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带缀板外包角钢PEC钢管混凝土柱受力性能分析

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摘要 文章以带缀板外包角钢PEC钢管混凝土柱为研究对象,采用ABAQUS有限元软件进行受力性能的数值模拟分析,主要针对带缀板外包角钢PEC钢管混凝土柱的承载能力,构件及截面应力,混凝土与型钢以及混凝土与钢管相互之间的约束作用。结果表明:钢管内混凝土在50 N/mm2以下处于理想的轴心受压状态,整个构件中角钢对中间混凝土有良好的约束作用,而混凝土对角钢起到了侧向支撑的约束作用,推迟了角钢的局部屈曲,随着荷载的增大,最终因混凝土与角钢发生明显的滑移与脱离而使角钢发生局部失稳,导致对混凝土局部约束失效受到破坏。
出处 《河南建材》 2018年第6期405-407,共3页 Henan Building Materials
基金 涪陵区科技计划项目(FLKJ 2016ABA1028) 重庆市教委科学研究项目(KJ1601226)
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