弹性结点平面框架有限元及其应用

Finite element method of the plane trusses with elastic node and its application

研究了弹性结点有限元方法,详细导出了弹性结点杆件的单元刚度矩阵和常见荷载列阵。在此基础上对扣件式钢管脚手架整体稳定性提出一种全新分析方法,扣件的弹性系数由试验获得,它是由大量试验数据进行回归分析,在工程允许的置信度下给出的统计值。

This paper introduces a finite element method of the plane trusses with elastic node. The element stiffness matrix and loading matrix are calculated in detail.The paper puts forwards a new method that applies to analyzing Stability of the steel tube scaffolds. The elastic coefficients of the joints are obtained from experiments.