| 研究生: |
林鉦桐 Lin, Cheng-Tung |
|---|---|
| 論文名稱: |
應用雙線性模型震損指標建立區域性震損預估圖之研究 Establishing Regional Damage Forecast Map by Bi-Linear Damage Indices |
| 指導教授: |
朱世禹
Chu, Shih-Yu |
| 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: | 2011 |
| 畢業學年度: | 99 |
| 語文別: | 中文 |
| 論文頁數: | 200 |
| 中文關鍵詞: | 雙線性模型損壞指標 、系統識別 、非線性數值模型 、地球物理資訊管理系統 、震損預估圖 |
| 外文關鍵詞: | Bi-Linear Model Damage Index, System Identification, Nonlinear model, Geophysical Database Management System, Damage Forecast Map |
| 相關次數: | 點閱:168 下載:4 |
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| 查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
台灣位於歐亞板塊與菲律賓海板塊的交界帶,地震活動頻繁,尤其災害型地震的發生將造成社會與經濟的衝擊,且嚴重造成人員的傷亡,因此積極的降低與預防震災損害將相當重要。藉由適當定義結構物損壞指標,將可瞭解結構物於強震後是否安全或毀壞,並以定量方式對損壞情形進行分類,可作為結構物修復或補強之依據。本文參考Bozorgnia與Bertero基於理想彈塑模型所建議之損壞指標,並改良其理論模型為雙線性模型,探討結構物受到較大地震作用後,反應從線性階段進入非線性(塑性)階段時,結構物損壞行為與損壞指標相關參數之關聯性。並分別採用二層樓RC校舍縮尺模型振動台試驗資料與中興土環大樓之強震監測資料,以校正損壞指標數值模型之參數與規範建議之參數,獲得合理之損壞指標。並依據中央氣象局速報系統之自由場測站資料,計算損壞頻譜來建立區域性震動損壞預估圖,以初步評估結構物損壞程度,作為往後結構物修復與補強之依據,同時以成功大學光復校區作為區域震損預估圖之成果展示,本文所建議之指標將有助判定建築物於地震發生後是否安全之參考。
The damage indices of buildings based on the combinations of the ratio of ductility demand over capacity and the ratio of hysteretic energy demand over capacity are modified from the simplified single-degree-of-freedom (SDOF) elastic- perfectly-plastic model into the proposed SDOF bi-linear model in this study. Some critical parameters of the bi-linear model are calibrated from the experimental measurements of shaking table tests of scaled-down two-story reinforced concrete school building models and the strong motion records of a real building. Based on the proposed damage indices and the calibrated results, the regional damage spectra can be established based on the strong motion records of nearby free-field stations from the CWB's Geophysical Database Management System. Finally, the regional damage forecast map can be illustrated based on the damage spectra and the building information of the region. The KuangFu campus of Nation Cheng Kung University is adopted in this study as the demonstration region for establishing its regional damage forecast map.
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