| 研究生: |
陳柏州 Chen, Po-Chou |
|---|---|
| 論文名稱: |
液流阻尼器應用於簡支橋樑抗震之研究 Aseismatic analysis of Fluid Damper controlled Steel Bridges |
| 指導教授: |
徐德修
Hsu, Deh-Shiu 朱世禹 Chu, Shih-Yu |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2009 |
| 畢業學年度: | 97 |
| 語文別: | 中文 |
| 論文頁數: | 99 |
| 中文關鍵詞: | 鋼橋減震 、消能元件 、液流阻尼器 、簡支橋樑 、非線性動力分析法 |
| 外文關鍵詞: | energy dissipation device, Fluid Damper, simply supported bridges, aseismatic of steel bridges, nonlinear dynamic procedure |
| 相關次數: | 點閱:151 下載:12 |
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近年來隨著國內運輸工程之迅速發展,鋼橋的使用十分廣泛,其技術已經十分成熟,而在鋼橋之消能技術方面,尚有極多的研究空間。而阻尼減震裝置已成功的應用在一般建築之中。在此我們將以液流阻尼器為阻尼裝置裝設在三維單跨之立體簡支鋼橋上並觀察其消能效果,包括上部結構與橋墩間之相對位移對落橋之影響。
文中以非線性動力法利用SAP2000套裝軟體分析安裝液流阻尼器之鋼橋減震效果。首先說明SAP2000程式與非線性動力分析法,並以實際之設計例探討液流阻尼器在三維立體簡支橋樑受到地震力作用時的減震功能。在本文分析實例中顯示其對落橋機能之減震效果十分顯著。文中並進一步探討液流阻尼器對於簡支橋樑結構之防震功能。
In recent years, the application of steel bridges is extremely popularized, and the related technology is already well developed. On the vibration reduction of steel bridges, there are still lots of space for development. Damping vibration reduction technology has been successfully applied practically. We will observe the effect on energy reduction, and the problem of bridge collapse by investigate the influence of the relative displacement between superstructure and bridge pier, with examples of three-dimensional simply supported steel bridges installed by fluid dampers.
In the study, SAP2000 software package is used to analyze the vibration reduction of steel bridges with nonlinear dynamic analysis. The SAP2000 software package is explained firstly, and then the nonlinear dynamic procedure is introduced. Practical design examples of three-dimensional simply supported steel bridge with and without fluid damper subjected to earthquake excitations are then analyzed to discuss the function of the vibration reductions. Results show that the fluid dampers on vibration reduction of bridge collapse function are extremely remarkable. Furthermore, the aseismatic function of the simply supported bridge by installing fluid dampers are also discussed on the safety of superstructures.
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