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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/84502


    Title: 應用剪切強度試驗儀評估台灣鋪面黏層品質對鋪面成效之影響;Evaluate the Performance of the Tack Coat Quality on Taiwan’S Asphalt Pavement Layers Using Interlayer Shear Strength Tester
    Authors: 陳世晃
    Contributors: 土木工程學系
    Keywords: 層間剪切強度;黏層;漢堡輪跡試驗;Interlayer Shear Strength;Tack Coat;Hamburg wheel-track test
    Date: 2020-12-08
    Issue Date: 2020-12-09 09:28:43 (UTC+8)
    Publisher: 科技部
    Abstract: 隨著經濟發展快速,道路成為人民生活圈之重要樞紐,其道路之耐久性與安全性成為重要課題。黏層為道路工程不可或缺之施工步驟,作為增強鋪面層與層之間的黏結,當面層承受交通荷重時鋪面層間具有良好黏結效果,可以有效地將荷重向下傳遞到整個鋪面結構。若黏層無法提供層間足夠的黏結,將容易因剪切強度不足而造成鋪面層間的分離或滑動破壞。本研究主要將於實驗室內應用剪切強度試驗儀評估台灣鋪面黏層品質對鋪面成效之影響,研究範圍包含層間黏結強度的因素探討、實驗室剪切強度試驗效果評估、黏層養護時間的影響、不同介面的層間剪切強度評估及應用漢堡輪跡試驗儀評估分層黏結強度之影響。本研究第一年將使用旋轉壓實機於實驗室進行試體製作,並著重於黏層之養護時間不足的狀況,模擬台灣黏層施工狀況下,應用改質乳化瀝青與目前一般常用的油溶與乳化瀝青進行比較,評估噴灑量、破乳與凝固時間、試驗溫度的影響。第二年主要研究評估,實驗室預期透過不同鋪面材料(DGAC、OGFC、SMA)、表面型式(平整面、刨除面)並應用漢堡輪跡試驗,作為層與層間黏結強度與鋪面成效的關係的探討,評估良好的黏結作用,對於鋪面結構荷重受力之傳遞及抵抗水平剪切力,能否達到提升鋪面耐久性。 ;Roads have become an important hub of the people's living circles, as the rapid economic development, and the pavement durability and safety have become important topics. The tack coat is an indispensable step for pavement construction, it can enhance the bond between two asphalt concrete pavement layers. A good bond between pavement layers is necessary for traffic loads applied to the pavement surface to be transmitted down through the whole pavement structure. If it can’t offer adequate bonds between layers, the delamination of the pavement layers and sliding failures could cause by insufficient shear strength. The objective of this study is to evaluate the performance of the tack coat quality on Taiwan’s asphalt pavement using Interlayer Shear Strength tester in laboratory, during this study scope including factors of interface bond strength, effects of interface bond strength in laboratory, the breaking and setting times, pavement surface type and texture, and evaluate the effect of interface bond strength. The first year of this study will prepared specimens by gyratory compactor in laboratory, the main subject is to investigate the effects of insufficient curing times, and compared modified emulsified asphalt with the general tack coat materials cutback and emulsified asphalts in Taiwan, and evaluate the application rate, breaking and setting time, and test temperature to simulate the tack coat construction conditions. In the next year, focus on different surface mixtures(DGAC, OGFC, and SMA), surface texture(new pavement surface, milled asphalt concrete surface), and application Hamburg Wheel-Track Testing to evaluate the performance of bond strength between pavement layers, simulate traffic loads applied to the pavement structure and resistance to horizontal shear strength.
    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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