Investigation of carbon fiber composite cables (CFCC) in prestressed concrete piles : [summary].
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2014-04-01
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Abstract:FDOT commonly uses concrete piles prestressed
with steel strands in bridge foundations due to
their economy of design, fabrication, and
installation. However, when installed in marine
environments, the steel strands are prone to
corrosion and degradation, resulting in costly
repairs or replacement.
Researchers at Florida State University recently
studied the suitability of replacing steel
prestressed strands with carbon fi ber composite
cables (CFCC), an advanced material that does not
corrode. One objective was to demonstrate that it
is possible to grip and stress the carbon strands.
Other objectives were to determine the transfer
and development length of CFCC strands and
investigate the fl exural capacity and drivability of
CFCC prestressed piles.
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