Published: Jan 1977
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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.
corrosion, concretes, reinforcing steels, bridge decks, highway bridges, concrete finishes, grout, maintenance, protective treatments, membranes
Maintenance special services engineer, Highway Division, Ames, Iowa