RUBBER-ASPHALT BINDER FOR SEAL COAT CONSTRUCTION

THIS PAPER DESCRIBES THE DEVELOPMENT AND USE OF A RUBBER-ASPHALT BINDER FOR SEAL COAT CONSTRUCTION. WHEREAS RUBBER HAS BEEN ADDED TO ASPHALT IN LOW PERCENTAGES (3 TO 5 PERCENT) IN THE PAST, THIS BINDER USES HIGH PERCENTAGE (25 TO 30 PERCENT) ADDITIONS OF GRANULATED TREAD RUBBER RECLAIMED FROM DISCARDED AUTOMOBILE TIRES. THE GRANULATED RUBBER IS MIXED WITH HOT ASPHALT TO FORM A TOUGH ND ELASTIC BINDER WITH LESS SUSCEPTIBILITY TO TEMPERATURE CHANGES. IT HAS BEEN USED VERY SUCCESSFULLY IN SEAL COAT CONSTRUCTION FOR MAINTENANCE OPERATIONS IN THE CITY OF PHOENIX, ARIZONA, FOR SEVERAL YEARS AND HAS BEEN ESPECIALLY SUCCESSFUL IN OVERLAYING PAVEMENTS THAT EXHIBIT SEVERE FATIGUE OR "ALLIGATOR" CRACKING. THE PAPER DESCRIBES THE CONSTRUCTION PROCEDURE USED IN PHOENIX, AND INCLUDES A RECOMMENDED SPECIFICATION FOR SEAL COAT CONSTRUCTION USING THE RUBBER-ASPHALT COMPOSITION AS THE BINDER /FHWA/

• Corporate Authors:

  Federal Highway Administration

  Office of Development, 1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Olsen, R E
• Publication Date: 1973

Media Info

• Pagination: 32 p.

Subject/Index Terms

• TRT Terms: Binders; Construction; Elastomer modified asphalt; Granular materials; Rubber; Rubber coatings; Seal coats; Specifications; Surface treating; Tires; Wastes
• Subject Areas: Construction; Environment; Highways; Maintenance and Preservation; Vehicles and Equipment;

Filing Info

• Accession Number: 00218081
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: User Man
• Files: TRIS, USDOT
• Created Date: Oct 24 1973 12:00AM