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研究生： 胡智超
Che-Chao Ho
論文名稱： 鋼筋混凝土梁補強及防蝕技術之開發
指導教授： 王仲宇
Chung Yue Wang
口試委員:
學位類別： 碩士
Master
系所名稱： 工學院 - 土木工程學系
Department of Civil Engineering
畢業學年度： 88
語文別： 中文
論文頁數： 133
相關次數： 點閱：6  下載：0 
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    • 很容易侵入混凝土到達鋼筋表面造成鋼筋腐蝕產生，鋼筋的腐蝕是造
    成結構物破壞的主因。在鋼筋混凝土結構物中，腐蝕的初期尚對鋼筋
    混凝土之強度影響不大，但若鐵鏽持續進行膨脹，則裂縫會因此產
    生，對結構物的強度構成嚴重的影響，使用年限因而降低。因此如何
    在有危險徵兆之前即予修補實為重要問題。

    第一章序論..................................... 1 1.1 研究動機............................. 1 1.2 研究目的及方法........................ 2 1.3 研究內容............................. 3 第二章文獻回顧................................. 5 2.1 纖維複合貼片補強彎矩強度與混凝土結構相關文獻 ..................................... 5 2.2 纖維複合貼片補強剪力強度於混凝土結構相關文獻 ..................................... 7 2.3 腐蝕對於鋼筋混凝土結構影響之相關文獻... 8 第三章RC 梁補強分析模式........................ 11 3.1 梁之FRP 分析模式..................... 11 3.2 RC 梁之FRP 補強理論與彎矩補強設計公式.. 15 3.2.1 彎矩補強之設計理論.............. 15 3.2.2 極限撓曲強度.................... 17 3.3 RC 梁之FRP 貼片補強剪力強度........... 20 3.4 RC 梁貼片補強載重-變形分析............ 23 第四章鋼筋混凝土腐蝕原理及防蝕技術............. 25 4.1 混凝土中鋼筋的防蝕機構............... 25 4.2 腐蝕電化學反應....................... 25 4.3 混凝土中鋼筋的腐蝕機理............... 26 4.4 鋼筋腐蝕對結構物安全之影響........... 29 4.5 陰極防蝕技術........................ 30 4.5.1 陰極防蝕之原理.................. 30 4.5.2 陰極防蝕的方法.................. 31 4.5.3 陰極防蝕保護標準................ 32 4.6 鋼筋腐蝕檢測........................ 32 4.7 鋼筋腐蝕量計算公式................... 35 第五章試驗計畫與執行.......................... 37 5.1 試驗目的............................ 37 5.2 試驗規畫............................ 37 5.3 鋼筋混凝土梁試體設計................. 38 5.4 試體編號說明......................... 38 5.5 材料性質............................ 39 5.6 腐蝕試體製作......................... 40 5.7 纖維貼片施工流程..................... 41 5.8 鋅板防蝕施工流程..................... 41 5.9 腐蝕檢測儀器......................... 42 5.10 實驗裝置與流程...................... 42 5.10.1 實驗裝置....................... 42 5.10.2 實驗流程....................... 43 第六章試驗結果與討論.......................... 44 6.1 腐蝕試體進行防蝕工程結果討論.......... 44 6.2 陽極加速腐蝕試體之腐蝕量估算.......... 46 6.3 腐蝕對承載力之影響................... 47 6.4 FRP 補強與承載力之關係................ 48 6.5 破壞模態觀察........................ 49 6.6 解析與試驗解之比較................... 53 第七章結論與建議.............................. 55 7.1 結論................................ 55 7.2 建議................................ 56 參考文獻...................................... 57

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