DYNAMIC CHARACTERISTICS OF MULTI-STORY WOODEN PAGODAS

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  • 木造多層塔の振動特性
  • モクゾウ タソウトウ ノ シンドウ トクセイ

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Abstract

The purpose of this paper is to investigate the dynamic characteristics of multi-story wooden Pagoda, based on microtremor measurements and man-excited vibration tests. According to the results of the field survey, a strong correlation is observed between natural period and height of wooden pagodas. The natural period(T) is related to height(H) of wooden pagodas by the following equation; T=0.035H. However, it is difficult to find a direct relationship between the damping factor and height of pagodas. The damping factors are observed in a range of 2〜6%, regardless of height.

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