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Injection Practices > Civil Infrastructure

Bridge & Overpass Injection

Bridge Pillar and Deck Structural Injection

Bridge structures are subject to extreme environmental conditions and constant dynamic loading from heavy traffic. Bridge Injection is a specialized repair technique used to restore structural integrity, seal joints against water ingress, and prevent the corrosion of post-tensioning cables and steel reinforcement in Egypt's highway networks.

Structural Crack & Joint Sealing

Cracks in bridge piers and abutments allow moisture and chlorides to penetrate deep into the concrete, leading to rebar expansion and spalling. EG Core utilizes Low-Viscosity Epoxy Injections for structural bonding and Flexible Polyurethane for moving cracks. This ensures that even under the constant vibration of transit, the seal remains intact, protecting the bridge's core load-bearing capacity.

Bridge Engineering Specifications

  • Key Targets: Abutment walls, bearing seats, and segmental bridge joints.
  • Injection Materials: High-modulus epoxies and elastomeric PU resins.
  • Primary Goal: Structural reinforcement and prevention of chloride-induced corrosion.
  • Compliance: Meets international standards for civil infrastructure rehabilitation.

Post-Tensioning & Void Grouting

Voids within post-tensioning ducts can lead to the catastrophic failure of cables due to oxidation. Our precision Resin Grouting techniques ensure that all internal cavities are completely filled with non-shrink, corrosion-inhibiting materials. This process is vital for the long-term safety of flyovers and cable-stayed bridges where cable integrity is the foundation of the structure.

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