臺灣博碩士論文加值系統

本研究基於材料的耐久性為出發點，透過各樣的指標來評估鋼筋混凝土橋梁的耐久性。各指標間的相互關係，採用層級分析法決定各指標的權重。所選定的指標分為兩大類: 混凝土現況與腐蝕狀況。經由專家座談會並整合每位專家意見後經由填寫問卷的方式，獲得各耐久性指標之權重關係。除了材料的因子外，其他影響耐久性的因子，以放大係數的方式相乘在已得到之材料耐久性得分上。這類放大係數考量的有齡期因子、重車流量因子以及環境因子。
透過以上系統化方式，對橋梁單一構件及整體結構的材料耐久性綜合評估，建立本土化的計算方式。

In this study, the durability of the reinforced concrete bridge is evaluated by considering mainly the indices of the durability of materials. The relationships between these indices are expressed by the weight of each index which is determined by the analytic hierarchy process (AHP). These indices are categorized into two fields: the status of concrete and the status of corrosion. Through a discussion meeting, the weight of each index is determined by collecting the choices of specialists, which are done by answering the questionnaire. Besides of the material effect, other factors that may influence the durability are counted by using the amplification factors which are used as the multipliers on the durability score determined by the material factor. These factors involved the life factor, heavy traffic factor and environment factor.
Through the systematic and logic processes described above, the domestic durability evaluation system is constructed and it can be applied for a single structural member as well as the whole structure.

中文摘要 I
英文摘要 II
目 錄 III
表目錄 VI
圖目錄 IX
第一章 緒 論 1
1.1 研究動機 1
1.2 研究目的 4
1.3研究內容 5
第二章 文獻回顧 7
2.1混凝土耐久性 7
2.1.1 混凝土之耐久性 7
2.2 耐久性評估 11
2.2.1 評估方法 11
2.2.2 橋梁D.E.R.&U.目視檢測評估簡介 16
2.2.3 層級分析法的原理 18
第三章 RC 橋梁材料耐久性評估 23
3.1 定義與範疇 23
3.2 權重方法之決定 24
3.3 材料因子耐久性指標之分層 25
3.4 腐蝕現況耐久度指標介紹 29
3.4.1鋼筋銹蝕電位的檢測與判定 29
3.4.2結構混凝土碳化深度的檢測與評定 36
3.4.3結構混凝土中氯離子含量的測定與評判 38
3.4.4鋼筋銹蝕電流的檢測與判定 42
3.5 混凝土現況耐久度指標介紹 44
3.5.1混凝土電阻率的檢測與評定 45
3.5.2結構混凝土強度的檢測與評定 47
3.5.3 表觀損傷的檢測與評定 57
3.5.4混凝土中鋼筋分布及保護層厚度的檢測與評定 68
3.6因子介紹 77
3.6.1橋梁概況與環境條件的調查 77
3.6.2重車流量因子 79
3.6.3橋梁齡期因子 80
3.7 耐久性綜合評估方法 82
3.8 橋梁耐久性評估之優先順序決定 86
第四章 橋梁耐久性評估實例分析探討 87
4.1 橋梁耐久性評估規劃 87
4.1.1 整體評估作業流程 87
4.1.2 檢測計畫之考慮因素 88
4.1.3 橋梁檢測前之準備作業 88
4.2 耐久性檢測實例 89
4.2.1 冬山河五結橋梁 89
4.2.2新竹誠仁橋 107
4.3評估結果討論 115
第五章 結論與建議 117
5.1 結論 117
5.2 建議 118
參考文獻 119
附錄1 會議記錄表 122
附錄2 專家問卷表 123
謝誌 151
個人簡歷 152

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