超高層煙突の風応答時の動特性に関する研究

• 吉田 昭仁

  東京工芸大学

• 田村 幸雄

  東京工芸大学

• 敦賀 隆史

  東京電力電子力技術部

• 伊藤 隆文

  東京電力電気本部

書誌事項

タイトル別名

• System Identification of High-rise Steel Chimney for Wind-induced Responses

抄録

The dynamic characteristics of structures are often evaluated by measuring their vibrations. This is done to investigate wind vibrations of high-rise buildings or for other purposes. However, few vibration evaluations have focused on changes in the structural properties of buildings or on the rigidity of main structures and non-structural walls during construction. This paper describes changes of the dynamic characteristics of a high-rise steel chimney before and after setting a TMD during ambient conditions and strong wind. The damping ratios obtained by RD technique and FDD increase from 0.57% to 1.34% and from 0.71% to 1.45% after installing TMD, respectively. The damping ratio for ambient vibration is about 0.2% and is smaller than that during strong wind. This difference is caused from the difference of the amplitude of the acceleration between ambient response and wind-induced response.

収録刊行物

• 風工学シンポジウム論文集

  風工学シンポジウム論文集 18 (0), 000007-000007, 2005

  一般社団法人 日本風工学会

キーワード

• 超高層煙突
• 減衰定数
• 制振装置
• ＦＤＤ法
• RD法

詳細情報

• CRID: 1390282680568803968
• NII論文ID: 130004644217
• DOI: 10.14887/kazekosymp.18.0.000007.0
• データソース種別:
  • JaLC
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可