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 Gallery The Original Boxbolt® Blind bolt fasteners for faster, easier, blind structural connections suited for every environment and application. See Product Page Execution BoxBolt Structural Anchors Application Methods See All BoxBolt Structural Anchors Applications See All BoxBolt Structural Anchors Applications More Case Studies One World Trade Center One World Trade Center is the largest of a series of buildings in the area that is known as Ground Zero. This 16 acre site includes the National 9/11 Memorial. View Case Study Moody Center Arena, UT, Austin, TX The Moody Center will be the University of Texas’ new arena for hosting athletic and concert events. View Case Study FedEx Distribution Center, Stockton, CA LNA worked with Western Industrial Contractors to create a design using BeamClamp that is both more structurally effective and cost efficient while providing superior service. View Case Study See All Case Studies