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研究生： 黎媛霞
Le Nguyen Hiep
論文名稱： 應用瀝青膠泥化學成份與發泡因子於冷拌再生發泡瀝青混凝土之成效研究
Evaluation of the binder chemical components, foaming parameters, and its effect on the Cold mix asphalt performance using Recycled Asphalt Pavement
指導教授： 陳世晃
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
論文出版年： 2021
畢業學年度： 109
語文別： 英文
論文頁數： 80
中文關鍵詞： 發泡瀝青 、發泡因子 、化性分析 、發泡劑
外文關鍵詞： Foam bitumen, foamability factors, SARA, Foaming agent
相關次數： 點閱：13  下載：0 
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    • 在過去的幾年中，已經開發出將泡沫瀝青膠泥和再生瀝青路面 (Recycle Asphalt Pavement , RAP) 結合起來生產冷拌瀝青。研究人員已經認識到兩個標準起著重要作用：(1) 瀝青膠泥的不同化學成分影響發泡性，以及 (2) 不同的發泡性對混合料的性能有影響。本研究的重點是探索瀝青混合料特性對發泡性的影響，三組來自不同的公司 AC-20 瀝青分別使用和不使用發泡劑，通過薄層色譜和火焰離子化檢測器 (Thin-Layer Chromatography and Flame Ionization Detection, TLC-FID) 方法分析膠泥的化學性質，以飽和成份、芳烴、樹脂和瀝青精 (Saturate, Aromatic, Resin and Asphaltene, SARA) 組分。根據振盪元素組（瀝青精和飽和成份）與擴散元素組（芳香族和樹脂）之間的比率來評價膠泥的穩定性，該比率稱為膠泥指數（Colloidal Index, CI），它用於評價膠泥的穩定性膠泥。本研究中膠泥發泡物性分析包括使用1.5%、2.0%、2.5%、3.0%、3.5%、4.0%和4.5%的含水量。本研究通過使用半衰期（Half Life, HL）和膨脹比（Expansion Ratio, ER）來評估所有膠泥的工作性，本研究還使用泡沫指數（Foam Index, FI）和氣泡表面積指數（Surface Area Index, SAI）來評估哪種膠泥具有更好的工作性。當使用發泡添加劑時，泡沫的性能在穩定性和膨脹性方面得到了極大的改善。結果表明，瀝青來源的差異決定了其發泡性，即使它們具有相同的黏度等級。發現了這種關係並且將更好的瀝青評價為具有更好穩定性和發泡指數的瀝青，發現 FI 變化是 CI 變化的 71%，同樣，由此產生的 FI 和 SAI 的相關性高達 88%。此關係值得未來更進一步深入研究.

    A combination of foamed asphalt binder and recycle asphalt pavement (RAP) to produce cold-mix asphalt have been developed in the past few years. The researcher had recognized two criteria that play important roles, (1) different chemical components of binder influence the foamability, and (2) different foamability has affection on the performance of the mixture. This study focuses on exploring the influence of asphalt binder properties on foamability. Three groups of AC-20 bitumen were taken from different companies. With and without the foaming agent (FA), the binder’s chemical properties were analyzed by Thin-Layer Chromatography and Flame Ionization Detector (TLC-FID) method to separate saturates, aromatics, resins, and asphaltenes (SARA) components. Ratio between the oscillated element (asphaltenes and saturates) and the diffuse element (aromatics and resins) to evaluate the stability of the binder called the colloidal index (CI). Physics foamability analysis in this study include water content of 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0% and 4.5%. Half-life (HL) and expansion ratio (ER) used to evaluate the workability of all binders. Futhermore, foam index (FI) and bubble surface area index (SAI) evaluated to kown which binder has better workability. When using a foaming additive, the properties of the foam have been greatly improved in terms of stability and expansion. Initial results suggest that differences in bitumen origin determine its foamability even though they have the same viscosity grade. The relationship was found and better bitumen was evaluated as bitumen with better stability and foaming index. FI change was found to be 71% of the change in the CI. Similarly, the resulting FI and SAI reach up to 88% in terms of correlation. This relationship need further investigation for the future work.

    ABSTRACT i 摘要.. ii ACKNOWLEDGEMENT iii LIST OF TABLES vi LIST OF FIGURES vii 1. Introduction 1 1.1. Research background 1 1.2. Research objectives 2 1.3. Research scope 2 2. Literature review 4 2.1. Distribution of chemical components on bitumen 4 2.2. Effect of Foaming Bitumen factors 9 2.3. Mixture performance 14 3. Methodology 17 3.1. Methodology scope 17 3.2. Material and Laboratory performance 17 3.2.1. Aggregates physical properties tests 17 3.2.2. Asphalt binder chemical and physical properties tests 18 3.2.3 Foaming test 21 3.3. Mixture 25 3.4.1. Maximum specific gravity and density 25 3.4.2. Indirect tensile strength 26 4. Results and Discussions 29 4.1 Foaming test 29 4.2 Chemical component distribution 38 4.3 Mixture performance 41 4.3.1 Indirect tensile strength (IDT) 41 4.3.2 Binder Distribution Analysis 44 5. Conclusions and Recommendations 46 5.1 Conclusions 46 5.2 Recommendations 47 REFERENCES 48 APPENDIX A: TLC-FID CHROMATOGRAM 51 APPENDIX B: SPSS ANALYSIS 53 APPENDIX C: BINDER DISTRIBUTION 58

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