| 研究生: |
邱一哲 Chiu, Yi-che |
|---|---|
| 論文名稱: |
校舍建築構架式鋼板補強現地試驗與分析 Field Test and Analysis for School Building Retrofitted by Steel-Framing System |
| 指導教授: |
邱耀正
Chiou, Yaw-Jeng |
| 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: | 2008 |
| 畢業學年度: | 96 |
| 語文別: | 中文 |
| 論文頁數: | 212 |
| 中文關鍵詞: | 耐震評估 、現地試驗 、耐震補強 、校舍建築 、鋼板補強 |
| 外文關鍵詞: | pushover, retrofitted, field test, strengthening, school buildings, steel-framing, epoxy-bonded steel plate |
| 相關次數: | 點閱:177 下載:4 |
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本文實驗於一棟老舊RC校舍進行結構補強,以構架式鋼板補強方法提昇其耐震能力。而此補強方式是在原結構弱抗震能力之柱梁構架上包覆鋼板,即於校舍平行走廊方向之窗檯柱補強及左右橫梁補強,規劃補強理念是提高柱在平行走廊方向的抗剪能力,以及上下樓層鋼板之連續性。
經由靜態單向側推之現地試驗結果顯示,鋼板補強之校舍比未補強校舍的耐震能力,最大強度約提昇了110%,由1444kN提升至3054kN,而抗震消能提昇約2.20倍,顯示其強度與韌性皆明顯上升。此方法不僅施工容易,且不影響結構物之原尺寸及原有功能。於實驗後證明,更確認此補強方式可以提高抗剪能力,所以對於現今的老舊校舍,鋼板補強是一個不錯的補強方式。
此外,本文使用ETABS對於實驗校舍進行推垮分析與耐震評估,並與實驗曲線作比較,驗證本文所使用之分析方法的正確性。而經由分析結果的呈現,可顯示本文的分析方法對於模擬校舍建築物的強度與耐震行為,有非常好的可靠度。
This paper presents the results of the experiments and analysis for the aseismatic capability of the existing RC school building which was retrofitted by steel-framing systems. Two specimens which are the prototype and the retrofitted buildings have been tested by monotonic static pushover. The field test results show that the maximum lateral load of the retrofitted building has nearly enhanced 110% as compared to the prototype building. The dissipation of the energy is also 2.20 times bigger than the prototype building. The proposed system is a very strong and ductile strengthening system, and it can provide a large shear capacity. This method also has some advantages such as easy construction and minimum change in the overall size of the structure.
The school building was analyzed by adopting ETABS software. In order to verify the current seismic evaluation method, the analytic curves was compared to the experimental curves. The results indicate that the proposed analytical method can predict the strength and the actual seismic behavior of school buildings accurately.
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