摘要
对一榀钢框架和一榀带土坯填充墙的钢框架进行了ABAQUS有限元分析,得到该体系在低周反复荷载作用下的变形及应力分布情况,并从承载能力、滞回性能、延性、耗能能力等方面与纯钢框架的抗震性能进行对比。结果表明:土坯填充墙钢框架抗侧刚度和承载能力更高,其在墙体开裂前的延性和耗能能力更好,土坯墙退出抗侧工作后,作为主体受力构件的钢框架并没有发生破坏,结构仍具有较好的延性和耗能能力,是一种较好的抗震结构体系。
Finite element analysis of a steel frame and a steel frame with adobe wall infill is carried out by using the software ABAQUS. The deformation and stress distribution of the steel frame with adobe wall infill under low cyclic loading are got, which are then compared with the steel frame from bearing capacity, hysteretic behavior, ductility and energy dissipation capacity etc to evaluate their seismic behaviors. The results indicate that the steel frame with adobe wall infill not only has higher lateral stiffness and carrying capacity than the steel frame, but also has better ductility and energy dissipation before the wall cracking. The steel frame can still resist lateral loads and has considerable ductility and energy dissipation capacity as the adobe wall exiting from lateral resistance after cracking, which indicate that this system is a good seismic structure system.
出处
《钢结构》
2012年第8期6-9,共4页
Steel Construction
基金
陕西省"13115"科技创新工程重大科技专项项目(2009ZDKG-66)
关键词
钢框架
土坯填充墙
反复加载
抗震性能
有限元分析
steel frame
adobe wall
cyclic loading
seismic behavior
finite element analysis
