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Materials and Structures

, Volume 48, Issue 12, pp 4019–4028 | Cite as

Wheel tracking test (WTT) conducted under different standards. Study and correlation of test parameters and limits

  • F. MoreaEmail author
  • R. Zerbino
Original Article

Abstract

The wheel tracking test (WTT) is an important tool to define asphalt mixture rutting performance. In this study, the rutting behaviour in the WTT was compared under two different standards, BS 598-110 and EN 12697-22 small size device procedures. A significant number of mixtures were studied considering different volumetric characteristics, binder types and test temperatures. The relationship between calculated test parameters in both standards is discussed. Similar deformation rate responses in mixtures using both test methods were observed. A correlation between the calculated parameters rutting rate of BS 598-110 and wheel tracking slope (WTS) of EN 12697-22 was obtained. Possible WTS limits are discussed, considering previous experience in the WTT according to BS 598-110 and the relations obtained with the low shear viscosity of the binders.

Keywords

Rutting performance Wheel tracking test (WTT) BS 598-110 EN 12697-22 small size device 

Notes

Acknowledgments

The authors wish to thank the collaboration of Eng. Rosana Marcozzi, Claudio Veloso, Jorge Coacci, Norberto Amarillo and Javier Batic during the experimental work.

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Copyright information

© RILEM 2015

Authors and Affiliations

  1. 1.CONICET, LEMIT-CICLa PlataArgentina

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