Assessment of structural capacity indicators from rolling wheel deflectometer data collection in Louisiana : research project capsule.

Details

• Creators:
  Elseifi, Mostafa A. ; Zhang, Zhongjie
• Corporate Creators:
  Louisiana State University (Baton Rouge, La.). Department of Civil and Environmental Engineering
• Contributors:
  Rupnow, Tyson D.
• Corporate Contributors:
  Louisiana. Dept. of Transportation and Development ; Louisiana State University (Baton Rouge, La.)
• Subject/TRT Terms:
  • Data collection
  • Pavement management systems
  • Pavement performance
  • Rolling contact
  • Structural analysis
  • Rolling wheel deflectometers
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States ; Louisiana
• Corporate Publisher:
  Louisiana Transportation Research Center
• Abstract:
  The use of the rolling wheel deflectometer (RWD), which measures ; deflections at highway speeds, offers the potential to characterize the ; structural capacity of the road network without major delays and in a cost-effective way. In 2009, the Louisiana Department of Transportation and ; Development (DOTD) conducted a comprehensive testing program of the ; RWD in District 05. Measurements were used to assess the repeatability ; of RWD measurements, the effect of truck speeds, and the relationship ; between RWD and the falling weight deflectometer (FWD) deflection ; measurements and pavement conditions. Based on the results of the ; experimental program, the following structural capacity indicators were ; developed: the RWD Index (RI), defined in terms of the average RWD ; deflection and the standard deviation of the measurements based on ; a 1.5 mile segment; the pavement Structural Number (SN) in terms of ; the average RWD deflection and RI based on a 1.5-mile segment; use of ; multivariate statistical methods and fuzzy logic in combination with the ; RI index; and the Zone RWD Index (ZRI) in terms of the average RWD ; deflection variance based on a 0.1-mile segment.
  More +
• Format:
  PDF
• Funding:
  14-2P ; 100009
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/31020/dot_31020_DS1.pdf
• File Type:
  [PDF - 149.53 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:216261331af0bf56cd4b349fbc262fa66e72ab13c59cd6419d3bf42797c18e4c