Influence of Wax Additives on the Properties of Porous Asphalts

An experimental work evaluating the application of Warm Mix Asphalt technologies to Porous Asphalts in severe cold climate is reported. Volumetric tests as well as water permeability, Cantabro and Indirect Tensile Strength tests were performed on samples of a selected porous asphalt, with and without the Sasobit wax. Mixing and compacting temperatures were varied during the tests. Permeability and ITS tests were repeated after a severe water/temperature conditioning process. In general, the results confirmed that WMA technology is applicable to porous asphalts in a cold climate, allowing the lowering of compaction temperatures by about of 20°C without any significant decrease in performance.


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  • Accession Number: 01686913
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Nov 26 2018 4:55PM