United States Department of Transportation
i
Analysis of the state of the art of precast concrete bridge substructure systems.
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2013-10-01
[PDF-4.25 MB]
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Abstract:Precasting of bridge substructure components holds potential for accelerating the construction of bridges,reducing
impacts to the traveling public on routes adjacent to construction sites, improving bridge durability and hence service
life, and reducing the environmental impacts that are associated with cast‐in‐place construction operations.Use of
precast concrete substructures has been limited in the United States; only recently have state departments of
transportation (DOTs) developed and implemented technologies that speed construction through the use of
prefabricated columns, cap beams, and footings. In this research,the author gathered relevant information on the use
of precast substructures by state DOTs, and analyzed existing technologies for appropriateness of use on typical
bridges within Arizona.Drawing from the collected literature,the author makes recommendations for implementing
precast substructures.
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