Tunnel Reinforcement

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

SOLUTION: BoxBolt® was selected for their unique advantage: Dependable steel-to-steel reinforcement for one-side-only installations

Success Factors:

- A customized , extra long BoxBolt® was engineered to meet challenging wall density requirements

- 61,000 BoxBolts® were installed to secure the tunnel structure

boxbolt blind bold fastener

The Original BoxBolt®

The BoxBolt, also known as Blind bolt fasteners, are used for faster, easier, blind structural connections suited for every environment and application. The BoxBolt is often used on high profile projects where building aesthetics are essential, and can be adapted to suit the requirements of our client and the architect to make the connection pleasing to the eye Check out our case studies to learn more about how the BoxBolt has been used in a variety of specific applications:
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