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    题名: 以生命週期評估滾筒碴與轉爐石應用於瀝青混凝土之研究;Life Cycle Assessment of BSSF and BOF Slag DGAC Pavement
    作者: 朴莉媮;Pramesthi,Tyas Wahyu
    贡献者: 土木工程學系
    关键词: 密級配瀝青混凝土鋪面;鋼碴;Gabi6;全球暖化潛勢;成本
    日期: 2015-07-03
    上传时间: 2015-09-23 09:57:00 (UTC+8)
    出版者: 國立中央大學
    摘要: 本研究聚焦於瞭解使用天然粒料與採用鋼碴取代粗粒料之兩種密級配瀝青混凝土,其對於全球暖化潛勢(Global Warming Potential, GWP)之影響。使用的鋼碴材料分別為轉爐石(Basic Oxygen Furnace, BOF)及滾筒碴(Baosteel’s Slag Short Flow, BSSF),並藉由Gabi 6 生命週期計算軟體之使用,深入瞭解鋪面活動產生之全球暖化潛勢,發現使用轉爐石或滾筒碴取代粗粒料會使全球暖化潛勢上昇。依據模擬運算結果顯示,全球暖化潛勢會隨粒料使用量多寡而增加,使用10%、20%、30%及100%之鋼碴取代粗粒料於面層內相較於傳統密級配瀝青混凝土會使全球暖化潛勢增加4.78%至7.13%之間,然而以鋪築成本考量,使用鋼碴會帶來巨大效益。
    研究結果顯示使用轉爐石或滾筒碴比傳統密級配瀝青混凝土能省下多達3.66%(10%鋼碴之密級配瀝青混凝土)至36.47%(100%鋼碴之密級配瀝青混凝土)之總成本,依據全球暖化潛勢模擬及成本分析後,採用鋼碴(轉爐石或滾筒碴)取代天然粗粒料於密級配瀝青混凝土中是可行的且值得未來更多深入探討。
    ;This research is focused on how Global Warming Potential (GWP) was influenced by natural aggregates and replacement of coarse natural aggregate with steel slag on Dense Grade Asphalt Concrete (DGAC). Two types of steel slag, Basic Oxygen Furnace (BOF) and Baosteel’s Slag Short Flow (BSSF) slag were used to replace coarse natural aggregates. By using GaBi 6 Education software, this research discovered GWP which caused by pavement’s activities. Replacement of coarse aggregate with steel slag including BOF or BSSF slag will increase GWP. According to the simulation result, the GWP will increase varies depending on the amount of aggregate used. By using 10%, 20%, 30% and 100% steel slag which replace coarse aggregate in surface layer, GWP was increase between 4.78% until 7.13% compared to the traditional DGAC. However, based on construction cost point of view, using steel slag give significant benefit. The results show that by using BOF or BSSF slag save 3.66% (DGAC 10% steel slag) until 36.47% (DGAC 100% steel slag) of total cost compare to traditional DGAC. Based on the results of GWP simulation and cost analysis, replacement of coarse natural aggregate with steel slag (BOF or BSSF) in DGAC is acceptable and worthy of further research.
    显示于类别:[土木工程研究所] 博碩士論文

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