavior and hysteresis characteristics ; however, concrete does not almost bear the applying load after it is crushed. 2.In case of that the parameter a(=√<(t_f/b)(t_w/d)> is larger, state of flange in the tensile side becomes to be more remarkably inelastic. 3.Plastic deformation capacity is evaluated by the parameter α, which can be also quantitatively estimated in the safety side by the proposed equation.

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© 1996 日本建築学会
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