高次のせん断変形を考慮したハイブリッド型応力法はり柱要素モデルに関する研究 : (その1)平面はり柱要素の一般的定式化

概要

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Unified and effective hybrid stress finite element method for shear-deformable plane beam-column is developed. In order to evaluate the influence of warping and shear deformations right and precisely, shear deformation beam-column theory based on the assumption of no in-plane strains of the section, higher order than the well-known Timoshenko's theory, is adopted. According to Refs.1)-3), hybrid stress method is unifiedly formulated for the present theory, and a new series of higher order shear-deformable plane beam-column elements is derived. Several numerical tests for simply supported beams are performed, and show that the present approach have excellent capacity to simulate accurately the more complicate behavior accompanied with the warping deformation for both slender and thickset beam-column.
社団法人日本建築学会の論文
1996-10-30