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工程力学  2013 

竖向槽钢加劲钢板剪力墙剪切屈曲

DOI: 10.6052/j.issn.1000-4750.2012.04.0289, PP. 1-9

Keywords: 钢板剪力墙,剪切应力,加劲肋,门槛刚度,弹性屈曲

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Abstract:

对设置多道竖向闭口加劲肋的钢板剪力墙的剪切屈曲进行了有限元弹性屈曲分析,得到了剪切应力随加劲肋抗弯和加劲肋抗扭刚度变化曲线,以加劲板临界应力等于小区格按简支计算的剪切屈曲应力为条件,得到了双面加劲肋的门槛刚度。刚度小于门槛刚度时给出了剪切屈曲临界应力与加劲肋刚度的关系;将双面加劲同单面加劲、交错单面加劲两种情况进行比较,得出了后两者的门槛刚度放大系数。与数值结果比较表明:公式具有良好精度且偏安全。

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