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一种适用于杆系结构的屈曲约束支撑的有限元分析
FEM analysis of a kind of buckling-restrained brace fit in space truss structure
【摘要】 利用ANSYS程序对一种适用于网壳结构的屈曲约束支撑进行有限元分析,得到支撑的滞回曲线.通过与国外试验数据的对比,对影响支撑性能的因素加以分析,给出有限元分析与试验结果误差产生的原因.
【Abstract】 FEM analysis of a kind BRB applicable to space structures was conducted by using software ANSYS.The hysteresis curve of the BRB was obtained.By comparison with the result of experiment,the factors affecting the BRB’s performance were analyzed,and the origin of the difference in the results obtained with both the FEM analysis and the experiment was also given.
【关键词】 屈曲约束支撑;
滞回曲线;
耗能性能;
核心构件;
外围约束;
【Key words】 buckling-restrained brace; hysteresis curve; energy-dissipation capacity; inner core element; restraining tube;
【Key words】 buckling-restrained brace; hysteresis curve; energy-dissipation capacity; inner core element; restraining tube;
【基金】 国家自然科学基金(50678078)
- 【文献出处】 兰州理工大学学报 ,Journal of Lanzhou University of Technology , 编辑部邮箱 ,2007年03期
- 【分类号】TU311.41
- 【被引频次】38
- 【下载频次】403