Response Prediction of Ultimate State and Collapse Acceleration of Double Layer Latticed Wall Structures Using Earthquake Response Spectrum

摘要本研究旨在探讨高宽比对铝合金双层网壳结构动力屈曲行为之影响。在我们以前的论文中，已经提出了预测由渐进腹杆屈曲引起的倒塌加速度的计算方法。本文采用杆件屈曲滞回曲线模型，采用桁架单元对不同长宽比的板结构进行了弹塑性动力屈曲分析。采用单自由度弹性振动模型预测倒塌加速度。结果表明，该方法的准确性和适应性得到了讨论，并在这项研究中显示了有效性。

The purpose of this study is to investigate the effect of the aspect ratio of aluminum alloy double layer latticed wall and roof plate structures on the dynamic buckling behavior. In our previous paper, the calculation method of predicting the collapse acceleration induced by the progressive web member buckling has been proposed. And the calculation results of the proposed method have shown a good agreement with the results of the elasto-plastic dynamic buckling analysis.In this study, the elasto-plastic dynamic buckling analyses of the plate structures with the various aspect ratios are carried out using truss elements with the member buckling hysteresis curve model. And an one-degree freedom elastic vibration model is used for predicting the collapse acceleration. As a result, it is seen that the accuracy and adoptability of the proposed method are discussed and the validity is shown in this study.