臺灣博碩士論文加值系統

摩擦單擺支承墊為常見之滑動式隔震支承，回顧先前對摩擦單擺支承墊之力學行為研究，大多針對單軸向試驗進行探討，有鑑於此，本研究著重探討摩擦單擺支承於雙軸向非比例平面軌跡加載試驗之多軸向遲滯行為，且利用Mosqueda等人提出之數值分析模型模擬試驗結果，其數值分析模型與理論公式之差異為摩擦力計算方式，數值分析模型考慮摩擦力於雙軸向運動下兩軸向之相互影響，本研究依據數值分析模型之模擬結果探討其適用性。
經由試驗結果中顯示，Mosqueda等人提出之數值分析模型大多能準確模擬出摩擦單擺支承墊在雙軸向非比例平面軌跡試驗下之力學行為，因此建議進行摩擦單擺支承墊設計時，應考慮雙軸向運動下，兩軸向之相互影響，能更精準預測出摩擦單擺支承墊受地震力作用下之力學行為。且由試驗後觀察，摩擦材料在進行多筆試驗後，表面些微磨損及變形，表示在經歷過複雜運動後，摩擦材料可能會破壞，因此建議磨擦材料應具有足夠之剛度與磨耗能力，以抵抗受地震力作用後之變形及損壞。

Friction pendulum bearings (FPB) are among others the most commonly used friction-type seismic isolation bearing. Though there have been a great amount of researches conducted correspondingly, the focus has been mostly limited to unilateral hysteresis behavior. It is there the attempt of this study to conduct bilateral non-proportional loading tests and to investigate the hysteresis behavior of the bearings.
Mosqueda model is used to examine its appropriateness of analytical prediction for the bearing hysteresis, in which the variation of the friction force under bilateral interaction is considered. Based on the correlation between the experimental and analytical results, it is concluded that Mosqueda model deserve the capability to well predict the bearing hysteresis under bilateral non-proportional loadings. Besides, the variation of the friction force due to the wear of the friction interface is the most difficult part in predicting the friction force. Therefore, in the seismic isolation design using FPB, the variation of friction force should be carefully considered with an upper bound and lower bound analysis.

摘要
ABSTRACT
誌謝
目錄
表目錄
圖目錄
第一章 緒論
1.1研究背景與動機
1.2研究目的
第二章 摩擦單擺支承墊介紹
2.1摩擦單擺支承墊之基本構造介紹
2.1.1單曲率摩擦單擺支承墊
2.1.2雙曲率摩擦單擺支承墊
2.2摩擦單擺支承墊之基本力學性質
2.3數值分析模型
第三章 雙軸向非比例平面軌跡載重試驗規劃
3.1試驗介紹
3.1.1試驗系統
3.1.2量測儀器
3.1.3試驗用縮尺摩擦單擺支承墊
3.2試驗程序
3.2.1單軸向反覆載重試驗程序
3.2.2雙軸向平面軌跡加載試驗程序
第四章 試驗結果與討論
4.1試驗結果
4.1.1單軸向反覆載重試驗結果及比較
4.1.2雙軸向平面軌跡加載試驗結果
4.2數值分析結果
4.3摩擦單擺支承墊於試驗前後摩擦材料之比較
第五章 結論與建議
5.1結論
5.2建議
參考文獻
附表
附圖

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