Chemical Aspects Of Environmentally Processed Asphalt

  • James L. Conca
  • Stephen M. Testa

Abstract

Several aspects of asphalt such as road pavement properties, sensitivity to moisture damage, leaching behavior and functional group analysis and asphalt composition have been discussed. These investigations indicate that the asphalted contaminated soil exhibits high stability and adequate performance as an end product. Asphalt with high contents of pyridinic, phenolic and ketone groups exhibits best chemical stability and performance. It is recommended that the use of monovalent salts and high ionic strength solutions in asphalt cements is avoided because the decrease in chemical stability of the asphalt cement due to disruption of the functional group-aggregate bonds resulting increase in overall permeability.

Keywords

Permeability Sulfide Phenol Hydrocarbon Vanadium 

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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • James L. Conca
    • 1
  • Stephen M. Testa
    • 1
    • 2
  1. 1.Environmental SciencesWashington State UniversityRichlandUSA
  2. 2.Applied Environmental Services, Inc.Laguna HillsUSA

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