はり柱理論を基礎としたハイブリッド型応力法接合部要素

概要

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A new and effective hybrid stress connection finite element, based on the plane beam-column theory and considering the bi-axial effect in stresses and strains, is developed. The modified Timoshenko's beam-column theory is applied in the lateral and vertical directions of the connection. Also, using the so-called semi-inverse method in the several directions, the shearing stresses as well as the axial nonnal ones are prepared in expression of resultant stresses of the beam-column. The characteristic stress fields of the present connection element are composed of two various fields. According to the standard hybrid stress finite element procedure shown in the previous papers, a new connection finite element with the present stress field is derived. The availability and the applicability of the present approach are, with aid of several numerical tests, discussed and examined.
一般社団法人日本建築学会の論文
2010-03-27