Journal ArticleDOI
The Influence of Aggregate Interaction and Aging Procedure on Bitumen Aging
TLDR
In this paper, the influence of aggregate type and aging procedure on the rheological and chemical fractional properties of aged bitumen was investigated in the context of asphalt mixtures.Abstract:
Bitumen, like many other organic substances, is affected by the presence of oxygen, ultraviolet radiation, and by changes in temperature. These external influences result in the phenomenon known as “aging” and cause changes in the chemical composition and therefore the rheological and mechanical properties of the bitumen. Aging is primarily associated with the loss of volatile components and oxidation of the bitumen during asphalt mixture production (short-term aging) and progressive oxidation of the in-place material in the field (long-term aging). Both factors cause an increase in viscosity (or stiffness) of the bitumen and consequential stiffening of the asphalt mixture. Aging at moderate levels is generally accepted and can even enhance performance, but at significant levels results in embrittlement of the bitumen, significantly affecting its adhesive characteristics and usually resulting in reduced cracking resistance of the asphalt mixture under repeated loading. It has long been recognized that the characteristics of bitumens are affected by the mineral aggregate with which they come into contact and that age hardening is influenced by both the bitumen and the mineral aggregate as reported by Bell and Sosnovske in 1994. This paper investigates the influence of aggregate type and aging procedure on the rheological and chemical fractional properties of aged bitumen. Asphalt mixtures comprising limestone or granite aggregate have been artificially aged in the laboratory and the rheological properties and chemical composition of the recovered bitumen from the mixtures determined after different durations of aging. In addition, the influence of bulk aging versus thin film aging has been assessed on the same bitumen aged in the presence of aggregate.read more
Citations
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Journal ArticleDOI
Modelling the rheological properties of bituminous binders using the 2S2P1D Model
Nur Izzi Md. Yusoff,Damien Mounier,Ginoux Marc-Stéphane,Mohd Rosli Hainin,Gordon Airey,Hervé Di Benedetto +5 more
TL;DR: In this article, the suitability of the 2S2P1D model to describe the rheological properties of a large database of bituminous binders held by the Nottingham Transportation Engineering Centre was evaluated.
Journal ArticleDOI
A comparative study of the influence of shift factor equations on master curve construction
TL;DR: In this article, the applicability of different shifting techniques for constructing complex modulus master curves using the time-temperature superposition principle (TTSP) was evaluated using the Microsoft Excel Spreadsheet Solver function.
Journal ArticleDOI
Synthesis of Asphalt Binder Aging and the State of the Art of Antiaging Technologies
TL;DR: In this article, the authors provide a review of antiaging technologies used to prohibit or to rejuvenate aged asphaltic materials and the kinetics of molecular structures during aging and the group of molecules that mainly are affected.
Journal ArticleDOI
Impact of reactive oxygen species on bitumen aging – The Viennese binder aging method
TL;DR: In this paper, the Viennese Binder Aging (VBA) method was proposed to simulate the aging behavior of road binder and its binder, which can reach and even surpass RTFOT+PAV level of aging within three days.
Journal ArticleDOI
Effect of Layered Double Hydroxides (LDHs) on Aging Properties of Bitumen
TL;DR: In this article, the effects of LDHs on the physical properties and aging properties of bitumen were studied by means of Fourier transform infrared (FTIR) spectroscopy analysis.
References
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Journal ArticleDOI
Comparison by Fourier transform infrared (FTIR) spectroscopy of different ageing techniques: application to road bitumens
TL;DR: In this paper, the authors compared a direct and continued methodological approach of bitumen oxidation process (adapted IR cell), a road ageing, along with two ageing conventional tests: the Rolling Thin Film Oven Test (RTFOT) and the Pressure Ageing Vessel (PAV).
Journal ArticleDOI
State of the Art Report on Ageing Test Methods for Bituminous Pavement Materials
TL;DR: The findings of an extensive literature review on bitumen and asphalt mixture ageing test methods are presented in the paper as discussed by the authors, where the primary factors affecting the durability of bituminous paving mixtures, assuming they are constructed correctly, are age hardening and moisture damage.
Journal ArticleDOI
Asphalt aging: dual oxidation mechanism and its interrelationships with asphalt composition and oxidative age hardening
J. C Petersen,P. M Harnsberger +1 more
TL;DR: In this paper, a dual mechanism was proposed to explain the hyperbolic-like, time-versus-property plots characteristic of asphalt oxidative aging, and the oxidation kinetics provided further confirmation of the asphalt microstructural model.
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