著者

安宅 信行 横須賀 洋平 Nobuyuki Ataka Yohei Yokosuka 昭和女子大学大学院生活機構研究科生活機構学専攻 昭和女子大学生活環境学科 THE GRADUATE SCHOOL OF HUMAN LIFE SCIENCES SHOWA WOMEN'S UNIVERSITY SHOWA WOMEN'S UNIVERSITY

出版者

昭和女子大学大学院生活機構研究科

雑誌

昭和女子大学大学院生活機構研究科紀要 = Bulletin of the Graduate School of Human Life Sciences, Showa Women's University (ISSN:09182276)

巻号頁・発行日

vol.17, pp.111-119, 2008-01-01

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The five-story pagodas in Japan date back 1400 years or more. Despite the occurrence of many earthquakes during this period, there is no record of these pagodas being destroyed by earthquakes. Therefore, it is believed that these pagodas are earthquake resistant. However, the reason underlying this resistance has not been clarified yet. Of the various theories, that have been put forth, the most plausible explanation is that one offered by the snake-dance theory. According to this theory, the rocking movements of these pagodas during earthquakes, which resemble a snake dance, protects them from destruction. The pagodas are subjected to few horizontal vibrations during earthquakes. However, a structural model that can recreate these rocking vibrations has yet been created. While we attempted to create such a structural model on a laboratory scale, the aim of our study is that one of describing the structural process during the earthquake shaking, and explaining the results we obtain by writing reports.