Design and construction guidelines for strengthening bridges using fiber reinforced polymers (FRP).
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2014-09-01
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Abstract:This research concerns the development of guidelines
for the design and use of externally-bonded FRP
strengthening systems on bridges in Michigan. Si
x representative international FRP-related guidelines
were analyzed and compared for applicability and
effectiveness to MDOT needs. An experimental
program involving natural and accelerated laboratory
weathering was conducted to determine acceleration
factors appropriate for the climate of Michigan.
Bond pull-off and other specimen tests were used to
establish rates of strength degradation, and an envi
ronmental reduction factor was estimated from these
results. From the review of the existing guidelines
as well as the test results, recommendations for design
as well as installation, quality contro
l, inspection, maintenance and repa
ir were proposed that are based on
modifications to as well as a synthesis of existing provisions
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