1999
DOI: 10.1016/s0016-2361(99)00018-6
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Studies on the aging behavior of the Arabian asphalts

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Cited by 212 publications
(112 citation statements)
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“…The oxidation of hydrocarbons is associated, notably, with the increase of C=O (1700 cm −1 ) and S=O (at 1030 cm −1 ) bonds for laboratory aged asphalt (Mouillet et al 2008;Siddiqui and Ali 1999). This has been confirmed with in situ aging on asphalt roads by Lamontagne et al (2001a), Jung (2006) and Chávez-Valencia et al (2007).…”
Section: Ftir-atr Analysissupporting
confidence: 53%
See 1 more Smart Citation
“…The oxidation of hydrocarbons is associated, notably, with the increase of C=O (1700 cm −1 ) and S=O (at 1030 cm −1 ) bonds for laboratory aged asphalt (Mouillet et al 2008;Siddiqui and Ali 1999). This has been confirmed with in situ aging on asphalt roads by Lamontagne et al (2001a), Jung (2006) and Chávez-Valencia et al (2007).…”
Section: Ftir-atr Analysissupporting
confidence: 53%
“…While regular maintenance cycles can mitigate the aging effects, the long-term aging effects on the bitumen will eventually lead to surface cracks that require the pavement to be rehabilitated or replaced (Smith and Edwards 2001). The initial hardening of the bitumen (short-term aging) is largely due to the evaporation of the lighter aromatics, naphthene aromatics during bitumen storage at hot temperature (160-180°C), along with mixing (160°C+) while the long-term aging effects are due to the oxidation over the in-service time (Chávez-Valencia et al 2007;Siddiqui and Ali 1999). Another possible contributor to aging is ultraviolet (UV) radiation from exposure to the sun (Durrieu et al 2007).…”
Section: Introductionmentioning
confidence: 99%
“…It is confirmed that the aging of asphalt in service is mainly caused by the different environments to which the asphalt is subjected. From a chemical perspective, Lu and Siddiqui have concluded that thermal oxygen induces the formation of carbonyl and sulphoxide groups [8,9]. Lin proposed that carbonyl area index could be used as a Appl. Sci.…”
Section: Introductionmentioning
confidence: 99%
“…In terms of fractional components, it has been demonstrated that ageing determines a decrease of the aromatics content with a consequent increase of relative amounts of resins and asphaltenes (Moschopedis and Speight 1977;Siddiqui and Ali 1999). This is due to the fact that aromatics generate resins that in turn generate asphaltenes.…”
Section: Introductionmentioning
confidence: 99%
“…This is due to the fact that aromatics generate resins that in turn generate asphaltenes. These chemical changes involve larger and more polar molecules (Bahia and Anderson 1995), revealed by the formation of new functional groups such as carbonyls and sulfoxides (Siddiqui and Ali 1999;Leuseur 2009).…”
Section: Introductionmentioning
confidence: 99%