摘要
构建内置钢管(CCS)组合柱,鉴于目前国内外学者对CCS柱的抗震性能研究较少,基于钢材简化的双线性理想弹塑性本构模型、考虑套箍效应的管内混凝土本构模型和考虑箍筋约束的钢管外围混凝土本构模型,采用ABAQUS软件对3根CCS组合柱开展了数值仿真,获得组合柱的滞回曲线和骨架曲线。通过与已有的试验数据对比,验证了本文材料本构模型和有限元建模的合理性。
This paper proposes a novel composite column which is Composite Columns with Built-in Steel Tube(CCS).There is rarely research on seismic performance of CCS column,Based on the simplified bilinear constitutive model(CM)for steel,nonlinear CM for inside concrete of core column which considering the hoop effect by steel tube and the nonlinear CM for outside concrete of core column which considering the hoop effect by reinforcement,the numerical simulation analysis of 3 CCS column specimens is carried out by using software ABAQUS,and the hysteretic curves and skeleton curves of this column are obtained.The rationality of the material constitutive model and finite element(FE)model is verified by comparing with the existing experimental results.
作者
矫健
刘亚斌
周雷
JIAO Jian;LIU Yabin;ZHOU Lei(China Construction Eighth Engineering Division Southchina Branch Co.,Ltd.,Guangzhou,Guangdong 510665,China)
出处
《施工技术》
CAS
2020年第S01期1118-1120,共3页
Construction Technology
关键词
CCS
滞回曲线
抗震性能
本构模型
CCS
hysteretic curve
seismic performance
constitutive model
