隔震结构的研究概况和主要问题

STATE-OF-THE-ART AND MAIN PROBLEMS OF THE RESEARCH AND APPLICATIONS OF SEISMIC ISOLATED STRUCTURES

简要概括了国内外隔震技术的应用发展状况。系统总结、评述了隔震结构若干方向的研究进展,包括隔震结构的非线性地震反应分析和非线性动力学性态分析、可靠度分析、优化设计、系统识别、试验研究等内容。指出了隔震技术发展中需要解决的几个主要问题,例如新型隔震元件、隔震体系的开发,隔震结构的经济可行性分析,与隔震技术发展相适应的设计、施工规范等。最后在结束语中探讨了隔震设计与基于功能的设计、分灾设计等结构抗震设计思想的关系。

The applications of seismic isolation technology in China and abroad are reviewed in the paper, including the nonlinear seismic response analysis and nonlinear dynamics analysis, reliability analysis, optimal design, system identification, experimental research of base-isolated structures. And several major problems to be solved in the future are proposed, for example, the development of novel seismic isolators and systems, the economical feasibility analysis, and the design and construction standards and codes. Finally, the relationship among the base-isolated design, the performance based seismic design and damage-reduction seismic design is discussed.