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研究生： 陳禹廷
Chen, Yu-Ting
論文名稱： 改質和再生瀝青混凝土之工程性質
Engineering Properties of Modified and Recycled Asphalt Concrete
指導教授： 陳建旭
Chen, Jian-Shiuh
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： 2018
畢業學年度： 106
語文別： 中文
論文頁數： 111
中文關鍵詞： 改質瀝青混凝土 、再生瀝青混凝土 、半圓彎曲試驗 、臨界應變能 、臨界應變能釋放速率
外文關鍵詞： SBS modified asphalt concrete, recycled asphalt concrete, semi-circular bending test, strain energy to failure, critical strain energy release rate
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    • 疲勞裂縫是台灣瀝青路面破壞主要型態之一，本研究進行瀝青混凝土之工程性質試驗，探討瀝青混凝土裂縫行為，配比設計採用最大標稱粒徑19mm密級配規範，控制瀝青用量與級配曲線。抗水侵害能力結果顯示改質AR-8000M和改質Ⅲ型瀝青有相對較佳之抗張強度比，說明適當的改質瀝青對抗水侵害能力有幫助；相對地，隨著再生瀝青混凝土之回收料(RAP)添加比例之提升，間接張力值有下降趨勢，影響抗水侵害能力。依據半圓彎曲試驗結果，隨著瀝青勁度提高，臨界應變能會有上升趨勢，改質瀝青混凝土較傳統瀝青混凝土有較佳之抗開裂能力，半圓彎曲試驗呈現高分子材料於瀝青混凝土之貢獻；再生瀝青混凝土之臨界應變能和臨界應變能釋放速率結果，顯示添加至40%RAP之再生瀝青混凝土，較純瀝青混凝土有更高之裂紋擴展阻力，但隨著RAP添加量的上升，其抗開裂能力會隨之下降。

    Fatigue cracking is one of the broken types of asphalt pavement in Taiwan. In this study, the engineering properties of asphalt concrete were tested to investigate the cracking behavior of asphalt concrete. The gradation of 19mm maximum aggregate size was adopted to control asphalt dosage and gradation curve. The results of water resistance showed that the AR-8000M and the SBS modified asphalt whose softening point was over 70°C, had good tensile strength ratio, indicating that appropriate modified effect was helpful for water resistance; besides, with the increase of the appending proportion for the reclaimed asphalt pavement (RAP), there was a downward trend in the result of indirect tension, affecting the ability of water resistance. According to the semi-circular bending test results, as the stiffness of asphalt increases, the strain energy to failure will increase. The modified asphalt concrete has better cracking resistance than the traditional asphalt concrete. The result of semi-circular bending test shows the contribution of polymer addition to asphalt concrete; in addition, The results of strain energy to failure and critical strain energy release rate of recycled asphalt concrete (RAC) show that 40% RAP of recycled asphalt concrete has better cracking resistance than traditional asphalt concrete. But with the RAP addition increasing, the cracking resistance of the recycled asphalt concrete will diminish.

    摘要 I 英文摘要 II 誌謝 VI 目錄 VIII 表目錄 XIII 圖目錄 XIV 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 1-3 第二章 文獻回顧 2-1 2.1 改質瀝青 2-1 2.2.1 改質瀝青的生產 2-1 2.2 瀝青混凝土 2-2 2.2.1 穩定值和流度值(Stability & Flow) 2-3 2.2.2 回彈模數試驗 (Resilient Modulus test) 2-4 2.2.3 間接張力試驗 (Indirect Tensile test) 2-5 2.2.4 抗張強度比(Tensile Strength Ratio, TSR)試驗 2-6 2.2.5 車轍試驗(Rutting Test) 2-8 2.2.6 半圓彎曲試驗（Semi-Circular Bending test） 2-10 2.3 再生瀝青混凝土 2-15 2.3.1 抗張強度比(Tensile Strength Ratio, TSR)試驗 2-16 2.3.2 半圓彎曲試驗（Semi-Circular Bending test） 2-17 第三章 研究計畫 3-1 3.1 研究方法 3-1 3.2 In addition試驗材料 3-3 3.2.1 密級配瀝青混凝土材料 3-3 3.2.2 再生瀝青混凝土材料 3-3 3.3 瀝青材料 3-3 3.3.1 改質瀝青拌和程序 3-4 3.3.2 實驗室改質瀝青機械攪拌程序： 3-7 3.3.3 工廠改質瀝青拌和程序： 3-7 3.4 密級配瀝青混凝土 3-9 3.4.1. 密級配瀝青混凝土工程性質 3-9 3.4.2. 穩定值、流度值試驗 3-9 3.4.3. 回彈模數試驗 3-10 3.4.4. 間接張力試驗 3-11 3.4.5. 抗張強度比試驗 3-13 3.4.6. 車轍試驗 3-14 3.4.7. 半圓彎曲試驗 3-17 3.5 再生瀝青混凝土 3-23 3.5.1 回收瀝青萃取試驗 3-23 第四章 結果與討論 4-1 4.1 試驗材料基本特性 4-1 4.1.1 粒料物性 4-1 4.1.2 瀝青物性 4-2 4.1.3 配比設計曲線 4-4 4.2 瀝青混凝土工程性質 4-5 4.2.1 馬歇爾穩定值 4-5 4.2.2 馬歇爾流度值 4-8 4.2.3 回彈模數 4-11 4.2.4 間接張力 4-13 4.2.5 抗張強度比(TSR) 4-16 4.2.6 動穩定值 4-18 4.3 半圓彎曲試驗 4-22 4.3.1 臨界應變能(strain energy to failure, U) 4-22 4.3.2 臨界應變能釋放速率(Critical Strain Energy Release Rate, Jc) 4-24 4.4 再生瀝青基本特性 4-28 4.4.1 粒料篩分析 4-28 4.4.2 再生瀝青物性 4-29 4.5 再生瀝青混凝土工程性質 4-32 4.5.1 馬歇爾穩定值 4-33 4.5.2 馬歇爾流度值 4-33 4.5.3 抗張強度比 4-34 4.5.4 半圓彎曲試驗 4-35 4.6 改質和再生瀝青混凝土抗開裂性能之探討 4-39 4.6.1. 臨界應變能 4-39 4.6.2. 臨界應變能釋放速率 4-40 第五章 結論與建議 5-1 5.1 結論 5-1 改質瀝青混凝土 5-1 再生瀝青混凝土 5-2 5.2 建議 5-2 參考文獻 參-1 附錄 附-1 附錄A-1車轍輪跡試驗車轍值結果 附-1

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