Civil Engineering Reference
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(a)
(b)
(c)
(d)
Figure 2.2
Phases of the manufacturing process of GFRP bars: (a) raw glass fibers in rov-
ings; (b) glass fibers drawn through a resin bath for impregnation and a metal
die; (c) solid bar emerging from the curing oven; (d) cured bar ready to be cut
at the desired length.
Figure 2.3
Surface deformation patterns for commercially available FRP bars: ribbed
(top); sand-coated (middle); and wrapped and sand-coated (bottom).
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