摘要
近年來，國內出現大量的高層建築，這些高樓結構物，有別於傳統
的鋼筋混凝土建築，具有質量輕、強度高、高寬比大、自然振動頻率低
與阻尼低之特性，對風敏感性增加，使得風力作用成為地震之外，在結
構設計時必須考慮的重要因素，特別是位於西太平洋颱風區，風害頻繁
的台灣。高層結構物振動與紊流風場之間的互制現象是一個相當複雜的
問題，到目前為止，並無適當的理論或數值模式可準確地預測，工程界
仍仰賴風洞模型實驗，配合實地的風場資料來評估結構物受風力的動態
反應。
本研究將裝設調和液柱阻尼器高樓結構模型置於邊界層風場中，量
測結構物在不同風速時，其順、橫風向風力與結構反應的時間歷時。此
系統可視為二自由度之運動方程式，以氣動力阻尼係數修正此方程式，
由Davenport 順風向與Ohkuma & Kanaya 橫風向風力頻譜，利用數
值方法計算系統之氣動力反應、轉換函數與均方根反應。整合風洞實驗
與理論分析的結果，建立包括風場特性、結構外型、結構特性與調和液
柱阻尼器特性之分析模式，並對調和液柱阻尼器的效用進行評估，以瞭
解其對結構氣動力效應抑制的程度。
藉由本研究可瞭解結構物與風場之互制現象以及結構物受風之氣動
力反應，並結合調和液柱阻尼器，達到改善結構物抗風特性的目的，可
更精確地建立結構物受風力之反應模式，希望對國內結構耐風設計提供
一參考準則。

widely used in the construction of high-rise buildings in the recent year,
wind-induced vibration of flexible and flexibly supported rigid body has
become a research area of great interest. However, this
phenomenon involves complex fluid-structure interaction. To this
date, the understanding of the phenomenon remains incomplete.
In this study, the aerodynamic behaviors of high-rise buildings with
tuned liquid column dampers are experimentally investigated.
Experiments are carried out in a large-scale atmospheric wind tunnel.
By changing the natural frequency and damping ratio of structure, the
amplitude and frequency of vibration are measured for a variety of wind
conditions. The vortex shedding from a vibration structure are
investigated to understand the lock-in phenomenon. Finally, the
effectiveness of tuned liquid column damper to reduce wind-induced
vibration are tested in this study. Results of this study can improve our
understanding of the fluid-structure interactions and the design of highrise buildings.

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