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The
objective of this work is to develop accelerated test methods for determining
the long-term behavior of fiber-reinforced polymer (FRP) composites for
bridges. The purpose of the study is to provide future researchers with common
test methods, acceptable to the highway bridge design community, that can
measure FRP structural behavior so that design criteria and data may be
developed for existing materials, and to provide the industry with an accepted
test method for evaluating composites custom-designed for highway bridges. The
major thrusts of this plan are to develop tests on four different scales, i.e.,
material, element, connection and full-structure; to isolate different
mechanical and environmental loading conditions; to perform both destructive
and nondestructive mechanical testing; to perform chemical analysis of
deteriorated FRP materials; and to develop mathematical models that can predict
the long term behavior of FRP materials and structures.
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