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系統識別號 U0026-0812200911310993
論文名稱(中文) 菱形機構阻尼系統穩定性之研究
論文名稱(英文) Stability of Rhombus Mechanism Damper System
校院名稱 成功大學
系所名稱(中) 土木工程學系專班
系所名稱(英) Department of Civil Engineering (on the job class)
學年度 93
學期 2
出版年 94
研究生(中文) 林福生
研究生(英文) Fu-Sheng Lin
學號 n6790102
學位類別 碩士
語文別 中文
論文頁數 62頁
口試委員 口試委員-施明祥
口試委員-朱聖浩
指導教授-徐德修
口試委員-王彥博
口試委員-蔡崇興
中文關鍵字 結構分析  機構阻尼系統  不穩定  液流阻尼器 
英文關鍵字 fluid damper  unstable  rhombus mechanism damper system  structure analysis 
學科別分類
中文摘要   一般建築結構基於使用性,均會提供相當勁度以限制其層間位移量,當採用液流阻尼器作為消能元件時,為放大阻尼器位移量,增加消能功能,遂有徐德修等人提出菱形機構阻尼系統,希望藉由菱形之幾何變形特性放大阻尼器之位移,達到提高阻尼器消能之目的。其經SAP2000軟體進行程式數值模擬分析,亦證實菱形機構阻尼系統確實能有效放大位移量,達到消能減振之功能。惟若依ㄧ般斜撐設計模擬該系統時,將導致該系統產生三個鉸支承反力相交於一點之幾何不穩定,且該系統無法抵抗垂直於系統之側向力,因此模擬結果會發生不穩定現象。基於此,本論文希望就一般坊間實際結合之施作模式,設定一合理之模擬方式,尋求平面菱形機構阻尼系統發生不穩定之界線,驗證菱形機構阻尼系統在施工品質精良情況下之可行性。


英文摘要   Common building structures provide enough stiffness to reduce its relative displacements between floors. While using the fluid damper as an energy-dissipating devices, it is necessary to magnify the displacement of damper to increase aseismatic energy-dissipating functions. Deh-Shiu Hsu and his colleagues propose the idea of rhombus mechanism damper system, in the hope to increase the damper displacement to dissipate energy because of the nature of rhombus deformation. By means of numerical analysis with SAP2000 software package, it is confirmed that the rhombus mechanism damper system can effectively magnify the displacements, and thus reach the goal of energy dissipation and seismic responses. However, common designs used to simulate this system show the phenomenon of unstable. Such a problem occurs because this system is geographically unstable of three-hinge’s reaction in one point, and it can’t conquer the vertical lateral force. On account of this problem, the purpose of this study is to develop a proper method of simulation under real situations. Looking for the critical of out of plane in rhombus mechanism damper system, the researcher intends to show the feasibility of such a system under actual, high quality working conditions.


論文目次 中文摘要 Ⅰ
誌 謝 Ⅲ
目 錄 Ⅳ
表 目 錄 Ⅵ
圖 目 錄 Ⅶ
第一章 緒論
1-1 研究動機與目的 1
1-2 文獻回顧 2
1-3 本文內容與架構 4
第二章 液流阻尼器特性
2-1 液流阻尼器之簡介與發展 5
2-2 液流阻尼器之力學性質 6
2-2.1 線性黏滯性阻尼系統 8
2-2.2 線性黏彈性阻尼系統 8
2-3 阻尼器之阻尼比 10
第三章 菱形機構之理論推導
3-1 肘型斜撐阻尼系統(Toggle-Brace-Damper) 14
3-2菱形機構阻尼系統(Rhombus Mechanism Damper) 16
3-2.1 菱形裝置之位移放大因子 16
3-2.2 菱形機構之力學分析 18
3-2.3 菱形機構安裝時之注意事項 20
3-3 菱形機構阻尼系統之應用 21
3-3.1 全跨度安裝 21
3-3.2 角隅安裝 23
3-4 菱形機構阻尼系統穩定性之推導 24
第四章 數值模擬
4-1 數值模擬說明 27
4-1.1 結構程式之選擇 27
4-1.2 模型尺寸之建立 28
4-1.2.1 菱形機構之設計 29
4-1.2.2 結構模型結合之設定 32
4-1.3 自然頻率之校核 32
4-1.4 阻尼器c值之決定 33
4-1.5 地震力之選擇 35
4-2 數值模擬解析 35
4-2.1 桿件結合之設計 35
4-2.2 修正後數值模擬結果 40
4-3 綜合討論 57
第五章 結論與建議
5-1 結論 58
5-2 建議 59
參考文獻 60
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3. Abdel-Rohman ,M., and Leipholz, H. H. “Active Control of Flexible Structure”, Journal of the Structure Division, ASCE, Vol. 104, pp. 1251~1978
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8. Deh-Shiu Hsu, Ming-Che Hsu, and Yung-Feng Lee, “Rhombus Mechanism with Fluid Damper”, 13th World conference on Earthquake Engineering, 2004, Paper No. 2011
9. Constantinou, M.C., P. Tsopelas, W. Hammel, and Sigaher A.N., “Toggle-Brace-Damper Seismic Energy Dissipation System”, Journal of Structural Engineering, ASCE, Vol.127, No. 2, pp.105~112,2001
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11. Taylor, D. P., “Fluid Dampers for Applications of Seismic Energy Dissipation and Seismic Isolation”, 11th Word Conference on Earthquake Engineering, No. 798, 1996.
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15. 徐敏哲,“液流阻尼器菱形機構之設計及應用”,國立成功大學土木工程研究所碩士論文, 民國九十二年六月。
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