The analysis results show that the progressive collapse resisting capacity of steel structures can be remarkably improved by increasing the failure strain of the structural material.
分析结果表明：对于钢结构，提高材料的失效应变，可以显著提高结构抵抗连续倒塌的能力。
There are three main methods by far, nonlinear finite element method, idealized structural unit method and progressive collapse analysis method.
目前，计算总纵极限弯矩的方法主要有三种，即非线性有限元法，理想结构单元法和逐步破坏分析法。
Based on the analysis, the structural behavior and the collapse mechanism of the joint are further understood. The result can be referred for future design.
通过有限元分析，进一步了解到该节点的受力性能和破坏机理，其分析结果可供设计参考。
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