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本文应用有限元分析软件ANSYS对钢框架梁端翼缘扩翼型节点进行有限元分析,并与相关的实验结果进行对比,并与试验结果对比。研究表明:有限元建立的模型试件破坏形态与实验试件的破坏形态大体相同,屈服荷载、极限荷载及延性系数的数值都很接近,验证了有限元分析的准确性,同时证明了节点塑性铰能有效地移出梁柱节点,提高节点的抗震性能,为今后的理论研究及工程应用提供参考。
In this paper, the finite element analysis software ANSYS is used to analyze the expansion joints of the flanges on the beam end of the steel frame. The results are compared with the experimental results and compared with the experimental results. The results show that the failure mode of the model specimen established by finite element method is almost the same as that of the experimental specimen. The values of yield load, ultimate load and ductility coefficient are close to each other, which verifies the accuracy of the finite element analysis. At the same time, The hinges can effectively remove the beam-column joints and improve the seismic performance of the joints, providing reference for theoretical research and engineering application in the future.