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Abstract:One of the challenges that transportation agencies are facing is keeping bridges in good condition during their
service life. Numerous bridges are classifi ed as structurally and/or functionally defi cient in the country. In the
state of Louisiana, 4,591 bridges or 34 percent of the total 13,426 bridges are classifi ed as substandard. Load
capacity degradation, increased gross vehicle weight, and increasing traffi c demand lead to the defi ciencies.
One of the most eff ective ways to solve the problem is to use composite materials to strengthen existing
bridges. As rapidly developed over the past several decades, diff erent kinds of composite fi ber reinforced
polymers (FRP) have been regarded as one of the best solutions to several problems associated with
transportation and civil engineering infrastructures. Some of the major benefi ts of FRP include its high
strength to weight ratio, high fatigue endurance, excellent corrosion resistance, low thermal expansion, and
the ease of fabrication, manufacturing, handling, and installation.
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