GERMAN 'MIRACLE' ASPHALT GETS FIRST U. S. TEST

THE PENNSYLVANIA DOT IS INSTALLING THE FIRST GUSSASPHALT SURFACING ON A U.S. HIGHWAY. THE LOCATION IS FOUR-LANE STRIP OF U.S. 322, 1.7 MILES LONG, EAST OF HARRISBURG. THE OVERLAY WILL CONSIST OF ALTERNATING CONVENTIONAL AND GUSSASPHALT LENGTHS FOR COMPARATIVE ANALYSIS. THE GERMAN MATERIAL HAS EXTREMELY HIGH ASPHALT CONTENT AND COSTS TWICE AS MUCH AS CONVENTIONAL OVERLAYS. IT IS POURED AT VERY HIGH TEMPERATURE AND SEEKS ITS OWN LEVEL, SO THAT FORMS MUST BE USED. AS IT COOLS, STONE CHIPS ARE SPREAD ON THE SURFACE, PROVIDING HIGH SKID RESISTANCE. OTHER ADVANTAGES ARE LONG LIFE, LOW MAINTENANCE, AND RESISTANCE TO STUDDED TIRES.

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  • Accession Number: 00211762
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 7 1973 12:00AM