EVALUATION OF COMBINATION INSERT AND SEALANT FOR CONCRETE PAVEMENTS-FIRST INTERIM REPORT

THE PERFORMANCE OF A COMBINATION INSERT AND SEALANT FOR CONCRETE PAVEMENTS, MANUFACTURED BY THE R. J. COMPANY OF TIMONIUM, MARYLAND, IS BEING EVALUATED UNDER FIELD CONDITIONS. IN OCTOBER, 1971, THIRTY TRANSVERSE JOINTS USING THIS MATERIAL WERE INSTALLED ON A WIDENING CONTRACT ON I-95, NORTH OF BALTIMORE. NO DIFFICULTIES WERE ENCOUNTERED IN INSTALLATION. VISUAL OBSERVATIONS WERE MADE, SUBSEQUENTLY, IN JANUARY AND AUGUST OF 1972. THE THIRTY COMBINATION INSERTS AND SEALANTS ARE STILL IN GOOD CONDITION, CLEAR OF DEBRIS, AND APPEAR TO BE FUNCTIONING AFTER ONE YEAR OF SERVICE. IN CONTRAST, NEOPRENE SEALS INSTALLED ADJACENT TO THE EXPERIMENTAL INSTALLATION ARE IN GENERALLY POOR CONDITION DUE TO A COMBINATION OF INFERIOR MATERIAL AND POOR INSTALLATION PRACTICES. HOWEVER, UNTIL THESE EXPERIMENTAL JOINTS HAVE BEEN IN FOR A FEW MORE YEARS, NO FINAL CONCLUSIONS CAN BE MADE AS TO THEIR PERFORMANCE. /FHWA/

  • Supplemental Notes:
    • Contract No AW-73-119-46
  • Corporate Authors:

    Maryland Department of Transportation

    State Highway Administration, 707 N Calvert Street
    Baltimore, MD  United States  21202
  • Authors:
    • Stromberg, F J
    • Kinney, F S
  • Publication Date: 1972-9

Media Info

  • Pagination: 19 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00215988
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Files: TRIS, USDOT, STATEDOT
  • Created Date: Apr 30 1973 12:00AM