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PRELIMINARY ANALYSES OF POSSIBLE FACTORS ASSOCIATED WITH ASPHALTIC CONCRETE AIRFIELD PAVEMENT DEFECTS

CORRELATION AND REGRESSION ANALYSES WERE USED TO DETERMINE WHAT TRAFFIC, ENVIRONMENT, AND PAVEMENT FACTORS WERE SIGNIFICANTLY ASSOCIATED WITH THE VARIOUS DEFECTS. RESULTS INDICATED THAT MOST OF THE FACTORS ARE NOT SIGNIFICANTLY ASSOCIATED WITH PAVEMENT DEFECTS. MANY OF THE FACTORS APPEARED TO BE RELATED TO PAVEMENT DEFECTS IN A MANNER OPPOSITE TO WHAT IS CONSIDERED LOGICAL FROM A PHYSICAL OR ENGINEERING STANDPOINT. THE SIGNIFICANT FACTORS FOUND FOR VARIOUS TYPES OF DEFECTS ARE AS FOLLOWS: (1) FOR CRACKS AND PATTERN CRACKS: ASPHALT CONCRETE THICKNESS, LOAD RATING FOR 150 PSI TIRE, AND IN-PLACE DENSITY OF SUBGRADE; (2) FOR SETTLEMENT OF ASPHALTIC CONCRETE PAVEMENT: MAXIMUM AIR TEMPERATURE, ASPHALT PENETRATION, AND MOISTURE CONTENT OF BASE COURSE; AND (3) FOR RAVELING: LATITUDE AND ASPHALT CONTENT. NO SIGNIFICANT FACTORS WERE FOUND FOR DEFECTS SUCH AS BROKEN-UP AREAS, PATCHES, AND OIL SPILLAGE. THE LATTER DEFECT IS NOT A PAVEMENT DEFECT PER SE; HOWEVER, IT WAS CONSIDERED TO BE OF IMPORTANCE IN PAVEMENT MAINTENANCE UNDER THE CONDITION SURVEY PROGRAM. RECOMMENDATIONS ARE MADE TO CONDUCT SIMILAR ANALYSES FOR PORTLAND CEMENT CONCRETE PAVEMENT AND FOR ADDITIONAL ANALYSES FOR ASPHALTIC CONCRETE AND PORTLAND CEMENT CONCRETE PAVEMENTS WHEN CONDITION SURVEY INFORMATION FOR ALL NAVY AND MARINE CORPS AIRFIELDS BECOMES AVAILABLE AT THE END OF FY-74. /AUTHOR/

  • Corporate Authors:

    Naval Civil Eng Lab, Port Hueneme /US

    ,    
  • Authors:
    • Tomita, H
  • Publication Date: 1973-4

Media Info

  • Features: Figures; References; Tables;
  • Serial:
    • Issue Number: 271

Subject/Index Terms

Filing Info

  • Accession Number: 00207556
  • Record Type: Publication
  • Report/Paper Numbers: Tech Note
  • Files: TRIS
  • Created Date: Jul 8 1973 12:00AM