STP629

    Iowa Method of Partial-Depth Portland Cement Resurfacing of Bridge Decks

    Published: Jan 1977


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    Abstract

    Low-slump, high-quality concrete is used in Iowa for partial-depth patching and resurfacing of bridge decks. All unsound concrete is removed, as well as a minimum of ¼ in. (0.054 m) of the remaining sound concrete surface. Sand cement grout is scrubbed onto dry, prepared deck immediately prior to compacting low-slump concrete into place using vibrating screeds.

    Keywords:

    corrosion, concretes, reinforcing steels, bridge decks, highway bridges, concrete finishes, grout, maintenance, protective treatments, membranes


    Author Information:

    O'Connor, EJ
    Maintenance special services engineer, Highway Division, Ames, Iowa


    Paper ID: STP27959S

    Committee/Subcommittee: G01.04

    DOI: 10.1520/STP27959S


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