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工程力学  2013 

装配式短肢剪力墙低周反复荷载试验

DOI: 10.6052/j.issn.1000-4750.2011.12.0871, PP. 125-130

Keywords: 预制混凝土,短肢剪力墙,低周反复荷载,试验,有限元分析

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Abstract:

对2个预制装配式和1个现浇短肢剪力墙试件进行了低周反复荷载试验。与现浇试件对比,掌握预制装配式剪力墙的强度、位移延性及耗能能力等。试验结果表明:装配式试件破坏形态与现浇试件明显不同,水平拼缝为薄弱部位,变形集中。上部预制墙体基本保持完好,破坏主要集中在下部墙体,并表现为剪切破坏,与理论分析一致。有限元分析表明增加装配式短肢剪力墙中部连接钢筋,可增加水平拼缝混凝土接触面面积,减小其剪应力,从而有效改善墙体受力性能,提高墙体的承载能力和变形能力。

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