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工程力学  2013 

三层钢板剪力墙结构静力推覆试验研究

DOI: 10.6052/j.issn.1000-4750.2012.05.0309

Keywords: 钢板剪力墙,静力推覆,抗震性能,试验,钢框架,延性

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Abstract:

通过按照我国相关规范设计的三层钢框架-钢板剪力墙结构在水平单调荷载作用下的静力推覆试验研究,得到了结构的破坏模式、底部剪力与顶点位移及层间位移曲线、剪力墙板的平面外变形、承载力和延性。结果表明:试件在水平设计荷载时,墙板没有出现屈曲,结构保持完全弹性;二层剪力墙板右下角最先达到受拉屈服,但当荷载加载到后期,底层剪力墙板出现的平面外变形最大;试件在达到极限承载力之后,强度下降非常缓慢,结构具有良好的塑性变形能力,位移延性系数为5.24;试验终止时,二层的层间变形最大,层间位移角达到了0.0447rad,柱脚翼缘出现两个半波状的局部屈曲变形,腹板受压鼓曲。

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