摘要
结合国内某预制装配式公建项目,选取地上1层受力较不利的装配式钢筋混凝土柱-钢梁混合连接节点进行抗震性能分析。结合有限元方法,分别进行节点静力工况分析和拟静力工况分析,从节点应力、应变、滞回曲线、骨架曲线、刚度退化曲线等方面进行全面研究。计算结果表明:装配式钢筋混凝土柱-钢梁混合连接节点在多遇地震下处于弹性受力状态,在罕遇地震状态下具有良好的抗震性能,满足抗震设计要求。
Combined with a prefabricated public building project in China,the seismic performance of the composite joint of prefabricated reinforced concrete column-steel beam with unfavorable stress on the ground floor is analyzed. Combined with the finite element method,the static condition analysis and quasi-static condition analysis of the joint are carried out respectively,and the comprehensive research is carried out from the stress,strain,hysteretic curve,skeleton curve,stiffness degradation curve and so on. The results show that the joint is in elastic state under frequent earthquake and has good seismic performance under rare earthquake,which meets the requirements of seismic design.
作者
郭志鹏
周冲
李黎明
GUO Zhipeng;ZHOU Chong;LI Liming(China State Construction Development Co.,Ltd.,Beijing 100037,China;China Construction Science&Technology Co.,Ltd.,Beijing 100070,China)
出处
《施工技术》
CAS
2020年第8期19-22,51,共5页
Construction Technology
基金
国家重点研发计划:基于建筑设计、部品生产、装配施工、装饰装修、质量验收全产业链的关键技术及技术集成研究与应用(2016YFC0701904)。
关键词
装配式建筑
钢筋混凝土柱-钢梁
混合连接节点
抗震性能
有限元分析
prefabricated buildings
reinforced concrete column-steel beam
composite joint
seismic performance
finite element analysis
