Current and proposed practices for nondestructive highway pavement testing
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Current and proposed practices for nondestructive highway pavement testing

Filetype[PDF-113.00 KB]


  • English
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    Details:

    • Creators:
      Kestler, Maureen A
    • Corporate Contributors:
      United States. Army. Corps of Engineers
    • Subject/TRT Terms:
    • Publication/ Report Number:
      97-28
    • Resource Type:
      Research Paper
    • TRIS Online Accession Number:
      745370
    • OCLC Number:
      38176701
    • Corporate Publisher:
      Cold Regions Research and Engineering Laboratory (U.S.)
    • NTL Classification:
      NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-HIGHWAY/ROAD TRANSPORTATION-Materials;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;
    • Abstract:
      In September 1994 the U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) distributed a short survey on nondestructive testing practices to each of the 50 state Departments of Transportation (DOTs). The compilation of results constituted Phase 1 of a multiphase effort intended to lead toward the development of a method for optimizing falling weight deflectometer (FWD) test point spacing. Planned spatial statistical analyses on selected data sets will yield (site-specific) optimal FWD test point spacing for road network evaluation and pavement overlay design. Optimal FWD test point spacing reduces conservative overdesign due to undertesting and reduces overtesting. Both of these ultimately reduce costs. Although the above effort has not been completed, this interim report outlines the proposed process. Also included are direct survey facts and figures, including number of states with nondestructive testing (NDT) devices, average number of miles of annual overlay design, average number of miles of network/inventory testing, and back-calculation programs and overlay design procedures used. All facts and figures are generic and honor state anonymity.
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