کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5028703 | 1470654 | 2017 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Analysis of IT-CY Stiffness Modulus of Foamed Bitumen Asphalt Concrete Compacted at 95 °C
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
This study is to compare the results of temperature sensitivity tests of foamed bitumen asphalt concrete (AC 8) compacted at 95 °C with that of the reference mixture compacted at the conventional temperature of 140 °C. The tests and subsequent analysis confirm the advantageous effects the modification of bitumen 50/70 with 2.5% Fischer-Tropsch (FT) synthetic wax has on the characteristics of asphalt concrete. The characteristics investigated in this study included the air void content and moisture resistance of the specimens in one freezing cycle test (ITSR). Additionally, the relationships between air void content and stiffness moduli were investigated. The analysis of temperature sensitivity was conducted based on the measured indirect tensile stiffness modulus, Sm, (IT-CY) at -10 °C, 0 °C, 10 °C and 25 °C. The parameters of the asphalt concrete compacted at 95 °C made with FT wax modified foamed bitumen (FT=2.5%) are comparable to those of the reference mixture compacted at 45 °C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Procedia Engineering - Volume 172, 2017, Pages 550-559
Journal: Procedia Engineering - Volume 172, 2017, Pages 550-559
نویسندگان
Anna Chomicz-Kowalska, WÅadysÅaw Gardziejczyk, Mateusz M. IwaÅski,