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International Journal of
Research in Advanced Engineering and Technology
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VOL. 6, ISSUE 3 (2020)
Assessing the deformation of permeable asphalt concrete
Authors
Saad Issa Sarsam, Ghaidaa Abdl Wahab Majeed
Abstract
Permeable asphalt concrete pavement is the pavement that allows water to infiltrate through its surface. This could support the skid resistance at heavy rainfall areas and assess in fast drainage of the rainfall. In this investigation, the resistance to permanent deformation under repeated compressive stresses of permeable asphalt pavement was assessed. The influence of incorporating carbon fibers into the porous asphalt concrete surface layer was also monitored. Permeable Asphalt concrete specimens of 101.6 mm length and 101.6 mm of diameter have been prepared in the laboratory at optimum binder content of 5.2 %. Another set of specimens were prepared at optimum binder and 0.3 % carbon fiber percentages for comparison. Specimens were subjected to three levels of repeated compressive stresses of (0.068, 0.138 and 0.206) MPa in the Pneumatic Repeated Load System PRLS at 20°C. It was noted that the addition of carbon fibers has improved the resistance to permanent deformation of permeable asphalt concrete after practicing 1200 load repetitions by (17, 17.8 and 10) % under the stress level of (0.068, 0.138 and 0.206) MPa respectively. On the other hand, the deformation after the first load repetition (intercept) decline by (10.2, 30.2, and 40) % under the stress level of (0.068, 0.138 and 0.206) MPa respectively when carbon fibers were incorporated in the mixture as compared to the control specimens.
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Pages:01-06
How to cite this article:
Saad Issa Sarsam, Ghaidaa Abdl Wahab Majeed "Assessing the deformation of permeable asphalt concrete". International Journal of Research in Advanced Engineering and Technology, Vol 6, Issue 3, 2020, Pages 01-06
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