基于ABAQUS的锈蚀平面钢框架数值模拟方法  

Numerical Simulation Method for Corroded Plane Steel Frames Based on ABAQUS

作　　者：管昌生[1] 胡国平 GUAN Changsheng;HU Guoping(School of Civil Engineering and Architecture,Wuhan University of Technology, Wuhan 430070, China)

机构地区：[1]武汉理工大学土木工程与建筑学院

出　　处：《武汉理工大学学报（交通科学与工程版）》2019年第5期800-804,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

摘　　要：钢材锈蚀是导致钢结构抗振性能劣化的一个重要因素.基于ABAQUS有限元分析软件,采用钢材锈蚀的平面钢框架结构的数值建模方法,建立了三榀不同锈蚀程度钢框架结构的数值模型并对其进行拟静力加载.通过对比模拟结果与试验结果的滞回性能、延性及耗能能力,结果表明,按照截面削弱的数值方法所得的锈蚀平面钢框架结构的滞回性能、延性及耗能能力等均与试验结果吻合较好,表明考虑钢材锈蚀的平面钢框架结构的数值建模方法能够较好的模拟锈蚀钢框架结构的力学性能.Corrosion of steel is an important factor leading to the deterioration of seismic performance of steel structure. Based on ABAQUS finite element analysis software, the numerical modeling method of steel frame structure considering steel rust was adopted, and three numerical models of steel frame structures with different corrosion degrees were established to carry out static loading analysis. By comparing the hysteretic performance, ductility and energy dissipation capacity of the simulation results with the test results, the results show that the hysteretic performance, ductility and energy dissipation capacity of the corroded flat steel frame structure obtained by the numerical method of section weakening are good agreement with the experimental results. It indicates that the numerical modeling method of planar steel frame structure considering steel corrosion can better simulate the mechanical performance of corroded steel frame structure.

关 键 词：ABAQUS 钢框架 锈蚀 抗振性能 

分 类 号：U44[建筑科学—桥梁与隧道工程]