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Composite Sleeve Local Repair & Reinforcement Method

  • ∙ When localized thickness loss or damage occurs on the exterior of aged piping, filling and reinforcement materials (carbon fiber) are applied.
  • ∙ After molding by filling with a polymer-based filler, the area is wrapped and repaired with a carbon-fiber composite sleeve impregnated with epoxy resin, enabling reinforcement with strength comparable to the original pipe.
  • ∙ Applied to welded joints of new pipes to enhance weld stability and prevent damage-related incidents.
Composite sleeve local repair & reinforcement method image
Category Specifications
Applicable Diameter All diameters
Applicable Area Corrosion-damaged areas, vulnerable areas (weld joints, etc.)
Applied Thickness (No. of Carbon Fiber Layers) 4.06~5.24 mm (4 layers)
Polymer Filling Filler Woven carbon fiber
Impregnation Coating Special carbon-fiber reinforcement coating
∙ Internal Repair & Reinforcement Composite sleeve local repair & reinforcement method image ∙ External Repair & Reinforcement Composite sleeve local repair & reinforcement method image

[Concrete Structure Repair & Reinforcement]

  • ∙ The carbon-fiber reinforcement method maximizes the outstanding strength characteristics of sheet-type carbon reinforced fiber.
  • ∙ It suppresses cracking and improves durability by providing an elastic modulus equivalent to or greater than conventional steel-plate reinforcement methods, and strength close to 10 times higher.
  • ∙ Reinforcement is applicable to retaining walls, slabs, bridge decks, building walls, spillways (flow-guiding structures), and damaged concrete areas such as drop structures.
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