| 研究生: |
鄭雅文 Cheng, Ya-Wen |
|---|---|
| 論文名稱: |
轉爐石瀝青混凝土鋪設於高速公路及市區道路之成效評估 Performance Evaluation of Asphalt Concrete Mixed with Basic Oxygen Furnace Slag Applied to Freeways and Urban Roads |
| 指導教授: |
陳建旭
Chen, Chien-Hsu |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系碩士在職專班 Department of Civil Engineering (on the job class) |
| 論文出版年: | 2015 |
| 畢業學年度: | 103 |
| 語文別: | 中文 |
| 論文頁數: | 144 |
| 中文關鍵詞: | 轉爐石(BOF) 、現地鋪面績效 、單軸載重當量數(ESAL) |
| 外文關鍵詞: | Basic Oxygen Furnace slag(BOF), pavement quality on the spot, Equivalent Single Axle Load(ESAL) |
| 相關次數: | 點閱:81 下載:0 |
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轉爐石(BOF)應用在高速公路及市區道路,因長期績效數據缺乏,使得BOF應用在鋪面工程受到限制。本研究藉由現地鋪面績效檢測、實驗室力學分析與交通量評估,探討BOF鋪面的功能性,包含透水量、噪音量;安全性包含抗滑度;耐久性包含平坦度、車轍量、Clegg衝擊值及鋪面密度等試驗;力學分析包含單位重、空隙率、回彈模數、間接張力及瀝青黏度等試驗,交通量評估則以單軸載重當量數表示。本研究試驗結果顯示BOF與天然粒料鋪面對功能性並沒有明顯之差異,BOF在下坡路段末端,地勢低下易招塵,孔隙易堵塞,透水量相對較低,噪音值變化受地理環境、車輛性能速度和交通流量影響較大,安全性抗滑值(BPN)並不因粒料不同而有太大差異,雖BPN已考量溫度修正,夏天溫度高,BPN有下降現象,而冬天溫度低,BPN有上升的趨勢,耐久性、平坦度(IRI)並不因鋪面粒料種類不同而有所影響,與施工品質有關;車轍量與鋪面粒料種類影響不大,且隨ESAL值增加有上升趨勢,整體而言開放交通約三年時間,車轍量均小於12.5mm屬輕微車轍;BOF在各試驗路段開放交通約三年時間,衝擊值(CIV)尚能維持在70以上,顯示BOF瀝青混凝土鋪面充分表現抗衝擊能力。現地檢測過程BOF路段鋪面存有些許粒料崩解跳料情形,但並不影響鋪面之功能性、安全性及耐久性。本研究觀測約三年期間,BOF試驗路段各項績效均與天然粒料路段之績效相似,BOF應用在高速公路及市區道路具有可行性,唯目前仍屬初期鋪面檢測,須長期觀察後續變化情形,以周延績效評估。
The study use pavement quality on the spit, laboratory mechanical analysis, and traffic volume analysis to investigate the functionality of Basic Oxygen Furnace slag (BOF) pavement, including permeable capacity, noise, safety (British pendulum number), and durability (flatness, rutting, Clegg impact value, and pavement density). Unit weight, porosity, resilient modulus, indirect tension, and asphalt viscosity were used for laboratory mechanical analysis. Traffic volume was evaluated by equivalent single axle load (ESAL ).After about three years of observation, BOF test spot and natural aggregates road yield similar performance. Our results suggest the potential of BOF to be used as pavement of freeways or urban roads. Nonetheless, it is only early investigation, and further research and long-term observation are needed for promising results.
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校內:2025-01-01公開