| 研究生: |
王偉鍵 Wang, Wei-Cheng |
|---|---|
| 論文名稱: |
加勁擋土牆耐震分析 |
| 指導教授: |
黃景川
Huang, Ching-Chuan |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2004 |
| 畢業學年度: | 92 |
| 語文別: | 中文 |
| 論文頁數: | 173 |
| 中文關鍵詞: | 極限平衡分析法 、加勁擋土牆 |
| 外文關鍵詞: | limiting equilibrium methods |
| 相關次數: | 點閱:78 下載:2 |
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本研究係針對一般加勁擋土牆,改良於“多楔形”之擬靜態(Pseudo-static)分析法。藉由“極限平衡法”中力平衡的觀點,著手推導牆前被動土壓力的貢獻,用以評估在地震作用下之穩定性。同時藉由日本鐵道路堤(Tanata wall)案例進行分析與驗證,對於該牆體在阪神地震中未受破壞之機制亦得到合理之解釋。
本研究對塊石(Modular blocks)或剛性面版(Full-height rigid panel)等不同面版擋土牆的耐震行為,做一進行廣泛之參數分析。結果發現剛性面版具有重力與黏結力效果,可提昇整體之耐震性。
本研究提出“改良式三楔形分析法”,配合Newmark(1965)塊體滑動理論的變位計算,並結合電腦程式的計算,將使加勁擋土牆的耐震分析進入“Performance-based”之境界,比一般採用以“力平衡”為出發點之耐震設計更具效率性與實用性。
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