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advanced composites in bridge construction and repair pdf

Advanced composites such as fi ber-reinforced polymer (FRP) are promising
materials for civil infrastructure application. Despite their relatively short
history in research and implementation, signifi cant advances have been
made over the last two decades. Federal and municipal agencies now accept
these non-conventional construction materials.


Practitioners are eager to
use them for their projects to improve the sustainability of constructed
structural members. The objective of this book, Advanced Composites in
Bridge Construction and Repair , is to identify current scientifi c challenges
facing the infrastructure community, and to address them for the benefi t of
the general public, technically and socioeconomically.



A total of ten chapters
have rigorously been reviewed and selected for publication. The authors of
each chapter are considered experts and leaders in the research community. Technical contents include use of advanced composites for bridge construction and performance monitoring, prestressed FRP composites, bondbehavior of the comp

osite–concrete interface, non-conventional composite
honeycomb bridge decks and all composite superstructures, and repair of
deteriorated bridges. The emphasis of this book is placed on fundamental
research issues and practical application on site. Advanced Composites in
Bridge Construction and Repair provides critical information to practicing
engineers, government offi cials, and academics.


There is no doubt that the
compilation of the state-of-the-art technologies will advance our knowledge-oriented society, in particular constructed civil infrastructure. The
editor gratefully acknowledges Ms Emily Cole and Mr Francis Dodds at
Woodhead Publishing for their tireless professional service.

Because of their high strength and low density, fi ber-reinforced polymer
(FRP) composite materials have been widely used in the aerospace and
automotive industries since the middle of the last century. FRP composites
do not corrode in concrete in the way steel does. Goldsworthy (1954) predicted that FRP composites could be used as reinforcements in concrete and
as structural members subject to corrosive environments.


Glass fi ber reinforced polymer (GFRP) rods were used fi rst as reinforcements for concrete
buildings. Since the late 1980s, FRP rebars have been used more extensively
in concrete structures, especially in highway bridge decks, because of their
resistance to corrosion (Bank, 2006). For the same reason, FRP composites
have been used more and more widely when repairing and retrofi tting deteriorated bridge superstructures, to reinforce bridge decks, girders and piles,
and when replacing structural members (e.g. decks). FRP materials are also increasingly being used in bridges because new manufacturing techniques
have reduced their cost (Telang et al ., 2006).


Although FRP materials have
been used in the manufacture of missiles, planes, cars, boats, tanks, sporting
goods, etc. for over half a century, their use in building bridges is still relatively recent. How well FRP composites in bridges will perform in the long
term is one of our major concerns. Therefore, a monitoring program is normally set up to examine the behavior of FRP composites in demonstration
bridges constructed around the world.