کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6719856 503556 2015 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Cluster phenomenon and partial differential aging in RAP mixtures
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Cluster phenomenon and partial differential aging in RAP mixtures
چکیده انگلیسی
The present study defines a procedure for gaining a better understanding of the interaction between the aged and the virgin binders and what actually occurs during a mix process. Indeed, the authors propose a methodology to determine and quantify the cluster phenomenon in mixtures containing RAP, defining how the aged binder interacts in the mix. Rheology, in particular the complex modulus, becomes the tool thanks to which it is possible to support the hypothesis of the composition of clusters of RAP particles surrounded by the virgin binder during the new mix production, considering different percentages of RAP. Moreover, the authors aim to establish the basis for the hypothesis of the existence of a partial differential aging: the RAP binder on the external surface (i.e. the crust around the aggregate) is more exposed to external factors and oxidation and is over-aged with respect to the binder under the crust that is more protected and less oxidated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 99, 30 November 2015, Pages 288-297
نویسندگان
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