轴心受拉柱脚节点受力性能有限元分析

轴心受拉柱脚节点在实际工程中应用比较普遍，本文对该节点受力性能进行有限元分析，研究锚栓所受拉力、底板位移和应变，得出底板下应力分布与底板抗弯刚度有关，在底板绝对刚性时，底板保持平面，底板下应力均匀分布；在此基础上又提出该节点的有关设计公式，并进一步对该节点受力性能进行参数分析，讨论底板厚度和加劲肋设置对其受力性能影响，为实际工程设计提供参考。

Finite Element Analysis on Behavior of Column Base Joints Subjected to Axial Tension

Column base joints in axial tension are widely used in practical engineering.The finite element analysis on behavior of the joints is conducted in this paper.The tension of the anchor,the displacement and the strain of the base plate are studied,and show that the stress distribution below base plate is related to the stiffness of plate and the base plate with enough stiffness can keep plane.A number of design formulas are proposed based on the above analysis,and some factors that affect the behavior of column base are parametrically studied,including base plate thickness and strengthen plates.The results of the research presented in this paper may be adopted in the design of relevant projects.