研究生: |
黃藝輝 YIHUI - HUANG |
---|---|
論文名稱: |
動力數值模擬探討立面混構造在靜力竪向分配設計上之放大係數--以上海耐震設計為例 Development of Amplification Factor for Timber-Concrete Hybrid Structures Based on Dynamic Numerical Simulation--A Shanghai seismic design Perspective-- |
指導教授: |
江維華
Wei-hua Chiang 蔡孟廷 Meng-ting Tsai |
口試委員: |
施宣光
Syuan-guang Shih |
學位類別: |
碩士 Master |
系所名稱: |
設計學院 - 建築系 Department of Architecture |
論文出版年: | 2016 |
畢業學年度: | 104 |
語文別: | 中文 |
論文頁數: | 106 |
中文關鍵詞: | 靜力豎向分配 、動力數值模擬 、放大係數 、立面混構造 |
外文關鍵詞: | timber-concrete hybrid structure, dynamic numerical simulation, load distribution, amplification factor |
相關次數: | 點閱:262 下載:6 |
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全球暖化使低碳建築成為趨勢,而木構造建築更是綠建築中的典範,本文中研究探討之立面混構造,為木造-混凝土造上下混構之立面混構造建築。立面混構造之結構剛度沿高度分佈不均勻,尤其在木造-混凝土造之交接層,規範之靜力竪向分配有放大的可能性,並且地震作用計算較為複雜。為更準確地應用設計此類型立面混構造,本文以動力數值模擬方式,透過計算分析立面混構造在動力模擬下的位移響應,其結果與規範中靜力竪向分配下之位移響應結果進行分析比較,得到理論設計上之竪向分配放大係數之修正值。根據數值模擬分析結果,得出混構造木構層靜力豎向分配放大係數修正值函數α= f(x) = 0.47x + 1.00,x表示樓層,可取α參考值,第二層1.94,第三層2.41,第四層2.88。研究結果可作為木造-混凝土造上下混構之立面混構造在耐震設計下之重要參考依據。
Extensive concerns on environmental protection have provoked low-carbon buildings to be the mainstream of building construction worldwide, and timber structures in this sense outperform other structural forms. Timber-concrete hybrid structures featuring distinct timber and concrete stories typically exhibit uneven stiffness distribution along the structure height; in particular, abrupt stiffness changes occur at the timber-concrete transition stories. Therefore, structural designing of such hybrid structures must consider a stiffness amplification effect in the static structural calculation as well as complicated procedures in the dynamic analysis. To determine an appropriate amplification factor for design purpose, this study employed a dynamic numerical approach to determine the displacement response of timber-concrete hybrid buildings and compared the results with the displacement response obtained from static analyses. According to the results, it is found that the appropriate amplification factor should beα= f(x) = 0.47x + 1.00.αcan be valued 1.94 at 2nd floor, 2.41 at 3rd floor and 2.88 at 4th floor. The results may serve as a reference for seismic designing of timber-concrete hybrid structures.
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