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Title
Japanese:Ｅ－ディフェンス実験に基づく鉄骨体育館の固有振動数とモード形状の分析 
English:Evaluation of Natural Frequency and Mode Shape of Steel Gymnasium based on E-defense Shaking Table Tests 
Author
Japanese: 佐藤大樹, 和田穂月, 佐々木智大, 青井淳, 梶原浩一.  
English: Daiki Sato, Hotsuki Wada, Tomohiro Sasaki, Atsushi Aoi, Koichi Kajiwara.  
Language Japanese 
Journal/Book name
Japanese:第15回日本地震工学シンポジウム論文集 
English:The Japan Earthquake Engineering Symposium, proceedings 
Volume, Number, Page vol. 15        pp. 804-813
Published date Dec. 2018 
Publisher
Japanese:日本地震工学シンポジウム運営委員会 
English:The Japan Earthquake Engineering SymposiumsOrganization 
Conference name
Japanese:第15回日本地震工学シンポジウム 
English:The 15th Japan Earthquake Engineering Symposium 
Conference site
Japanese:宮城県 
English:Miyagi 
File
Abstract This study aims to grasp the response characteristics of the roof surface and propose external forces for designing the ceiling based on the data of E-defense shaking table test data by using real size steel gymnasium specimen. As a fundamental study, the authors confirmed that natural frequency decreases due to damage of specimen subjected to multiple excitation. In this paper, the mode shape is estimated from the value measured from the accelerometer on the roof surface of the specimen using the FDD method, and the mode shape due to damage is evaluated.

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