由於不同老化程度之現地瀝青混凝土取得不易，常以實驗室模擬老化瀝青製成瀝青混凝土代替。然而實驗室製作試體的方式與現地鋪築滾壓狀況不完全相同，加上現地老化因子複雜，使實驗室模擬老化的難度提高。
本研究選用兩種模擬老化的方式，一種為直接加熱瀝青模擬老化，另一種為混凝土模擬老化，建立出兩者的老化速率模式，分別製作試體與現地老化之瀝青混凝土所製作的試體，進行間接張力、浸水剝脫、穩定性、磨耗及穩定性試驗以比較三者之差異。試驗過程中發現AC-20等級瀝青在瀝青模擬老化，其瀝青老化模式呈指數型態，在混凝土模擬老化中瀝青老化模式呈線性型態。
整體而言，現地老化瀝青混凝土在成效試驗表現結果與兩種實驗室模擬老化的瀝青混凝土沒有完全相似。無法明確證明經瀝青混凝土模擬老化會比瀝青老化所製成的瀝青混凝土更近似現地老化的瀝青混凝土。兩種實驗室老化方式所製成瀝青混凝土，在結構上相似(密度、孔隙率、VMA)，但在磨耗試驗、流度值試驗上，經瀝青老化的混凝土表現出比經過試體老化的混凝土有較佳的抵抗外力損壞能力，而與現地瀝青混凝土的表現差距較大。

It’s not easy to obtain different aging level of asphalt concrete in the field. Laboratory aging of asphalt concrete is usually used to simulate the field condition However, laboratory simulation is totally different from the field. In addition, the aging condition in the field is varied, would raising difficulties in the laboratory simulation.
In this study, two methods of aging simulation were used. One was direct heating asphalt simulation, another was asphalt concrete simulation. Asphalt concreted samples were made to developed the aging speed model. The differences for three mixtures were compared by the indirect tension strength test, Cantabro abrasion test and stability test. According to the result of tests, the aging model of AC-20 had exponent relationship and the aging model of concrete had linear relationship.
General speaking, the results were not same or the field and laboratory simulation. There was no explicit evident that the asphalt concrete of laboratory aging simulation was better. Two kind of asphalt concrete aging simulation were similar in structure (density, void, VMA). In the Cantabro abrasion test and the flow test, the aging asphalt process showed more superior integrity than the aging concrete process.

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