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工程力学  2014 

考虑压-弯-剪相互作用的纤维混凝土剪力墙变形能力分析

DOI: 10.6052/j.issn.1000-4750.2012.09.0670, PP. 113-121

Keywords: 剪力墙结构,荷载-变形模型,压-弯-剪相互作用,修正压力场,纤维混凝土

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Abstract:

为了准确预测地震作用下高性能纤维增强混凝土剪力墙的受力性能,综合考虑压、弯、剪相互作用的破坏机理以及纤维增强混凝土超高受拉应变硬化性能,基于修正压力场理论和单向弯剪模型,提出了高性能纤维增强混凝土剪力墙变形能力分析模型。通过与4片高性能纤维增强混凝土剪力墙低周往复试验骨架曲线的对比研究,验证了剪力墙分析模型的准确性,讨论了影响其变形能力的的主要因素。研究结果表明:该文提出的考虑轴力-弯矩-剪力相互作用的高性能纤维增强混凝土剪力墙荷载-变形模型,可用于单调荷载作用下剪力墙的变形能力分析。

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