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Manufacturing
The pultrusion process is used to
manufacture the composite sheet pile. Materials such as glass
reinforcements and a premium-grade polyester resin containing a
UV inhibitor are used to give the product corrosion resistance
and required strength. Color and other characteristics can be
designed into the profile by changes in the resin mixture and
reinforcement materials.
However, FRP composite marine
piles and timbers are manufactured in a two-step process. First,
the FRP rebar, upon which the product relies for its strength is
pultruded. Second, the FRP rebars are positioned in a mold, and
combined with chopped glass fibers that reinforce a
polyethylene-based matrix through continuous extrusion process.
The tough outer skin is applied through co-extrusion.
Installation
FRP composite sheet piles are
lightweight for ease of installation and can be installed using
standard piling installation equipment such as impact hammer,
vibrating hammer and water-jet equipment. All field cut and
drilled edges, holes and abrasions are sealed with resin. The
sealing of the edges prevents fraying at the field cut edges.
Upon completion of the composite sheet pile installation, a cap
is used to close off the top of the pile and also as a waler to
increase the overall strength of the total system. The cap
product is a pultruded profile designed to fit on top of the
respective product.
FRP composite marine piles and
timbers have a similar density to wooden products of a similar
cross-section. Standard installation methods are used to lift
and handle, drive, vibrate or jet, and to cut and drill the
products. Carbide tip tooling is required for cutting &
drilling. The exposed ends of composite piles and timbers
require no special sealing. Traditional fasteners are used to
connect composite piles and timbers to each other and to the
dock.
QuickLink to Products:
Creative Pultrusions, Inc.
Seaward, a division of Trelleborg
Engineered Products
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