研究生: |
許雅婷 Ya-Ting Hsu |
---|---|
論文名稱: |
單自由度等效線性系統於RC結構韌性需求之應用研究 Study on Ductility Demand with Equivalent Linearization Method for Reinforced Concrete Buildings |
指導教授: |
邱建國
Chien-Kuo Chiu |
口試委員: |
蕭輔沛
Fu-Pei Hsiao 簡文郁 Wen-Yu Chien 廖國偉 Kuo-Wei Liao |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 營建工程系 Department of Civil and Construction Engineering |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 151 |
中文關鍵詞: | 等效線性系統 、鋼筋混凝土 、韌性需求譜 、非線性動力分析 、耐震能力評估 |
外文關鍵詞: | Equivalent linearization system, Reinforced concrete, Ductility demand spectrum, Nonlinear dynamic analysis, Seismic capability evaluation |
相關次數: | 點閱:324 下載:11 |
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為改善RC結構物於非線性動力分析之繁瑣及費時等缺點,透過單自由度等效線性系統與脊骨模型模擬非線性動力分析,並改變傳統等效線性法必須進行反覆迭代運算以推估非線性最大位移之缺點,本研究提之等效線性法可不需採用迭代運算即可估算其非線性最大位移,考慮台灣現有耐震設計規範及結構動力之考量,建立一適用於台灣之等效線性法,並結合側推分析推估樓層位移及層間變位;亦針對短週期區及長週期區等效線性法及非線性動力分析之誤差提出修正方法,提高等效線性法精確度及可行性。此外,提出之單自由度等效線性系統非線性最大位移推估法,可有效率地將設計地震反應譜轉換為韌性需求譜,以提供工程師於設計時對於建築物變形之需求有所了解,最後並以實例分析作為探討。
To improve the complication and time-consumimg of the RC structures in nonlinear dynamic analysis, through SDOF and spine model to simulate nonlinear dynamic analysis, and replace the traditional equivalent linearization method that must be repeated to estimate the maximum displacement of the nonlinear structures. This study can estimated the maximum displacement without iterative calculation, for Taiwan’s seismic design code and structural dynamics concern, established an equivalent linearization method of Taiwan as well as using pushover analysis estimated the story displacement and drift ratio;In order to increase the accuracy and feasibility, also presented the modify method with regard to the error between nonlinear dynamic analysis and equivalent linearization method of the short period and the long period region.This study can efficiently converted the design seismic response spectrum to ductility demand spectrum, to provide engineers the displacement and ductility demand of the structures.
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