SOME CORRELATIONS OF ASPHALT COMPOSITION WITH PHYSICAL PROPERTIES

DURING THE PAST THIRTY YEARS CONSIDERABLE PROGRESS HAS BEEN MADE IN OUR KNOWLEDGE OF THE PHYSICAL AND COLLOIDAL CHEMISTRY OF ASPHALTS. DURING THE SAME PERIOD MANY RHEOLOGICAL INVESTIGATIONS OF ASPHALTS HAVE BEEN CARRIED OUT AND THESE HAVE ELUCIDATED TO SOME EXTENT THE MEANING OF MORE COMMON EMPIRICAL SPECIFICATION AND CONTROL TESTS SUCH AS PENETRATION. DUCTILITY, AND SOFTENING POINT. HOWEVER, THERE HAVE BEEN PUBLISHED NO CORRELATIONS OF A PRACTICAL WORKING NATURE WHICH RELATE IMPORTANT FLOW PROPERTIES TO ASPHALT COMPOSITION. THIS PAPER PRESENTS SUCH A CORRELATION, ONE WHICH HAS BEEN FOUND APPLICABLE TO ASPHALTS FROM A WIDE VARIETY OF CRUDES. THE CORRELATIONS ARE LIMITED TO SOME EXTENT IN THAT THEY DO NOT APPLY WITH ANY DEGREE OF ACCURACY TO HIGHLY CRACKED PRODUCTS, NOR HAVE THEY BEEN EXTENDED TO ASPHALTS HARDER THAN 20 PENETRATIONS.

Subject/Index Terms

Filing Info

  • Accession Number: 00210973
  • Record Type: Publication
  • Source Agency: Highway Research Board Bibliography
  • Files: TRIS
  • Created Date: Apr 21 1994 12:00AM