United States Department of Transportation
i
Construction of crack-free bridge decks : technical summary.
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2017-04-01
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[PDF-641.16 KB]
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Abstract:The report documents the performance of the decks based on crack surveys performed on the LC-HPC decks and
matching control bridge decks. The specifications for LC-HPC bridge decks, which cover aggregates, concrete,
and construction procedures, as well as procedures for performing crack surveys, are summarized. The first 13
LC-HPC bridge decks are compared to control decks in terms of crack density as a function of time. Survey results
are also presented for three LC-HPC decks without control decks and one deck let under LC-HPC specifications
on which the specifications were not enforced. The widths of measured cracks ranged from 0.006 to 0.025 inches
(0.15 to 0.64 mm).
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