期刊文献+

铝合金梁中腹板剪切屈曲的设计方法 被引量:5

Shear buckling design of webs in aluminum beams
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摘要 针对铝合金梁中可能出现的腹板剪切屈曲,通过有限元方法研究了铝合金受剪板件的稳定性。利用已有试验结果验证了有限元模型;研究了影响铝板剪切屈曲的各种因素:腹板宽厚比、加劲肋间距、材料热处理类型、梁端是否有封头肋板;并给出了铝板剪切屈曲的临界屈曲强度和屈曲后强度的计算方法。结果表明:该公式可以得到准确而偏于安全的结果,适用于铝合金梁受剪板件局部稳定性的设计。 The local buckling of aluminum members subjected to bending was analyzed using finite element analysis of the beam web stability under shear. The finite element analysis was verified by experimental data obtained from the literatures. The calculations analyzed various factors influencing the shear buckling of aluminum plates such as the width-to-thickness ratio, stiffener spacing, alloy temper, and end post. Calculational methods were developed to predict the buckling strength and the post-buckling strength of aluminum plates subjected to shear. The results show that the method is sufficiently accurate for analyses of stability of aluminum plates subjected to shear.
出处 《清华大学学报(自然科学版)》 EI CAS CSCD 北大核心 2008年第6期918-921,共4页 Journal of Tsinghua University(Science and Technology)
基金 高等学校博士学科点专项科研基金(20050003080)
关键词 铝合金板件 剪切屈曲 有限元 临界屈曲强度 屈曲后强度 aluminum plate shear buckling finite elementanalysis buckling strength post-buckling strength
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参考文献11

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二级参考文献28

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