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工业建筑  2004 

GFRP空心板静载试验研究及分析

DOI: 10.13204/j.gyjz200404004

Keywords: FRP,空心板,拉挤成型,各向异性材料,桥面板

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Abstract:

通过玻璃纤维增强复合材料(GFRP)拉挤空心板的静载试验,研究了其受力性能、变形、应力分布和破坏特征,并与有限元数值模拟的结果进行了对比。根据试验和分析结果,针对FRP材料各向异性、拉压不同的特点,提出了按受力状态划分截面取加权平均来计算等效截面刚度的简化方法。还根据板中应变分布与发展的特点,对构件的局部屈曲和强度破坏两种破坏机理进行了分析,为FRP空心板的设计与应用提供了依据。

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