博碩士論文 88430010 詳細資訊




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姓名 方俊華(Jean-Hwa Fang )  查詢紙本館藏   畢業系所 管理學院高階主管企管碩士班
論文名稱 我國光纜產業現況與整體發展趨勢探討
(On Finite Element Analysis of FRP-Retrofitted RC Beams)
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摘要(中) 近年來,歐美日等先進國家積極地進行應用纖維強化高分子複合材料(Fiber Reinforced Polymer,簡稱FRP)於鋼筋混凝土(RC)結構補強之各種相關研究,以解決RC結構物除了因設計、施工與使用不當及因材料老化與環境腐蝕所引發的維修問題。
目前國內外相關研究主要以試驗分析為主,對於FRP補強RC構件力學行為的理論探討與有限元素之數值分析模擬方面研究較少。因此本研究主要重點為研究FRP補強RC梁有限元素分析,應用非線性有限元素分析程式-ABAQUS,以ABAQUS混凝土及鋼筋材料模型與特殊內嵌於混凝土元素中之鋼筋模型,配合不同型態元素建立FRP補強RC梁之有限元素分析模型。以有限元素法分析、模擬與預測RC梁與FRP補強RC梁之力學行為,並探討RC梁有限元素分析時材料參數選用對於勁度與極限承載力之影響。
摘要(英) In recent years, modern countries in the world have paid more attentions to the maintenance problems of Reinforced Concrete (RC) structures caused by the inadequate design, construction, and operation as well as the aging of materials and corrosion in severe environments. In order to address these problems, there have been many research efforts made in applications of Fiber Reinforced Polymer (FRP) to the strengthening and retrofitting of RC structures.
Most of research efforts in applications of FRP to retrofitting RC structures have been on experimental studies. There are only a few on theoretical studies, and very few on numerical simulations, such as finite element analysis. The goal of the present research is to analyze and predict the behavior and failure mechanism of RC beams and FRP-retrofitted RC beams using the nonlinear finite element package-ABAQUS. Also, the present research discusses the effect of material parameters used in the analysis on the predicted stiffness and ultimate load capacity of the FRP-retrofitted beams
關鍵字(中) ★ 有限元素分析
★  結構補強
★  纖維強化高分子複合材料
★  鋼筋混凝土結構
關鍵字(英) ★ Fiber Reinforced
★  Reinforced Concrete Structures
論文目次 目錄
第一章 緒論…………………………………………………………….1
1.1前言…………………………………………………………….1
1.2 研究動機………………………………………………………3
1.3 研究內容………………………………………………………5
1.4 論文架構………………………………………………………6
第二章 結構補強與FRP補強…………………………………………7
2.1結構物補強…………………………………………………….7
2.2外加材料補強………………………………………………….8
2.2.1鋼板補強…………………………………………………9
2.2.2 FRP材料補強…………………………………………..12
2.3.3鋼板與FRP補強之比較……………………………….17
第三章RC構件之有限元素分析與文獻回顧………………………..19
3.1鋼筋混凝土之材料性質………………………………………19
3.1.1 鋼筋材料性質…………………………………………..19
3.1.2混凝土材料之性質………………………………………20
3.2 混凝土破裂之有限元素分析………………………………...33
3.2.1混凝土開裂模擬…………………………………………33
3.2.2 ABAQUS混凝土開裂模型…………………………….40
3.3鋼筋元素模擬…………………………………………………45
3.4結論……………………………………………………………53
第四章 FRP補強RC梁二維有限元素分析……………………….…54
4.1 FRP補強鋼筋混凝土梁試體………………………………….54
4.2 分析假設……………………………………………………56
4.3 RC梁線性分析……………………………………………….58
4.3.1 線性分析材料參數……………………………………59
4.3.2 有限元素模型與網格密度…………………………….59
4.3.3 結果與討論……………………………………………62
4.4 RC梁非線性分析……………………………………………67
4.4.1 非線性分析材料參數…………………………………67
4.4.2 RC梁非線性分析元素與網格密度 …………………77
4.4.3分析結果與討論…………………………………………78
4.5 FRP補強RC梁二維非線性分析…………………………….85
4.5.1 元素、網格密度與鋼筋模擬 …………………………85
4.5.2 材料參數與分析假設…………………………………96
4.5.3 FRP補強RC梁方式…………………………………97
4.5.4 分析結果與討論………………………………………97
4.6結論…………………………………………………………...98
第五章 FRP補強RC梁之三維有限元素分析………………………103
5.1分析假設……………………………………………………103
5.2 RC梁三維非線性有限元素分析…………………………..104
5.2.1 材料參數…………………………………………….104
5.2.2 分析元素、網格密度與鋼筋模擬方法………………105
5.2.3 分析與討論…………………………………………113
5.3 FRP補強RC梁三維分析………………………………….121
5.3.1 材料參數……………………………………………121
5.3.2 分析元素、網格密度與鋼筋模擬方法…………….121
5.3.3 FRP補強方式…………………………………………122
5.3.4 分析與討論…………………………………………..124
5.4 結論………………………………………………………129
第六章 結論與展望…………………………………………………..138
6.1結論………………………………………………………….142
6.2 展望………………………………………………………140
參考文獻………………………………………………………………142
附錄………………………………………………………………….147
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指導教授 吳大任(Dach-Rahn Wu) 審核日期 2001-12-20
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