水电站厂房组合框架结构静动态服役性态分析研究进展

Research progress of static and dynamic behavior analysis of composite frame structure of hydropower plant

为准确、高效地评估高发频率、高烈变地震区水电站厂房钢-混框架结构静动力服役性态特征,结合模型试验、数值分析、方法评估等研究成果,重点进行了钢管组合柱复合服役性能试验研究与机理分析、钢-混凝土组合楼板服役性能试验与理论分析、钢-混凝土组合节点服役性能与安全承载分析试验研究与机理分析、钢-混凝土组合框架结构静动态服役性能研究、钢-混凝土组合框架结构抗冲击服役性能研究、大型组合框架结构服役性能优化分析。对水电站厂房框架结构服役性态研究方法,以及水电站厂房钢筋混凝土结构、水电站厂房钢-混凝土框架结构服役性态方面的研究进展进行了归纳,总结出钢-混凝土组合结构在水电站厂房框架结构中的发展与工程运用中存在的问题及需要推进的研究工作,旨在进行水电站厂房结构服役性能提升与安全保障技术研究。

In order to accurately and efficiently evaluate the static and dynamic behavior of steel-concrete frame structure in hydropower station in high frequency and high intensity earthquake area,this research focuses on the composite service performance test and mechanism analysis of steel tubular composite columns,the service performance test and theoretical analysis of steel-concrete composite floors,the service performance and safety bearing analysis test and mechanism analysis of steel-concrete composite joints,the static and dynamic service performance research of steel-concrete composite frame structure,the impact service performance research of steel-concrete composite frame structure,and the large-scale combination optimization analysis of service performance of frame structure.In this paper,the research methods of the service behavior of the frame structure of the hydropower station,the research progress of the reinforced concrete structure of the hydropower station and the steel-concrete frame structure of the hydropower station are summarized.This paper also summarizes the development of steel-concrete composite structure in the hydropower plant frame structure,the existing problems in the engineering application and the research work to be promoted,which is to study the service performance improvement and safety guarantee technology of the hydropower plant structure.