臺灣博碩士論文加值系統

了解瀝青混凝土的抗開裂機理對於解決瀝青路面損壞至關重要。本研究透過不同試驗方法如Superpave IDT、Indirect tensile asphalt cracking test (IDEAL-CT)和Semi-Circular Bend Test (SCB)，來探討標稱最大粒徑、再生料含量與再生料老化程度對於瀝青混合料的抗開裂性能的影響。研究結果指出，在IDEAL-CT試驗中，RAP 2 40%-25mm擁有最高之抗裂指數。標稱最大粒徑25mm的瀝青混合料表現出比標稱最大粒徑19mm更佳的抗開裂能力。在SCB試驗中，發現密級配瀝青混凝土的Jc值與膠泥等級和標稱最大粒徑之間並沒有明顯的關聯性。其中RAP 2 40%-25mm擁有最大之Jc值。Superpave IDT試驗結果顯示瀝青混合料的DCSEf值隨著膠泥等級的提高而增加，其中以RAP 2 40%-25mm之DCSEf最高，同時也隨著標稱粒徑的增加而增加。另外，添加適量的再生瀝青(RAP)可以提高瀝青混合料的抗開裂能力。綜合分析結果，Superpave IDT和IDEAL-CT試驗之間呈現較高的相關性，而相對SCB試驗的相關性較低。因此，這些研究結果有助於更深入了解瀝青混凝土的開裂行為並提供相應的改善措施。

Understanding the mechanisms of asphalt concrete's resistance to cracking is crucial for addressing asphalt pavement damage. This study utilized different test methods, such as Superpave IDT, Indirect Tensile Asphalt Cracking Test (IDEAL-CT), and Semi-Circular Bend Test (SCB), to investigate the influence of nominal maximum particle size, percentage of reclaimed asphalt pavement (RAP), and the aged condition of RAP on the cracking resistance of asphalt mixtures. The results indicated that in the IDEAL-CT test, asphalt mixtures with a nominal maximum particle size of 25mm exhibited better resistance to cracking than those with a nominal maximum particle size of 19mm. In the SCB test, there was no significant correlation observed between Jc values of gap-graded asphalt concrete and asphalt cement grade or nominal maximum particle size. The Superpave IDT test results showed that the DCSEf value of asphalt mixtures increased with higher asphalt cement grades and larger nominal particle sizes. Additionally, the addition of an appropriate amount of reclaimed asphalt pavement (RAP) enhanced the cracking resistance of the asphalt mixtures. Overall, the analysis of the results demonstrated a higher correlation between Superpave IDT and IDEAL-CT tests, while the correlation with the SCB test was lower. These research findings contribute to a better understanding of the cracking behavior of asphalt concrete and provide improvement measures.

摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vi
表目錄 viii
第一章 緒論 1
1.1 前言 1
1.2 研究動機 1
1.3 研究目的 2
1.4 研究範圍 2
第二章 文獻回顧 3
2.1 瀝青混凝土裂縫生成與疲勞性質 3
2.2 再生瀝青路面刨除料（RAP） 5
2.3 疲勞及開裂驗方法與相關研究 6
2.4 再生瀝青混凝土配合設計流程 20
2.5 小結 22
第三章 研究方法 23
3.1 試驗範圍與流程 23
3.2 試驗材料 26
3.2.1粒料與級配 26
3.2.2瀝青膠泥 27
3.2.3填充料 28
3.3 再生密級配瀝青混凝土配比設計 29
3.3.1再生密級配瀝青混凝土(RAP 1) 29
3.3.2再生密級配瀝青混凝土(RAP 2) 32
3.4 密級配瀝青混凝土配合設計 35
3.5 瀝青混凝土抗開裂試驗 36
3.5.1間接張力開裂試驗(IDEAL-CT) 36
3.5.2半圓彎曲試驗 (Semi Circular Bending, SCB) 38
3.5.3間接張力試驗 (Superpave IDT) 39
3.6 試體製備 40
第四章 結果與討論 42
4.1 天然粒料篩分析 42
4.2 馬歇爾配合設計結果 48
4.3 混合料體積特性 49
4.4 Superpave IDT試驗 50
4.5 IDEAL CT試驗 58
4.6 SCB試驗 60
4.7 試驗相關性分析 75
第五章 結果與討論 77
5.1 結論 77
5.2 建議 77
參考文獻 78

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