The effect of volumetric properties of asphalt concrete mixture to wheel track rutting with respect to EN and BS rutting test methods

Manthos, Evangelos; Nikolaides, A F

doi:10.1201/9780203092989.ch98

Cited by 2 publications

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“…The wheel tracking tests (WTT), in its different versions, is accepted worldwide as a test procedure that gives an indication of the asphalt mixture rutting resistance. Recent researches explore different testing alternatives for the WTT in order to find a better quantification of the rutting performance [10][11][12]. In addition, the WTT is used in laboratories to analyse the rutting performance behaviours while varying gradation and materials [13].…”

Section: Introductionmentioning

confidence: 99%

Wheel tracking rutting performance estimation based on bitumen Low Shear Viscosity (LSV), loading and temperature conditions

2013

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The development of new technologies and road pavement materials require the evaluation of the asphalt mixture performance. Rutting is one of the main modes of failure of asphalt mixtures; it is typically studied at the laboratory through the wheel tracking test (WTT). Weather and traffic conditions (temperature, loads) significantly affect the pavement rutting performance. The bitumen rheological properties also have a main role in mixture rutting response; they can adequately characterized by the bitumen Low Shear Viscosity (LSV). The estimation of rutting performance appears as a useful decision tool to optimize pavement design process. This paper studies the rutting performance of asphalts mixtures utilising the WTT. The specimens were tested at different temperatures and loading levels to simulate different climatic and traffic pavement conditions. A performance estimator was developed including temperature and traffic load on the pavement, and LSV of the binder as input data.

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Section: Introductionmentioning

confidence: 99%

Wheel tracking rutting performance estimation based on bitumen Low Shear Viscosity (LSV), loading and temperature conditions

2013

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“…The WTT measures the mixture rut depth over time under extreme temperature and load traffic conditions. This test is widely used around the world, although recent research explores different testing alternatives for the WTT in order to find a better quantification of the rutting performance or to compare the advantages of diverse asphalts mixtures and materials [8,11,12]. The test temperature is normally 60 °C, which is representative of the highest pavement temperature that can be found.…”

Section: Introductionmentioning

confidence: 99%

Improvements on asphalt mixtures rutting performance characterization by the use of low shear viscosity

2012

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The relationship between the rutting performance of dense asphalt concretes and the low shear viscosity (LSV) of different asphalt binders was analysed in a previous work. A LSV limit was found for the original asphalt to prevent the rutting of the mixtures, and in addition, a model to predict the rutting performance based on the LSV of the asphalt binder was validated. With the aim of amplifying the criterion previously found, the performances of micro and stone mastic asphalt mixtures are studied in this work. Conventional, multigrade and polymer modified asphalts were used as binders. Considering that the properties of original and aged asphalts must be taken into account for a better asphalt binder characterization, LSV measurements on aged asphalts were also done in order to analyse their relationship to the mixtures rutting performance. The micro and stone mastic asphalt mixtures showed a similar behaviour as the dense grade asphalt concrete in the previous study. Regarding the control of rutting, a LSV limit of 500 Pa.s was found for original asphalts, while 2,000 Pa.s was the limit for aged asphalt binders. The model to predict the rutting performance of asphalt mixtures was amplified, incorporating both original and aged asphalt LSVs as appropriate input data.

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The effect of volumetric properties of asphalt concrete mixture to wheel track rutting with respect to EN and BS rutting test methods

Cited by 2 publications

References 0 publications

Wheel tracking rutting performance estimation based on bitumen Low Shear Viscosity (LSV), loading and temperature conditions

Wheel tracking rutting performance estimation based on bitumen Low Shear Viscosity (LSV), loading and temperature conditions

Improvements on asphalt mixtures rutting performance characterization by the use of low shear viscosity

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