Rectification Works

Concrete Repair

Typical Problems

  • Cracks 
  • Spalling 
  • Void/Honeycombing
  • Erosion
  • Basement leakage
  • Fire damage/Chemical attack
  • Rebar corrosion

Typical Repair Methods

  • Epoxy injection
  • Polyurethane grouting
  • Shotcrete / gunite
  • Prepacked pressure grouting 
  • Form & cast in-place grouting 
  • Hand applied patch repair
  • Overlay repair

Structural Strengthening

Typical Problems

  • Structural alteration
  • Understrength concrete
  • Increase in loading
  • Underprovision of rebars
  • Ground settlement/Lateral movement

Typical Repair Methods

  • Steel plate bonding/Steel strengthening
  • Carbon fibre reinforced 
    polymer
  • Manomer impregnation
  • Enlargement of sections
  • External pre-stressing
  • Underpinning

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