Project Description
COMPOSITE REPAIR TECHNOLOGY
SERVICE INFORMATION
Fiber reinforced polymers (FRP) composites can dramatically increase a structure’s carrying capacity. FRP composite systems offer a low-cost, low-downtime, and low-weight solution for increasing the performance and lifetime value of structural steel while improving stability in seismic events.
Composites that Protect and Strengthen
Structural strengthening systems are made of high strength fibers such as glass, Kevlar, and carbon embedded in resin. The resin protects the fibers, maintains their alignment, and distributes the loads evenly among them. FRP’s, which have been widely used in industries such as aerospace, automotive, and sport equipment, are now becoming used extensively for the structural upgrade of steel and concrete structures.
Experts in the Field
Important characteristics of FRP’s for structural repair and strengthening applications are their non-corrosive properties, timeliness and ease of installation, low cost relative to demo and reconstruction. FRP materials can be adhered to beams and slabs to increase their shear and flexural capacity, and can be wrapped around columns to increase their load carrying capacity and ductility during seismic events.
FRP systems may also comprise of pre-manufactured strips and plates that are bonded to structural slabs, steel, deck, etc. using epoxy resin. Pre-cured FRP elements are more suited for flexural upgrade of columns, beams, and slabs. As with any other externally bonded system, the bond between the FRP system and the existing concrete is critical to achieve a composite behavior with the existing member. Accordingly, the most current National Association of Corrosion Engineers, and Society of Protective Coating Standards are used for proper surface preparation for ensuring a successful FRP structural upgrade.
High tensile strength
Non-conductive
Minimum disruption to operating facility
Low weight
High strength to weight ratio
Excellent fatigue behavior
Low downtime
Low cost
Ability to contour existing structures
Minimum change to dimensions and weight of strengthened elements
Engineered design
Internal repair to below grade PCCP pipe avoiding costly excavation
External repairs, even with active leaking can be performed on any size pipe
Process tanks can be easily repair after suffering structural damage due to corrosion
Seismic retrofitting of steel, concrete, and masonry structures
Concrete columns and beams where rebar loss has eroded structural value
Increasing load capabilities without adding substantial weight or obstruction and without welding or hot work
Protection of structural integrity and control systems in severe blast conditions
Blast and ballistic upgrade of structures to shield structure, strengthen existing structural elements, provide alternate load paths to prevent progressive collapse, and offer debris control
QUALITY GUARANTEE
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OFFICE LINE
314.739.1081
TOLL FREE
1.800.628.4145
WORKING HOURS