کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4913637 1428775 2017 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Establishment and experimental verification of stability evaluation model for SBS modified asphalt: Based on quantitative analysis of microstructure
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Establishment and experimental verification of stability evaluation model for SBS modified asphalt: Based on quantitative analysis of microstructure
چکیده انگلیسی
This paper establishes a new model to evaluate the stability of SBS modified asphalt based on quantitative analysis of microstructure. The model considers both the vertical separation level and horizontal separation level, making it a more comprehensive one. The comprehensive evaluation index ϕT,t in the model can better describe the influence of temperature and time on stability of SBS modified asphalt. At the temperature of 30 °C, 60 °C, and 120 °C, ϕT,t shows a relationship with time which agrees with the logistic curve. The regular macro stability test was also carried out to verify the accuracy of the model. The curves of Softening Point Difference vs. time derived by the proposed model show a satisfactory agreement with the experiment-based curves, which proves the accuracy of the new model and the relationship between micro and macro stability index as well.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 131, 30 January 2017, Pages 291-302
نویسندگان
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