Rubber-Modified Asphalt for Enhanced Performance in Extreme Heat
DOI:
https://doi.org/10.63318/Keywords:
Asphalt; Rubber, Stability, Void, Bitumen, Roller Compactor, Density, Tensile StrengthAbstract
The quality of bitumen, a critical constituent of asphalt mixtures, is significantly influenced by its
chemical composition and production process. Libya's extensive road network, much of which lies in
desert areas, suffers from rutting and cracking due to extreme temperature variations. This study aims to
enhance asphalt properties by adding rubber. A comprehensive test program, conducted according to
German and European standards, demonstrated that rubber-modified asphalt exhibits improved hightemperature stability, low-temperature behavior, and bonding capacity. Specifically, rubber-modified
asphalt showed a 7% increase in stability and a 46% reduction in rutting depth compared to conventional
asphalt. The improved resistance to water and cracking further validates the efficacy of rubber
modification in asphalt.
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Copyright (c) 2024 Hassan Salem (Author)
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