Monitoring loading and environmental effects on bridge performance : research brief.
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Monitoring loading and environmental effects on bridge performance : research brief.

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  • Abstract:
    A pilot project was initiated to assess the performance of the HPS bridge members as well as to evaluate

    the response of the structure to actual traffic and environmental loads under in-service conditions

    through monitoring of strain, temperature and displacement. Monitoring of an actual bridge provided

    an opportunity to validate the laboratory values obtained in the earlier study and supply WisDOT with

    additional tools to evaluate the specifications for design and construction of bridges using HPS. Both

    AASHTO’s standard specifications for bridge design and the recently implemented Load and Resistance

    Factor Design specifications, or LRFD, assume the use of non-HPS steels. This pilot project and

    related research provided a case study to assess the impact on these design methods of using a material

    with improved properties.

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