鉛直荷重を受ける集成材梁-RC床版合成梁に関する実験的研究: 集成材梁とRC床版の一体効果を考慮した合理的部材設計手法の構築その1

摘要

本論文では、木梁とRC床版を組み合わせた合成梁の鉛直荷重に対する構造性能の検討として、集成材とRC床版の接合部要素実験、合成梁曲げ実験および有限要素法解析による合成梁曲げ実験結果の適合性にっいて論じた。得られた知見を以下に示す。 1)接合部要素実験の結果、6種類のせん断キーの中ではタイプ6が降伏荷重、初期剛性ともに最も大きな値となった。%This study presents the vertical structural performance of wood-concrete composite beam. This oomposite beam has a superior performance of fire protecting and sound-proofing. In addition this composite beam is superior to a simple beam in strength, stiffness. But there is not the design method and there are few study accumulations of wood-concrete composite beam system with shear connecter in Japan. In this paper,the result of shear performance of shear connecter between timber beam and reinforced concrete slab is described. The result of bending test is also described and traced by numerical model. They are summarized in 1)the composite beam increases more than 180% in strength and 280% in stiffness to simple timber beam,2) numerical model traced to the result of bending test accurately.