Tunnel Reinforcement

Tunnel Reinforcement


Tunnel in Newport News, Virgina



Corrosion of tunnel walls required new steel liner plates. Underground access was limited to only one side



Selected for their unique advantage: Dependable steel-to-steel reinforcement for one-side-only installations





Success Factors:

  • A customized , extra long BoxBolt® was enginered to meet challenging wall density requirements
  • 61,000 BoxBolts® were installed to secure the tunnel structure

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