軸力と繰返し二軸曲げ荷重を受ける鋼構造部材断面の弾塑性挙動についてその3：H形断面の特性

概要

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The inelastic behavior of a H-section under the constant axial forces are investigated. Characteristics of the moment-curvature relations and the subsequent yield surfaces for three values of constant axial thrust are discussed. Synthesizing the results for a holler circuler section and a H-section, it becomes evident that the predicted behaviors of the sections under a constant axial thrust by the use of tangent stiffness matrix, where the nonlinear and non-stationary hysteretic stress-strain relations of fibers are calculated using the monotonic stress-strain curves of the materials and the previously reported empirical equations for mild steels, agree well with the experimental results.