(清华大学土木工程系，教育部结构工程与振动重点实验室，北京 100084)
［摘要］结合汶川地震灾后房屋建筑结构抗震加固的需要，介绍了在日本应用较多的附加子结构抗震加固方法，并结合一些典型案例介绍了不同类型附加子结构的抗震加固方法和技术在日本的实际应用和加固前后抗震性能的分析对比。最后，根据我国抗震规范的要求，提出采用附加子结构抗震加固的设计原则和方法。
［关键词］建筑结构；抗震加固；附加子结构；消能减震；变形模式
Seismic retrofit with attached substructures and its application in Japan
Qu Zhe, Ye Lieping
(Key Lab. of Stru. Eng. and Vibration of China Education Ministry, Dep. of Civil Eng., Tsinghua Uni., Beijing 100084, China)
Abstract:As an effort to meet the demands of retrofitting building structures after the Wenchuan earthquake, the seismic retrofit with attached substructures which has been widely used in Japan was introduced. Various types of attached substructures and their applications and effectiveness were demonstrated through typical retrofit projects. Design principles of structures retrofitted with attached substructures were proposed according to the requirement of the Chinese seismic design code.
Keywords:building structure； seismic retrofit； attached substructure； energy dissipating； deformation pattern
*国家科技支撑计划项目（2009BAJ28B01）；国家自然科学基金重大研究计划重点项目资助（90815025）。
作者简介：曲哲，博士研究生，Email：qz@mails.tsinghua.edu.cn。
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