PCA ROAD METER CORRELATION STUDY

THE REPORT DESCRIBES THE EFFECTIVENESS OF THE PCA ROAD METER IN DETERMINING THE SERVICEABILITY OF RIGID AND FLEXIBLE PAVEMENTS. THE PCA ROAD METER IS A DEVICE INSTALLED IN A CONVENTIONAL AUTOMOBILE TO MEASURE THE NUMBER AND MAGNITUDE OF VERTICAL DEVIATIONS PER MILE OF ROAD BETWEEN THE BODY OF THE AUTOMOBILE AND THE CENTER OF THE REAR AXLE HOUSING. FROM THESE MEASUREMENTS, THE SUM OF SQUARES OF ROAD-CAR DEVIATIONS CAN BE CALCULATED AND CORRELATED WITH SLOPE VARIANCE OF THE CHLOE PROFILOMETER. THE LOUISIANA DEPARTMENT OF HIGHWAYS INSTALLED A ROAD METER IN ONE OF ITS PASSENGER AUTOMOBILES. THE SYSTEM WAS TESTED FOR ACCURACY, REPEATABILITY, AND CORRELATIVITY TO THE CHLOE PROFILOMETER. /AUTHOR/

• Corporate Authors:

  Louisiana Department of Highways

  P.O. Box 44245, Capitol Station
  Baton Rouge, LA  United States  70804
• Authors:
  • Law, S M
  • Breckwoldt, E J
• Publication Date: 1969-10

Subject/Index Terms

• TRT Terms: Accuracy; Automobiles; Correlation analysis; Deviation (Statistics); Flexible pavements; Measurement; Profilometers; Rigid pavements; Serviceability; Test procedures
• Uncontrolled Terms: Reproducibility
• Old TRIS Terms: Deviation
• Subject Areas: Data and Information Technology; Design; Highways; Pavements;

Filing Info

• Accession Number: 00207083
• Record Type: Publication
• Report/Paper Numbers: 30 pp
• Files: TRIS, STATEDOT
• Created Date: Jun 15 1970 12:00AM