This paper attempts to put forward the scheme design idea of frame structure model by analyzing design requirements of the model and load methods in the match of the structure design, and choose triangular frame structure design schemes. The optimal size of the model was determined through the calculation software simulation with 3D3S and ANSYS and experimental method. What＇s more, force conditions are analyzed from strength,stiffness and stability in the paper. It has been shown by the experiment that this design model successfully withstand static load of 10 kg and seismic action with the maximum acceleration reaching 10 m/s2 , however,its quality is only 180 g,which is far superior to other models.%从结构设计竞赛的模型要求及加载方式人手，提出了建筑结构模型的设计思路并选定三角框架柱结构。采用底部剪力法借助3D3S结构设计软件进行初步分析，再通过ANSYS模拟计算优化设计，并进行实验验证，确定了模型的最优尺寸，进而对模型进行了强度、刚度、稳定性及抗震分析。比赛结果显示本次设计制作的建筑结构模型成功承受10kg静载和最大加速度为10m／s2的模拟地震荷载，自身质量仅为180g，表现远优于其他结构模型。
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