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Emulsified asphalt cold recycling Fatigue Properties of Mixtures

Author: QiDaHe
Tutor: FanTongJiang
School: Chongqing Jiaotong University
Course: Road and Railway Engineering
Keywords: Cold Recycled Asphalt Pavement Mix Design Porosity Fatigue Life
CLC: U414
Type: Master's thesis
Year: 2010
Downloads: 188
Quote: 0
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Abstract


Asphalt pavement cold recycling process is the late 1980s in the cold milling process developed rapidly on the basis of a new technology , has become the international road maintenance and reconstruction methods. In this paper, recyclable waste asphalt asphalt mixture were recovered and measured by sieving to determine the gradation of old material . Meanwhile , the test used in the emulsified asphalt , cement, and aggregates the performance of evaluation. Orthogonal design method mix design to splitting strength , Marshall stability , flow value , compressive strength and porosity as the evaluation index , determine the amount of cement mix , asphalt content , and the total dosage old material water , get a set of optimum mixing ratio of solution . Integration of economic and social benefits to consider , get on better with than another group plan . The use of comparative tests , and ultimately determine the latter as the optimal mixture ratio . According to the best mix to the theoretical maximum density pre-controlled porosity , get a different porosity specimens were tested to strain controlled fatigue testing asphalt research-based , four-point bending fatigue test method proposed asphalt at different levels of confidence and reliability of the fatigue performance prediction model .

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CLC: > Transportation > Road transport > Road works > Road construction materials
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