摘要
为了获悉节能复合墙板与H形钢框架在地震作用下的受力性能与破坏机理,进行了8榀足尺填充节能复合墙板钢框架结构的低周反复荷载试验。详细分析了破坏模式、滞回曲线、骨架曲线、延性、耗能能力等。利用ABAQUS程序建立了填充节能复合墙板钢框架结构的有限元分析模型,进行了结构非线性全过程受力分析;该模型考虑了材料本构关系模型和复杂接触模型。试验结果验证了有限元分析的准确性。研究表明,填充节能复合墙板钢框架结构有良好的抗震性能和延性;墙板连接方式和墙板厚度是影响结构承载力和刚度的主要因素;建立的有限元模型可以用于填充节能复合墙板钢框架结构的数值分析;采用的螺栓连接方式较好地实现了节能复合墙板与钢框架在地震作用下的协同工作。
To study the behavior and failure mechanism of steel frames with sandwich composite panels under seismic reaction, eight full-scale specimens are tested under low cyclic loading. Multiple parameters are evaluated in detail, including failure modes, load-displacement hysteretic curves and envelope curves, ductility and energy dissipation capacity. Finite element （FE） model is also built, and nonlinear analysis on the entire test process is conducted using ABAQUS software. In this model, the complex material and contact are properly modeled. The FE model is validated by comparing against test results. FE analysis results indicate that steel frame structures with sandwich composite panels exhibit excellent seismic performance and ductility. Panel connection type and panel thickness are the main factors influencing structural capacity and stiffness. The FE model can be used in numerical analysis of steel frame structures with sandwich composite panels. Collaborative working between sandwich composite walls and steel frames under earthquake can be achieved by using bolt connections.
出处
《建筑钢结构进展》
CSCD
北大核心
2015年第6期35-43,共9页
Progress in Steel Building Structures
基金
国家自然科学基金(51178156)
教育部新世纪优秀人才支持计划(NCET-12-0838)
关键词
复合墙板
钢框架
低周反复加载试验
非线性有限元分析
墙板连接方式
墙板厚度
sandwich composite panel steel frame
low cyclic loading test
nonlinear finite element analysis panel connectiontype~ panel thickness
