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首页> 外文会议>International Conference on Steel, Space Composite Structures >RESEARCH ON THE ULTIMATE BEARING CAPACITY OF AN ARCH STEEL FRAME
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RESEARCH ON THE ULTIMATE BEARING CAPACITY OF AN ARCH STEEL FRAME

机译：拱钢架的最终承载力研究

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The project is an arch steel frame with variable cross-sections and curvatures, so the problem of in-plane stability is different to solve. In this paper, calling external executable program SECTIONFILE the cross-section was meshed through self-defined grid; calling external executable program CRSTRESS the residual stress was applied automatically; finally the ultimate bearing capacity of the frame was studied considering geometric imperfect by adopting the ANSYS element Beam189.The load-displacement curves were achieved and the safety performance of the structure was evaluated. Meanwhile, in order to study the applicability of the method,Vogel's gable frame, which was similar to the arch frame was analyzed. The value of the ultimate bearing capacity and the load-displacement curves of the different methods were compared. The differences were small and the method was reliable.
机译：该项目是一个拱形钢架，具有可变横截面和曲率，因此面内稳定性的问题是不同的解决方案。在本文中，调用外部可执行程序部分文件通过自定义网格网格呈现横截面;调用外部可执行程序CRSTRess自动应用残余应力;最后研究了通过采用ANSYS元件梁189考虑几何不完全来研究框架的最终承载力。实现了负载 - 位移曲线，并评估结构的安全性能。同时，为了研究该方法的适用性，分析了Vogel的山墙框架，其类似于拱形框架。比较了终极承载能力的值和不同方法的负载 - 位移曲线。差异很小，方法是可靠的。

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