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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/78084

    Title: 含轉爐石刨除料之再生瀝青混凝土體積性質與抗水分侵害之成效評估;The Preliminary Study of the Volumetric Property and Moisture Sensitive of Recycled Asphalt Concrete with Rap Contains Bof Slag
    Authors: 陳世晃
    Contributors: 國立中央大學土木工程學系
    Keywords: 含轉爐石之刨除料;VMA;水分敏感性;RAP contain BOF slag;VMA;Moisture Sensitivity
    Date: 2018-12-19
    Issue Date: 2018-12-20 10:55:39 (UTC+8)
    Publisher: 科技部
    Abstract: 未來幾年之後鋪設轉爐石瀝青混凝土之鋪面勢必會再需要重新刨除與維護,而刨除所產生之含有轉爐石刨除料的品質如何控管,及如何達到循環經濟再生再利用的使用,若未來這些含有再生料之刨除料無法再被循環使用或是無其他去化途徑,將失去原本將工業副產品應用於道路工程循環再利用之美意; 本研究擬透過含轉爐石刨除料,第一年於實驗室配合設計中透過體積性質的結果分析對於粒料間孔隙率(Voids in the Mineral Aggregate, VMA)之影響,透過至少三種不同級配曲線之設計結果,分別以馬歇爾夯打法及Superpave SGC法製作試體,探討體積分析結果對應不同方法製作試體之成效性質,藉此建立適合含轉爐石刨除料之再生瀝青混凝土試體製作及VMA計算方法。依據成效試驗及油膜厚度計算之結果,探討目前規範VMA之適用性並提出國內對於含轉爐石瀝青混凝土配合設計之修正方法; 第二年評估轉爐石循環再利用使用於瀝青混凝土,抗水分侵害之敏感程度分析,透過煮沸試驗、殘餘間接張力比試驗及漢堡輪跡試驗、評估顯著影響抗水分侵害表現之因子(油膜厚度、級配、孔隙率等),並SGC旋轉次數與累積交通量關係式,以交通量ESAL與輪跡試驗結果比對,評估耐用性與鋪面產生破壞之殘餘壽年,最後透過從試驗室配合設計、耐久性及成效試驗評估,進而對於含轉爐石刨除料的使用、生產、管制等,提出建議之管理程序。 ;The Taiwan government enforce the pavement surface layer should adopt BOF slag to replace the coarse aggregate in asphalt concrete for reduce the waste. It is expected the asphalt concrete pavement should face the maintenance and rehabilitation after couple years, the RAP would contain some BOF slag, and how to control the quality of recycled asphalt concrete would be an important issue for pavement engineering. If the rap contains some BOF slag couldn't be used in into recycled asphalt concrete or the other application, the BOF slag recycle policy of Taiwan government would be totally lose the original meanings. The objective of this study is evaluate the volumetric property and moisture sensitivity of asphalt concrete with rap contain BOF slag. In the first year of this project, the Marshall and Superpave mixture would be used to design the asphalt mixture with rap contain BOF slag, the volumetric included Void Mineral Aggregate and film thickness would be discussed and the impact of using rap contain BOF slag to Taiwan current asphalt mixture design would also be further study. The lab. performance would be conducted after mixture design. Based on lab. mixture design, volumetric and performance test, the recommendation mixture design and quality control process of asphalt mixture with rap contain BOF slag would be made by this study. The second year of this study is focused on the moisture sensitivity and anti-rutting capacity of asphalt mixture with rap contain BOF slag, the main evaluate the relationship between moisture sensitivity and asphalt mixture parameter included film thickness, air voids and gradation. In addition, the remain service life of asphalt concrete with rap contain BOF slag would be predicted via the relationship between SGC gyration No., ESALs, and Rutting. Based the two years results, the recommendation procedure of mixture design, quality control for asphalt concrete with rap contains BOF slag would be purposed by this study.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[土木工程學系 ] 研究計畫

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