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工程力学  2015 

方钢管混凝土轴压短柱承载力与全曲线综述研究

DOI: 10.6052/j.issn.1000-4750.2014.01.0061, PP. 103-111

Keywords: 方钢管混凝土短柱,规范与规程,承载力,纤维模型,评价

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Abstract:

该文根据收集到的266个方钢管混凝土轴压短柱的试验数据,对美国规范(AISC)、欧洲规范(EC4)、日本规范(AIJ)及中国规范(DL5085、GJB、CECS)进行了承载力比较,比较结果表明AISC、CECS及AIJ偏于保守,EC4稍偏保守的接近于试验结果,而DL5085、GJB稍高于试验结果。同时该文还将现有的五个纤维模型与试验曲线选取特征点进行统计分析,发现纤维模型在弹性阶段跟试验吻合较好,但对下降段及强化段的描述,各已有模型差异较大,有不同的适用范围。

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