泡沫沥青厂拌冷再生技术在高速公路中的应用

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Journal of Wuhan University of Technology ›› 2006, Vol. 28 ›› Issue (9) : 52-55.
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Application of Cold In-plant Recycling with Foamed Asphalt in ExpresswayXU Jin-zhi~1,CUI Wen-she~2,HAO Pei-wen~1,ZHAO Yong-bo~2(1.Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang'an University,Xi'an 710064,China;2.Shanxi Expressway Mechanized Engineering Corporation,Xi'an 710075,China)Using the waste asphalt mixes milled from Xi-Bao expressway,this paper studied cold in-plant recycling with foamed asphalt as stabilizing agent.After a mix design in laboratory,the foaming characteristics of asphalt,water content added in mixing process and optimum asphalt contents of different gradations were determined.By comparison,the gradation adopted in test section was presented and its mechanical properties were also evaluated.Combing the test section,the paper introduced the construction technology of cold in-plant recycling and evaluated the recycling results of the test section.highway engineering;foamed asphalt;cold in-plant recycling;mix design;construction technology

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