Strengthening of Reinforced Concrete Beams with Carbon FRP.
Strengthening of Reinforced Concrete Beams with Carbon
Duthinh, D.; Starnes, M. A.
Composites in Constructions. 2001, Swets and
Zeitlinger, Lisse, 2001.
reinforced concretes; beams; carbon; anchorage; carbon
fibers; ductility; flexure; fiber-reinforced polymers;
Seven concrete beams reinforced internally with steel
and externally with carbon fiber-reinforced polymer
(FRP) laminate applied after the concrete had cracked
were tested under four-point bending. Results show that
FRP is very effective for flexural strengthening. As the
amount of steel increases, the additional strength
provided by the carbon decreases. Compared to a beam
reinforced heavily with steel only, the beams reinforced
with both steel and carbon have adequate deformation
capacity, in spite of their brittle mode of failure.
Clamping or wrapping of the ends of the FRP laminate
combined with adhesive bonding is effective in anchoring