LONG-DURATION LOADING TEST ON LEAD DAMPERS CONSIDERING WIND LOAD

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  • 風荷重を想定した鉛ダンパーの長時間加振実験
  • カゼカジュウ オ ソウテイ シタ ナマリ ダンパー ノ チョウジカンカシンジッケン

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Abstract

To grasp the effects of creep and fatigue characteristics on lead dampers under wind load, long-duration cyclic loading tests were conducted. From the test results, the lateral restoring characteristics of the lead dampers in the small deformation range considering the creep characteristics were obtained. Although cracks were observed in the lead dampers with cyclic loading, they had little influence on the restoring characteristics including the yielding load of the lead dampers. Analytical results using a simplified estimation method considering the small deformation characteristics of lead dampers agreed well with the test results.

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