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Title | Effect of loading frequency and temperature on the fatigue parameters of asphalt concrete |
Authors |
Islam, M.R.
Wollega, E. |
ORCID | |
Keywords |
asphalt concrete fatigue life initial stiffness frequency temperature |
Type | Article |
Date of Issue | 2022 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/87984 |
Publisher | Sumy State University |
License | Creative Commons Attribution 4.0 International License |
Citation | Islam M. R., Wollega E. (2022). Effect of loading frequency and temperature on the fatigue parameters of asphalt concrete. Journal of Engineering Sciences, Vol. 9(1), pp. D1-D5, doi: 10.21272/jes.2022.9(1).d1 |
Abstract |
Investigating the behavior of asphalt concrete at low loading frequency is essential to understand the
thermal fatigue damage due to cyclic day-night temperature cycles, where the loading frequency is usually very low.
This study determines some properties (e.g., fatigue damage, dissipated energy, and stiffness) of asphalt concrete
beam samples at a low frequency of loading using four-point bending test apparatus. Results show that fatigue
damage is more significant at a lower frequency of cyclic loading and the number of cycles at failure becomes stable
at a frequency equal to or lower than 0.01 Hz. The concept of initial stiffness at the 50th cycle of loading is
inappropriate at a low frequency of loading as the stiffness reduction with a number of loadings is so considerable at
a frequency of loading. In addition, the dissipated energy per loading cycle decreases with a decrease in loading
frequency. |
Appears in Collections: |
Journal of Engineering Sciences / Журнал інженерних наук |
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File | Size | Format | Downloads |
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Islam_jes_1_2022.pdf | 345.08 kB | Adobe PDF | 7605301 |
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