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International Journal of Transportation Engineering، جلد ۱۲، شماره ۳، صفحات ۱۸۵۹-۱۸۶۹
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عنوان انگلیسی The Role of Cement and Fibers with Fatty-Arbocel for Improving Cold Emulsion Asphalt's Resistance against Fatigue and Rutting
چکیده انگلیسی مقاله Mounting environmental challenges and diminishing mineral and energy resources have led researchers to concentrate more on improving cold asphalt technologies. Despite its advantages, the cold asphalt mixtures’ poor performance against permanent deformations and fatigue is the main reason they are not preferred in road construction projects in contrast to the typical hot asphalt mixtures. The effects of adding fibers with fatty-arbocel to a cold asphalt mixture were evaluated to overcome this weakness. Marshall Tests, static creep tests, and wheel track tests were applied to evaluate rutting and fatigue. The results showed that including cement and fibers with fatty-arbocel in a cold emulsion asphalt increases the mixture’s stiffness, improves the load-bearing strength and modulus of elasticity, and enhances the load transfer. The results showed the best performance in samples containing 3% cement and 0.3% above fib ers. The results of physical and functional tests showed that combining cement and fatty fibers with arboreal can significantly reduce maintenance costs.
کلیدواژه‌های انگلیسی مقاله Resilience Modulus,static creep,Dynamic Creep,Rutting,fatigue
نویسندگان مقاله Alireza Motamadnia |
PhD Candidate, Tarrahan Parseh Transportation Research Institute, Tehran, Iran

Hamid Shirmohammadi |
Associate Professor, Department of Civil Engineering, Faculty of Engineering, University of Urmia, Urmia, Iran

Morteza Asadamraji |
Assistant Professor, Faculty of Civil Water and Environmental Engineering, University of Shahid Beheshti, Tehran, Iran

نشانی اینترنتی http://www.ijte.ir/article_200383_eead7d6a6d9bd208ca1309f819a228f9.pdf
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