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研究生: 林宏澤
Lin, Hung-Tse
論文名稱: 超高性能混凝土(UHPC)應用於薄殼結構之探討: UHPC等值拉力鋼筋與案例研究
Exploring the Use of Ultra-High Performance Concrete in Thin Shell Structures:Equivalent Tension Reinforcement and Case Studies
指導教授: 洪崇展
Hung, Chung-Chan
學位類別: 碩士
Master
系所名稱: 工學院 - 土木工程學系碩士在職專班
Department of Civil Engineering (on the job class)
論文出版年: 2023
畢業學年度: 111
語文別: 中文
論文頁數: 151
中文關鍵詞: 超高性能混凝土(UHPC)薄殼結構抗拉強度等值拉力鋼筋
外文關鍵詞: Ultra High Performance Concrete (UHPC), Thin Shell Structure, Tensile Strength, Equivalent Tension Reinforcement
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  • 超高性能混凝土(UHPC)是新一代混凝土,具有卓越的抗壓強度、高延展性、和耐久性。本研究旨在研究薄殼結構使用超高性能混凝土與傳統混凝土相比在設計鋼筋量、混凝土用量差異,並評估其使用效益。經由研究案例建立結構模型,依據結構分析軟體之設計結果表明,薄殼結構在相同的載重條件下,在相同的結構元素超高性能混凝土承受的彎矩內力較小,驗證超高性能混凝土的抗彎強度優於傳統混凝土,可使設計鋼筋量、混凝土用量更少,薄殼結構可以更輕更薄。UHP在抗壓強度、抗拉強度、抗彎強度、延展性、耐久性、減少材料消耗、抑制裂縫發展、維護成本等面向具有優於傳統混凝土的優勢,充分顯示出UHPC在薄殼結構中具有巨大的應用潛力。

    Ultra-High Performance Concrete (UHPC) is a new generation of concrete known for its excellent compressive strength, high ductility, and durability. This study aims to investigate the design differences in steel reinforcement and concrete consumption between thin shell structures using UHPC and conventional concrete, and evaluate their benefits. By establishing a structural model through research cases, the design results from structural analysis software demonstrate that under the same load conditions, thin shell structures using UHPC exhibit lower bending moment forces on the same structural elements compared to conventional concrete. This verifies that UHPC has superior flexural strength to traditional concrete, allowing for reduced amounts of steel reinforcement and concrete consumption, resulting in lighter and thinner thin shell structures. UHPC has significant advantages over conventional concrete in terms of compressive strength, tensile strength, flexural strength, ductility, durability, material consumption reduction, crack suppression, and maintenance costs, highlighting the enormous potential for UHPC application in thin shell structures.

    摘要 Ⅰ 誌謝 Ⅴ 目錄 VI 表目錄 Ⅸ 圖目錄 XI 第一章 緒論 1 1.1 研究動機 1 1.2 研究目的 2 1.3 研究方法 2 第二章 文獻回顧 3 2.1 超高性能混凝土 3 2.1.1 材料成份 3 2.1.2 力學性能 4 2.1.3 梁撓曲強度 10 2.1.4 結構設計原則 11 2.2 薄殼結構 13 2.3 超高性能混凝土應用於薄殼結構之國際案例 15 2.3.1 加拿大Shawnessy輕軌站屋頂 15 2.3.2 法國Jean Bouin體育場屋頂 19 2.3.3 美國GATEWAY DC展館屋頂 22 第三章 結構分析方法與假設 24 3.1 結構分析軟體材料性質參數設定 24 3.2 結構分析方法與假設 26 3.3 等值拉力鋼筋降伏強度計算 30 第四章 高雄女中校門新建工程案例探討 35 4.1 案例基本資料 35 4.2 案例使用超高性能混凝土之設計 37 4.2.1 材料性質 37 4.2.2 結構系統 39 4.2.3 結構分析模型 41 4.2.4 載重設定 42 4.2.5 超高性能混凝土設計結果 51 4.3 案例使用傳統混凝土之設計 58 4.4 案例使用超高性能混凝土或傳統混凝土之內力差異 66 4.5 案例使用超高性能混凝土或傳統混凝土之材料用量差異 85 4.6 案例使用超高性能混凝土之效益評估 86 第五章 自訂薄殼結構案例探討 92 5.1 案例基本資料 92 5.2 案例使用超高性能混凝土之設計 92 5.2.1 材料性質 92 5.2.2 結構分析模型 94 5.2.3 載重設定 95 5.2.4 超高性能混凝土設計結果 104 5.3 案例使用傳統混凝土之設計 108 5.4 案例使用超高性能混凝土或傳統混凝土之內力差異 115 5.5 案例使用超高性能混凝土或傳統混凝土之材料用量差異 125 5.6 案例使用超高性能混凝土之效益評估 127 第六章 結論與建議 147 6.1 結論 147 6.2 建議 148 參考文獻 149

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