Verification of Rut Depth Collected with the INO Laser Rut Measurement System: Executive Summary Report

Details

• Creators:
  Hoffman, Bradley R. ; Sargand, Shad M.
• Corporate Creators:
  Ohio. Dept. of Transportation. Innovation, Research, and Implementation Section
• Corporate Contributors:
  Ohio. Dept. of Transportation
• Subject/TRT Terms:
  • Ruts (Pavements)
  • Surface course irregularities
  • Measurement
  • Lasers
  • Profilometers Lasers in engineering--Ohio--Testing
  • Profilometer--Ohio
  • Rutting of roads--Ohio--Measurement
  • Pavements--Ohio--Evaluation
• Publication/ Report Number:
  FHWA/OH-2011/18
• Resource Type:
  Tech Report
• Geographical Coverage:
  Ohio
• Edition:
  Executive summary report.
• Corporate Publisher:
  Ohio. Dept. of Transportation. Innovation, Research, and Implementation Section
• Abstract:
  Since 1985, ODOT has been manually collecting rut ; depth data using a straight edge and dial gauge (S&G). This ; method is slow and dangerous to pavement condition raters ; when traffic control is not available. According to the ; Pavement Condition Rating (PCR) procedures, the rating ; team is instructed to stop at 1 mile intervals along the ; predetermined roadway section and evaluate a 100 ft (30.5 m) ; section of pavement. While this method may be sufficient in ; many cases, there is potential for raters to overlook short ; sections of deeper than typical rutting. Also, there have been ; numerous instances, according to ODOT Infrastructure ; Management workers, when the level of traffic prevented ; them from obtaining the necessary number of rut depth ; measurements to properly evaluate a pavement section. To ; solve this problem, ODOT purchased two inertial road ; profilers; one from Pathway Services and one from Dynatest. ; Both vehicles use rear-mounted INO Laser Rut Measurement ; Systems (LRMS). These systems utilize two 3D laser ; profilers and allow the collection of transverse road profiles ; and calculation of rut depth measurements while the vehicle ; is in motion, even at high speeds. With the LRMS, numerous ; rut measurements can be obtained at short intervals over the ; entire section in a much shorter period of time. The safety ; risk for the rating team is greatly reduced because they can ; obtain measurements without leaving the vehicle and without ; interfering with traffic flow.
  More +
• Format:
  PDF
• Funding:
  SJN: 134515
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/24045/dot_24045_DS1.pdf
• File Type:
  [PDF - 167.85 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:c41b2e378016d4f776c2f04fde9a5d2cae07e01df59a0755e0de8fcd8d986a5e212428d2281e06da308cd162619aaa81df41916c764c17a06857aaddb5ff46f0