EXPERIMENTAL STUDY ON BRACKET-TYPE JOINTS OF CONCRETE FILLED STEEL TUBULAR COLUMN AND SECTION-STEEL CONCRETE BEAM
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摘要: 超高层钢结构建筑采用钢管混凝土柱是目前较为常用的一种结构形式,与钢管混凝土柱连接的梁有钢梁、劲性梁或混凝土梁等多种方式。目前钢管混凝土柱与型钢混凝土梁节点的研究较少,针对钢牛腿式钢管混凝土柱与型钢混凝土梁的连接节点,对受力性能进行了1:2缩比例的试验研究,同时采用了ANSYS有限元软件进行分析。结合试验结果和有限元分析结果,研究了该节点的受力特性,结果表明,该节点有很好的极限承载力和抗震性能。Abstract: Super high-rise steel structure building with concrete filled steel tubular column is a commonly used structure type.the beam connecting with concrete filled steel tubular column has several types,as steel beam,reinforced concrete beam,concrete beams,etc.There are less researches for joints between steel tubular concrete column and steel reinforced concrete beam.In this paper,the 1:2 scale experimental study for bracket-type joints of steel tubular concrete column and reinforced concrete beam was executed,at the same time these joints were designed by ANSYS finite element analysis software.Combined the experimental results with those of finite element analysis,the stress characteristics of these joints were also analyzed,the results showed that the joint had good ultimate bearing capacity and seismic performance.
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GB500172003钢结构设计规范[S]. [2] GB500102010混凝土结构设计规范[S]. [3] JGJ1382001型钢混凝土组合结构技术规程[S]. [4] CECS28:90钢管混凝土结构设计与施工规程[S].
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