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研究生:蔡祐麟
研究生(外文):Yu-Lin Tsai
論文名稱:多功式摩擦阻尼器應用於結構系統之分析
論文名稱(外文):Multi-functional Friction Damper for the Analysis of Structure Systems
指導教授:張簡嘉賞
指導教授(外文):Chia-Shang Chang Chien
口試委員:盧煉元林世強
口試委員(外文):Lyan-Ywan LuShyh-Chyang Lin
口試日期:2015-01-22
學位類別:碩士
校院名稱:國立金門大學
系所名稱:土木與工程管理學系碩士班
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2015
畢業學年度:103
語文別:中文
論文頁數:198
中文關鍵詞:多功式摩擦阻尼器兩階段啟動機制被動控制
外文關鍵詞:Multi-functional friction dampertwo sets of activation mechanismpassive control
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傳統被動控制阻尼器受限於僅能提供單一出力設計模式,故結構加裝傳統被動控制阻尼器多以設計抵抗強烈地震為原則,故於一般中小型地震作用下,阻尼器於絕大部份之地震歷時下如同斜撐一般,只能提供加勁效果,並不能使結構消能,唯有地震強度大於阻尼器啟動消能機制門檻,才可啟動阻尼器進行減能減震。為突破傳統傳統被動控制阻尼器之單一出力設計的侷限,本研究之摩擦阻尼器為核心,發展具兩段啟動機制之多功式摩擦阻尼器(Multi-functional Friction Damper,MFD ),藉由設計兩組不同出力大小的啟動機制,以達到震(振)動敏感建物之多重減震需求。本研究分別以矩型積分法與梯型積分法進行單自由度與多自由度數值模型之動力方程式推導,並完成相互驗證。此外,藉由不同型態震波擾動(一般震波與近域震波) ,並進行相關參數分析與數值模擬,其結果顯示出,結構加裝MFD確實能夠有效降低結構受地震擾動之動力反應,且不論於中小地震,抑或於強烈地震下, MFD較傳統摩擦阻尼器有更全面性之防護與減震效益。
The traditional passive control damper is limited to the design model of providing a single output. Thus, structures equipped with the traditional passive control damper are mostly designed for resisting strong earthquakes. Under the effect of small and medium earthquakes, such a damper can only provide the stiffening effect similar to a diagonal brace for most of the earthquake duration and does not enable energy dissipation of the structure. Only when the earthquake intensity is greater than the start threshold of activating the energy dissipation mechanism of the damper, the damper then is activated to perform such dissipation and shock absorption. In order to break through the design model limitation of the traditional passive control damper, i.e. providing a single output, the present study uses the friction damper as the core to develop a multi-functional friction damper (MFD) equipped with two sets of activation mechanisms. Through the design of two sets of activation mechanism for different scales of output, the demand of multiple functions for shock absorption in the vibration sensitive buildings can be achieved. The present study applies the rectangular integral method and the trapezoidal integral method to derive the dynamical equation of single degree of freedom (SDOF) and multi-degree of freedom (MDOF) separately and completes the verification between both results. In addition, by applying the disturbance of different wave types (general shock wave and near field shock wave), we perform analysis of relevant parameters and data simulation. The results show that addition of the MFD to the structure can effectively reduce the dynamic response on the structure under the disturbance of earthquakes. Furthermore, regardless of the earthquake intensity to be medium, small or strong, the MFD provides better efficiency of protection against and shock absorption of earthquakes than that of the traditional friction damper.
摘要 I
ABSTRACT II
致謝 III
目錄 IV
表目錄 VII
圖目錄 XI
第一章 緒論 1
第二章 單自由度MFD結構之理論分析公式推導 11
2-1梯型積分法 11
2-1-1運動方程式推導 11
2-1-2摩擦力計算 13
2-1-3計算不同階段阻尼器之摩擦力及滑動位移量 14
2-2矩型積分法 19
2-2-1運動方程式推導 19
2-2-2摩擦力計算 20
2-2-3計算不同階段阻尼器之摩擦力及滑動位移量 21
2-3矩型積分法與梯型積分法相互驗證 26
2-3-1時間步幅 26
2-3-2不同震波之分析 30
2-4變化MFD起始滑動中心點位置 34

第三章 單自由度參數研究 37
3-1阻尼器設計參數 35
3-2參數分析 39
3-3參數分析-一般擾動震波 39
3-3-1擾動震波-一般震波 40
3-3-2相關參數設計 40
3-4參數分析-長週期震波 73
3-4-1擾動震波-長週期震波 73
3-4-2相關參數設計 73
3-5綜合評估 106
第四章 單自由度MFD結構之減震效益評估 107
4-1傳統摩擦阻尼器設計 107
4-2小地震(PGA=0.2g)下之減震效益分析 112
4-2-1加速度歷時 112
4-2-2遲滯迴圈 116
4-2-3地震擾動下結構能量之消散 117
4-3強烈地震(PGA=0.5g)下之減震效益分析 120
4-3-1加速度歷時 121
4-3-2遲滯迴圈 124
4-3-3地震擾動下結構能量之消散 126
4-4加速度趨勢圖 128
第五章 多自由度MFD結構之運動方程式推導 131
5-1摩擦力計算 134
5-2求解實際摩擦力 135
第六章 多自由度MFD結構之減震效益評估 147
6-1多自由度MFD參數設計 147
6-2小地震(PGA=0.2g)下之減震效益分析 148
6-2-1加速度歷時 149
6-2-2層間位移量 156
6-2-3遲滯迴圈 161
6-2-4地震擾動下結構能量之消散 164
6-3強烈地震(PGA=0.5g)下之減震效益分析 167
6-3-1加速度歷時 168
6-3-2層間位移量 175
6-3-3遲滯迴圈 180
6-3-4地震擾動下結構能量之消散 183
6-4加速度趨勢圖 186
第七章 結論與建議 193
參考文獻 195

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