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Title
Japanese: 
English:Seismic Performance Evaluation of Existing High-rise Steel Building Subjected to Long-Period Ground Motion and Assessment of Retrofit by Steel Dampers 
Author
Japanese: 佐藤 大樹, 長江 拓也, 北村 春幸, M. Nakagawa, K. Sukemura, 梶原 浩一.  
English: D. Sato, T. Nagae, H. Kitamura, M. Nakagawa, K. Sukemura, K. Kajiwara.  
Language English 
Journal/Book name
Japanese: 
English:Proceedings of the 8th International Conference on Behavior of Steel Structures in Seismic Areas (STESSA’15) 
Volume, Number, Page         pp. 1382-1389
Published date July 2015 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English:8th International Conference on Behavior of Steel Structures in Seismic Areas 
Conference site
Japanese: 
English:Shanghai 
File
Abstract The main structural damage occurring in high-rise steel buildings subjected to long-period ground motions is cumulative inelastic deformation concentrated in the beam-column connections. The seismic performance of such buildings is thus significantly influenced by the type of beam-column connection detail. However, there is no current statistical information relating to beam-column connection details of existing high-rise steel buildings. Therefore, in order to evaluate seismic demands, a series of dynamic response analyses and long-period ground motions are conducted using two prototype building models. In addition, the effective distribution of dampers is considered in relation to retrofitting by steel dampers.

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