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研究生： 李晨豪
Lee, Chen-Hao
論文名稱： 再生改質瀝青混凝土之開裂性質
Cracking Properties of Recycled Modified-Asphalt Concrete
指導教授： 陳建旭
Chen, Jian-Shiu
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： 中文
論文頁數： 138
中文關鍵詞： 回收改質瀝青混凝土 、老化瀝青活性 、可用比例 、再生改質瀝青混凝土 、老化 、開裂
外文關鍵詞： Recycled Modified Asphalt Concrete, Activity of Aged Asphalt, Available Ratio, Recycled Modified Asphalt Concrete, Aging, Cracking
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    • 回收改質瀝青混凝土 (RMAP) 之堆置容易限縮可用空間，去化及回收已成共識，本研究首先以級配曲線法與粗粒料法評估回收料老化瀝青活性度，結果說明回收料添加越多，可用比例越高。接著以20%、40%和60%RMAP取代天然粒料，於配合設計中導入可用比例，並以SBS改質瀝青混凝土與傳統瀝青AC-10混凝土為對照組，進行間接張力試驗、開裂試驗、伊州彈性指數試驗、抗張強度比試驗及車轍輪跡等試驗，以評估RMAP添加量對混合料工程性質之影響，再分別經過不同程度之老化，探討可用比例對混合料老化開裂之影響。隨著RMAP添加量上升，再生改質瀝青混凝土 (RMAC) 更加脆硬，抗開裂能力下降，抗永久變形與抗水侵害能力上升，SBS改質瀝青混凝土之抗開裂與抗永久變形能力最佳，RMAC次之，傳統瀝青AC-10混凝土較差；經不同程度老化後，所有混合料抗開裂能力下降，抗永久變形與抗水侵害能力無明顯趨勢。混合料若作為道路鋪面使用，建議使用40%RMAP添加比例，同時加強回收料品質管理，避免鋪面提早破壞。

    The stacking of reclaimed modified asphalt pavement (RMAP) tends to limit the space, and it has become a consensus to decontaminate and recycle. This study firstly used the gradation curve method and the coarse aggregate method to evaluate the activity of the recycled material aged asphalt, and the results showed that the more recycled material you add, the higher the available ratio. Next, 20%, 40%, and 60% RMAP were used to replace natural aggregates, and the available ratio were introduced in the mix design. SBS modified asphalt concrete and traditional asphalt AC-10 concrete were used as the control group to conduct indirect tension test, cracking test, Illinois flexibility index test, tensile strength ratio test and wheel tracking tests are used to evaluate the effect of RMAP addition on the engineering properties of the mixture. After different degrees of aging, the effect of the available ratio on the aging and cracking of the mixture is discussed. With the increase in the amount of RMAP, the recycled modified asphalt concrete (RMAC) becomes more brittle and harder, its anti-cracking ability decreases, and its resistance to permanent deformation and water damage increases. SBS modified asphalt concrete has the best anti-cracking and anti-permanent ability. RMAC is second, and the traditional asphalt AC-10 concrete is inferior; after different degrees of aging, the anti-cracking ability of all the mixtures decreases, and there is no obvious trend in resistance to permanent deformation and resistance to water damage. If the mixture is used as road pavement, it is recommended to use 40% RMAP addition ratio.

    摘要 I 致謝 VI 目錄 VII 圖目錄 X 表目錄 XII 第一章 緒論 1-1 1.1 前言 1-1 1.2 研究動機 1-2 1.3 研究目的 1-2 1.4 研究範圍 1-2 第二章 文獻回顧 2-1 2.1 回收瀝青混凝土 (RAP) 2-1 2.1.1 回收瀝青混凝土的黏結料性質 2-1 2.1.2 回收瀝青混凝土的聚集現象 (Clustering) 2-1 2.1.3 老化瀝青活性度 2-3 2.2 再生改質瀝青混凝土配合設計 (RMAC) 2-5 2.2.1 美國瀝青協會 (Asphalt Institute, AI) 2-5 2.2.2 體積配合設計 (AASHTO) 2-8 2.2.3 部分混拌 2-9 2.2.4 再生瀝青混凝土配合設計之績效 2-12 2.3 瀝青混凝土老化 2-13 2.4 間接張力試驗 (Indirect Tensile Test, IDT) 2-15 2.5 開裂試驗 (Cracking Test, CTindex) 2-16 2.6 伊州彈性指數 (Illinois Flexibility Index Test, I-FIT) 2-21 2.7 水侵害敏感性 (Moisture Damage Susceptibility) 2-24 2.8 平衡配合設計 (Balanced Mix Design) 2-26 第三章 研究計畫 3-1 3.1 研究流程 3-1 3.2 試驗材料 3-3 3.2.1 粒料物理性質 3-3 3.2.2 回收瀝青混凝土物理性質 3-4 3.2.3 填充料物理性質 3-5 3.2.4 傳統瀝青物理性質 3-6 3.2.5 改質劑 (Modifier) 3-7 3.2.6 助溶劑 3-8 3.3 改質瀝青 3-8 3.3.1 改質瀝青拌和流程 3-9 3.3.2 改質瀝青物理性質 3-10 3.4 實驗室老化 3-12 3.5 密級配瀝青混凝土配合設計 3-12 3.6 再生改質瀝青混凝土配合設計 3-13 3.7 老化瀝青活性評估 3-16 3.7.1 級配曲線法 3-16 3.8 瀝青混凝土之工程性質 3-17 3.8.1 間接張力試驗 3-18 3.8.2 伊州彈性指數 3-20 3.8.3 開裂試驗 3-22 3.8.4 車轍輪跡試驗 3-25 3.8.5 抗張強度比試驗 3-28 第四章 結果與討論 4-1 4.1 材料性質 4-1 4.1.1 粒料物理性質 4-1 4.1.2 瀝青物理性質 4-3 4.2 新鮮密級配天然粒料瀝青混凝土 4-5 4.2.1 傳統瀝青混凝土 4-5 4.2.2 改質瀝青混凝土 4-7 4.3 老化瀝青活性評估 4-9 4.3.1 級配曲線法 4-9 4.4 再生改質瀝青混凝土配比設計 4-11 4.4.1 級配曲線 4-13 4.5 RMAP添加量 4-14 4.5.1 間接張力強度 4-17 4.5.2 開裂試驗 4-19 4.5.3 伊州彈性指數(FI) 4-22 4.5.4 車轍輪跡試驗 4-25 4.5.5 抗張強度比試驗 4-28 4.6 老化程度對再生改質瀝青混凝土的影響 4-32 4.6.1 間接張力強度 4-32 4.6.2 開裂試驗 4-34 4.6.3 伊州彈性指數 4-37 4.7 綜合比較 4-39 4.7.1 平衡配合設計(BMD) 4-39 4.7.2 可用比例 4-41 4.7.3 瀝青混凝土比較 4-43 第五章 結論與建議 5-1 5.1 結論 5-1 5.2 建議 5-2 參考文獻 參-1 附錄1混合料二質化圖(用於ImageJ) 附-1 附錄2 TSR 附-3 附錄3問題意見與回覆 附-4

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