钢筋混凝土异形柱非线性全过程研究-结构工程专业论文.docxVIP

镶整混凝主舅形柱菲线挞全过程努橱摘 镶整混凝主舅形柱菲线挞全过程努橱 摘 鬻 逐年来，髯澎{妻捱轻结梅体系被越采越多懿痤爝予工疆实黢申。零论文 主要内容是对诵筋混凝±异形截面双囱鹾鬻柱(包括L彩、T形、十字形柱≥ 进行q}线形全过糨分析，在有关文献基础上游虑了受拉纵筋和周围混擞士的锚 曩溪移裙滢凝±瘦力一痤变关畚藏线夔下海段，嚣蒜考虑捌在燕餐毅密区箍藩 对混凝土的约束辫响。通过异凇柱截面的有限元单元网格划分，用数德方法编 制了计葵枧分拆程序，通过}}冀，可以得到娃上各耪截嚣棱的弯矩一曲率关系 稳缭，分辑它稍在麓注窥承载力等往麓方瑟豹差异。 举论文最后采用大型有限既程序ANSYS5．7对上述几种截面柱构件也进 行了分褥，通过魄较诗算结果，褥窭异形截藤裢延经交纯溉箨，著稔验零论文 所编制分析程序韵W靠度。 关键溺：鼻形≤喾线洼赛磊、关键溺：雾形柱、喾线洼努羲、 镂嚣}骞羲延毪、锈翁遴凝圭囊主、 楚最 Nonlinear Nonlinear Full Range Analysis of Special·shaped Concrete Reinforced Columns Abstract Lightweight framed structures with special-shaped R。C。columns are applied more and more widely in recent years．The content of the paper is nonlinear analysis of complete response process for T．L-shaped and‘‘+”shaped section R．C． columns under axial compression and biaxial bending．On the basis of related papers，the full path of stress—strain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered，simultaneously，the restriction effect for concrete by thickening of stirrups is also included．According to generating finite element model by meshing for special—shaped section columns， a computer program using the digital iteration method for full range analysis of special·shaped columns is complied．By the analytical results，‘M一妒’related curves are obtained，at the same time，differences of ductile behavior,and bearing capaeity are analyzed． At last this paper also analyses special-shaped section columns subjected to biaxially eccentric loading using finite element program ANSYS5．7．According to comparing of analytical results，the ductile behavior of R．C．T‘L—shaped and ‘‘+”shaped columns are investigated．The reliability of analytical program compiled in the pap嚣is verified。 Key words：special—shaped R．C．columns，nonlinear analysis，sliding of reinforcement anchoring，ductility,model ofreinforced concrete，finite element 独创性声明本入声馥嚣墨交鼹学建论文是零天在骞爆指导下述孬鼬褥究王馋及取褥餐 独创性声明 本入声馥嚣墨交鼹学建论文是零天在骞爆指导下述孬鼬褥究王馋及取褥餐 研究成果。掘我所知，除了文中特别加以标波和致谢的地方外，论文中不包含 其他人已经发表或撰写过的研究成果，也不电