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工程力学  2012 

圆CFRP-钢管混凝土(C-CFRP-CFST)压弯构件的静力性能

DOI: 10.6052/j.issn.1000-4750.2011.11.S045, PP. 154-158

Keywords: 圆CFRP-钢管,内填混凝土,压弯构件,静力性能,有限元模拟,理论分析,承载力

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Abstract:

以试验研究为基础,采用有限元法建立模型模拟了圆CFRP-钢管混凝土(C-CFRP-CFST)压弯构件的变形模态和轴力-中截面挠度曲线,计算结果与试验结果吻合良好。分析了受力全过程中混凝土、钢材和CFRP的应力、应变以及外管对混凝土作用力的发展过程。最后给出了试件承载力的计算表达式,应用该式的计算结果与试验结果吻合良好。

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