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研究生: 馬琛馳
Ma, Sam-Chi
論文名稱: 再生劑添加於回收料之瀝青混凝土工程性質
Engineering Properties of Recycled Asphalt Concrete Mixed with Rejuvenators
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: 2014
畢業學年度: 102
語文別: 中文
論文頁數: 107
中文關鍵詞: 回收瀝青混凝土再生劑過多瀝青現象
外文關鍵詞: Recycled Asphalt Pavement(RAP), Negative Asphalt Content
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  • 回收瀝青混凝土(RAP)具有經濟價值和減少資源浪費之意義,本研究採用拌和場之回收瀝青混凝土作為研究材料,為RAP10 (回收瀝青60℃黏度約為100,000 poise),再生劑為一種RA5和四種RA75分別為RA75H、RA75AH、RA75B和RA75C,並選擇添加PEN60/70(60℃黏度約為2,000 poise)新鮮瀝青之密級配瀝青混凝土作為對照組。以RAP添加含量40%之回收料添加再生劑,將目標黏度設定為2000±400 poise,再將瀝青混凝土回收料添加入PEN60/70基底瀝青與新鮮粒料中拌和,形成再生瀝青混凝土(RAC)。評估添加不同種類的再生劑對RAC之影響,進行穩定值、流度值、間接張力、回彈模數試驗、殘餘強度試驗、車轍輪跡試驗,最後將萃取RAC之瀝青進行黏度試驗,探討黏結料之物理性質。
    在配合設計流程上因再生劑用量視為瀝青含油量之一部分,在RAP添加比例或老化瀝青回收量較高時,使用再生劑會出現過多瀝青現象,可能形成冒油。另外,由再生劑和新鮮瀝青混拌的低黏瀝青黏度是需要注意的,可能會影響低黏瀝青與老化瀝青的相容性。

    Reclaimed Asphalt Pavement (RAP) has economic value and reduce waste of resources. In this study, using recycled asphalt concrete mixing field as a research material, as RAP10 (recycled asphalt viscosity is about 100,000 poise of 60℃), Rejuvenators as a RA5 and four kinds of RA75 were RA75H, RA75AH, RA75B and RA75C, and select add PEN60/70 (60℃ viscosity is about 2,000 poise) fresh asphalt dense graded asphalt concrete as a control group. Add rejuvenators at RAP content 40% recycled material, The target viscosity is set to 2000 ± 400 poise, then add PEN60/70 asphalt and fresh aggregate mixing to recycled asphalt concrete, formed recycled asphalt concrete (RAC). Assessing the impact of different types of rejuvenators added to the RAC, carry on stable value, flow value, indirect tension, resilient modulus test, residual strength test, wheel tracking test. Finally, extraction the bitumen of RAC carry on viscosity test, explore the physical properties of the binder.
    Content of rejuvenators considered as a part of the oil content of the asphalt at the mixture design, when the addition ratio of RAP or aging asphalt recovery amount were high, use of rejuvenators will appear negative asphalt content, may form bleeding. In addition, the low viscosity which mixing rejuvenators and fresh asphalt is important to note, May affect low viscosity asphalt and the aging bitumen compatibility.

    目錄 摘要 i Extended Abstract ii 誌謝 vi 目錄 vii 表目錄 xii 圖目錄 xiii 第一章 緒論 1.1 前言 1-1 1.2 研究動機 1-3 1.3 研究目的 1-3 1.4 研究範圍 1-4 第二章 文獻回顧 2.1 瀝青之化學組成 2-1 2.2 熱拌再生瀝青混凝土 2-2 2.2.1 瀝青混凝土回收 2-2 2.2.2 RAP的黏結料性質 2-2 2.2.3 RAP的粒料性質 2-4 2.3 還原劑 2-5 2.3.1 再生劑 2-6 2.4 再生劑規範 2-7 2.5 老化瀝青的再生機理 2-9 2.5.1 相容性理論 2-9 2.5.2 組分調節理論 2-9 2.5.3 瀝青混凝土回收料的黑石頭行為 2-11 2.6 再生瀝青混凝土配合設計理論與相關研究 2-13 2.6.1 瀝青混凝土回收料添加比例 2-14 2.6.2 瀝青混凝土回收料的變異性 2-15 2.6.3 瀝青混凝土回收料的取樣方式 2-16 2.6.4 瀝青混凝土回收料的粒料體積比重 2-18 2.6.5 添加再生劑於回收瀝青混凝土之成效 2-19 第三章 研究計畫 3.1 研究方法 3-1 3.2 試驗材料 3-3 3.2.1 RAP材料特性 3-3 3.2.2 瀝青膠泥和回收瀝青黏結料特性 3-5 3.2.3 再生劑特性 3-5 3.3 回收瀝青萃取試驗 3-6 3.4 再生瀝青混凝土配合設計流程 3-7 3.4.1 粒料級配與近似瀝青含油量決定(AI MS-2) 3-7 3.4.2 再生劑添加量-ASTM D4887方法 3-9 3.4.3 再生劑添加量-AI MS-2方法 3-13 3.4.4 再生瀝青混凝土容積比重估計 3-16 3.4.5 RAC拌和溫度與程序 3-17 3.5 再生瀝青混凝土工程性質 3-18 3.5.1 穩定值、流度值試驗 3-18 3.5.2 回彈模數試驗 3-19 3.5.3 間接張力試驗 3-21 3.5.4 殘餘強度試驗 3-23 3.5.5 車轍輪跡試驗 3-24 第四章 試驗結果與討論 4.1 材料性質 4-1 4.1.1 粒料基本物性 4-1 4.1.2 再生劑基本性質 4-3 4.2 再生劑添加含量之決定 4-4 4.3 再生瀝青混凝土(RAC)配合設計流程 4-8 4.3.1 決定RAP粒料比重 4-8 4.3.2 RAC粒料級配 4-8 4.3.3 決定RAC配合設計瀝青含量 4-9 4.3.4 決定最佳瀝青含油量 4-11 4.4 RAC性質探討 4-12 4.4.1 過多瀝青探討 4-12 4.4.2 老化瀝青黏度與目標黏度的關係 4-17 4.5 RAC工程性質結果 4-23 4.5.1 馬歇爾穩定值 4-23 4.5.2 馬歇爾流度值 4-25 4.5.3 間接張力(ITS) 4-26 4.5.4 回彈模數值(MR) 4-28 4.5.5 殘餘強度比值(TSR) 4-29 4.5.6 車轍輪跡試驗 4-31 4.6 萃取RAC黏結料之物理性質 4-33 4.6.1 短期老化後黏度 4-33 4.6.2 短期老化後針入度 4-34 第五章 結論與建議 5.1 結論 5-1 5.2 建議 5-2 參考文獻 參-1   表目錄 表2.4.1 台灣國家標準和ASTM D4552 再生劑規範 2-7 表2.4.2 AASHTO R14-88(2003)再生劑規範 2-8 表2.4.3 日本再生劑規範 2-8 表3.2.1 回收料篩分析結果 3-4 表3.2.2 再生劑之試驗值 3-5 表3.4.1 AI MS-2參數計算法 3-9 表4.1.1 再生劑之試驗值 4-3 表4.3.1 40%RAP10初試級配表 4-10 表4.5.1 不同再生劑對RAC10車轍之試驗值 4-31 圖目錄 圖2.5.1 老化瀝青各化學組分的調節示意圖 2-10 圖2.5.2 回收瀝青與新鮮瀝青關係示意圖 2-11 圖2.6.1 RAP混合料組成圖 2-14 圖2.6.2 VMA誤差圖 2-18 圖3.1.1 研究流程圖 3-2 圖3.2.1 回收料篩分析結果 3-4 圖3.4.1 再生瀝青混凝土拌和過程 3-8 圖3.4.2 回收瀝青黏結料與再生劑黏度關係圖 3-10 圖3.4.3 瀝青黏度關係圖【AI MS-2】 3-13 圖4.1.1 回收料篩分析結果 4-2 圖4.2.1 再生瀝青混凝土黏結料比例分佈圖 4-6 圖4.2.2 馬歇爾試體材料示意圖 4-7 圖4.3.1 40%之RAP10級配曲線圖 4-9 圖4.3.2 決定40%RAP10最佳瀝青含量 4-11 圖4.4.1 回收瀝青與還原劑添加比例關係圖 4-12 圖4.4.2 可添加新鮮瀝青空間影響圖 4-16 圖4.4.3 可添加最大再生劑量與普通情況的瀝青成份比較圖 4-17 圖4.4.4 RAP回收瀝青%與最大容許的再生劑添加比例關係圖 4-18 圖4.4.5 目標黏度與RAP最大老化瀝青黏度關係圖 4-19 圖4.4.6 ATSM D4887與AI MS-2之瀝青關係圖 4-21 圖4.5.1 再生劑對RAC10穩定值之影響 4-23 圖4.5.2 再生劑對RAC10流度值之影響 4-25 圖4.5.3 再生劑對RAC10間接張力之影響 4-26 圖4.5.4 再生劑對RAC10回彈模數之影響 4-28 圖4.5.5 再生劑對RAC10殘餘強度之影響 4-29 圖4.5.6 再生劑對RAC10車轍之影響 4-32 圖4.6.1 萃取RAC黏結料之黏度 4-33 圖4.6.2 萃取RAC黏結料之針入度 4-34

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