Evaluation of permanent deformation of unmodified and SBS modified asphalt mixtures using dynamic creep test

By A. Khodaii, Amir Mehrara. 2009

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Polymer modification of bitumen : Advances and challenges (2014, background): “The first field mainly focused on the microstructure, deformation, cracking, ageing and fatigue of PMB [64-77].”
Rutting performance prediction of warm mix asphalt containing reclaimed asphalt pavements (2014, methodology): “The tests which are generally used to assess resistance of bituminous mixes to permanent deformation are Marshall, static creep, dynamic creep and wheel-tracking tests (Arabani, Moghadas Nejad, & Azarhoosh, 2013; Khodaii & Mehrara, 2009; Verstraten, 1994).”
Evaluation of permanent deformation characteristics of unmodified and Polyethylene Terephthalate modified asphalt mixtures using dynamic creep test (2014, methodology): “100 kPa) cannot properly manifest the rutting performance of modified asphalt mixtures [13].”
Laboratory comparison of the crumb-rubber and SBS modified bitumen and hot mix asphalt (2011, background): “However, it has been reported that a stress level of 100 kPa is not suitable for investigating the permanent deformation potential of asphalt mixtures [28].”