震损钢筋混凝土结构减震加固研究进展

震损钢筋混凝土结构如何考虑损伤影响以进行减震加固设计是值得研究的问题。本文介绍了国内外相关建筑加固与减震设计的系列标准规范,基于震损结构的各种加固工况探讨了减震加固技术的适用范围,概括了国内外有关消能减震加固技术的发展及其应用于震损结构加固的研究现状,简述了灾后震损结构进行减震加固的几种设计方法,并列出了部分典型的减震加固工程实例。最后,在已有研究的基础上,指出了现阶段震损结构减震加固研究中仍存在的一些问题。

Research Review on Seismic Retrofit of Earthquake-damage RC Structure by Using Energy Dissipation Technology

In the design process of earthquake-damaged RC buildings retrofitted with added damping system,how to take the structural damage influences into account is deemed to be a key issue worthy of further research.Pursuant to this,some standards and codes related to seismic retrofit and energy dissipating design of buildings around the world are introduced,and the scope for application of energy dissipation technology to seismic retrofit is discussed based on various retrofitting measures towards earthquake-damaged structures.Moreover,the research status of damping retrofit technology and its application to seismic retrofit of earthquake-damaged structures are summarized,and several retrofitting design methods of earthquake-damaged structures using added damping system are stated,as well as numbers of typical engineering samples.In the end,some questions in current research on retrofit of earthquake-damaged structures with added damping system are pointed out.