Alternative materials for FDOT sign structures : phase I [summary].
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2012-01-01
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Edition:Summary.
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Abstract:Inspections of tubular sign structures by the
Florida Department of Transportation (FDOT) have
revealed premature corrosion inside galvanized
steel tubes. Costs of installing and maintaining
these structures, interference with traffic from
these procedures, and delays for drivers have
moved FDOT engineers to seek alternative
materials, principally in the horizontal trusses. A
possibility is fiber-reinforced polymer (FRP), which
has been applied in other areas of transportation
and could be useful in sign structures. To begin
investigating this option, FDOT commissioned a
literature review from University of North Florida
researchers to address the uses of FRP, its material
properties, and its economics.
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