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3D laser imaging for ODOT interstate network at true 1-mm resolution.
  • Published Date:
    2014-12-01
  • Language:
    English
Filetype[PDF-15.67 MB]


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3D laser imaging for ODOT interstate network at true 1-mm resolution.
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  • Corporate Creators:
  • Publication/ Report Number:
    FHWA-OK-14-14
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  • Abstract:
    With the development of 3D laser imaging technology, the latest iteration of

    PaveVision3D Ultra can obtain true 1mm resolution 3D data at full-lane coverage in all

    three directions at highway speed up to 60MPH. This project provides rapid survey

    using PaveVision3D Ultra for the ODOT interstate highways and SH-51 from I-35 to

    Sand Springs with approximately 1,280 center miles of pavement. With sophisticated

    Automated Distress Analyzer 3D (ADA-3D) software interface, the collected 1mm 3D

    data provide ODOT solutions for automated evaluation of pavement surface including

    longitudinal profile for roughness, transverse profile for rutting, predicted hydroplaning

    speed for safety analysis, and cracking and various surface defects for distresses. The

    Pruned Exact Linear Time (PELT) method, an optimal partitioning algorithm, is

    implemented to identify change points and dynamically determine homogeneous

    segments so as to assist DOT effectively using the available 1mm 3D pavement surface

    condition data for decision-making. The application of 3D 1mm laser imaging technology

    for network survey is unprecedented. This innovative technology allows highway

    agencies to use the 1mm 3D system for design and management purposes, particularly

    to meet the data needs for pavement management system (PMS), bridge deck

    evaluation without requiring field visits to individual bridges, Pavement ME Design and

    Highway Performance Monitoring System (HPMS).

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