繰返し両振り曲げを受ける片持梁-柱の定常状態限界理論 : その1:基礎理論及び離散化モデルを用いた数値解析法

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A cantilever beam-column subjected to completely reversed tip deflection cycling with continuously increasing amplitude under constant axial compression consecutively exhibits a sequence of symmetric steady states, a sequence of asymmetric steady states and finally a divergent behavior. The first critical point, at which a transition from a symmetric steady state to an asymmetric steady state occurs has been named the symmetry limit and the symmetry limit theory has been established by the present authors. The second critical point, at which the deflection divergence occurs, is referred to as a steady-state limit. This paper presents a new theory for predicting the steady-state limit of a bi-linear strain-hardening sandwich beam-column model. A Steadystate limit solution can be found as the first limit point of 〜he steady-state path, which can be traced by a step-by-step analysis based upon a set of linearized equations for the incremental variation of steady state.
社団法人日本建築学会の論文
1992-08-30