کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8906432 | 1634411 | 2018 | 34 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Freeze-thaw effects on fatigue LIFE of hot mix asphalt and creep stiffness of asphalt binder
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم زمین و سیاره ای (عمومی)
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چکیده انگلیسی
Freeze-Thaw (FT) tests are generally done on unbound materials. Very few studies are conducted on the FT effects on asphalt materials. This study investigated the effects of FT on asphalt concrete (AC) and binder samples in the laboratory. AC tested by beam fatigue test and indirect tensile strength test, whereas binder tested using bending beam rheometer. All the samples were subjected to 5, 10, 15, and 20â¯cycles of freezing and thawing in laboratory environment conditioning chamber. The FT conditioning decreases the fatigue life of the pavement by 30.7, 33.3, 46.7 and 37.23% for 5, 10, 15, and 20 FT cycles respectively. FT causes damage to the binder, which can be seen in the reduction of stiffness with increasing FT. The reduction in stiffness for 5, 10, 15, and 20 FT cycles is 7.1, 31.5, 38.9 and 41.1% respectively. Reduction of asphalt creep stiffness with an increase in FT cycles was found to be higher compared to the flexural strength of the asphalt concrete beam.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cold Regions Science and Technology - Volume 153, September 2018, Pages 197-204
Journal: Cold Regions Science and Technology - Volume 153, September 2018, Pages 197-204
نویسندگان
Rafiqul Tarefder, Hasan Faisal, Ghazanfar Barlas,