Publications

Innovative Rehabilitation of Existing Tunnels Under Minimum Impact on Operation

Synopsis: The authors have successfully developed an innovative rehabilitation concept, which meets actual technical standards and minimizes the impact on…

Self-Bearing Shotcrete in Lieu of Self-Consolidating Concrete for Tunnel Rehabilitation

Synopsis: Pennsylvania Department of Transportation’s almost 100 year old Liberty Tunnels underwent significant rehabilitation measures, including the replacement of aging…

Impact of the 2010–2011 La Niña Weather Phenomenon on Terrain Stability and Utilization of Long Tunnels for Mitigation Along the Ruta del Sol Project Alignment in Colombia, South America

Synopsis: The Ruta del Sol Road Project is located in the seismically active Eastern Cordillera of Colombia, South America and…

NATM Excavation and Support Design and Construction of the Caldecott Fourth Bore

Synopsis: The two-lane, 1,036 m long (3,399 ft) Caldecott Fourth Bore opened to traffic in November 2013 and along with…

Istanbul Strait Road Tube Crossing Project: Independent Design Verification Engineer’s Perspective

Synopsis: The iconic Istanbul Strait Road Tube Crossing Project (Eurasia Tunnel) will ease traffic congestion over the Bosphorus Strait separating…

State-Of-The-Art Application of Conventional Tunneling for the Northern Boulevard Crossing – East Side Access to Grand Central Terminal, New York

Synopsis: The East Side Access project in New York City, which will provide a new connection for the Long Island…

Soft Ground to Hard Rock – Versatile Tunnelling Methods in Urban Areas

Synopsis: The implementation of modern tunneling techniques in urban areas provides a way to expand infrastructure with little disturbance to…

Lessons Learned from NATM Design and Construction of the Caldecott Fourth Bore

Synopsis: The Caldecott Fourth Bore is a 15.2 m wide (50 ft), 1,036 m long (3,399 ft) highway tunnel with…

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Innovative Rehabilitation of Existing Tunnels Under Minimum Impact on Operation

Self-Bearing Shotcrete in Lieu of Self-Consolidating Concrete for Tunnel Rehabilitation

Impact of the 2010–2011 La Niña Weather Phenomenon on Terrain Stability and Utilization of Long Tunnels for Mitigation Along the Ruta del Sol Project Alignment in Colombia, South America

NATM Excavation and Support Design and Construction of the Caldecott Fourth Bore

Istanbul Strait Road Tube Crossing Project: Independent Design Verification Engineer’s Perspective

State-Of-The-Art Application of Conventional Tunneling for the Northern Boulevard Crossing – East Side Access to Grand Central Terminal, New York

Soft Ground to Hard Rock – Versatile Tunnelling Methods in Urban Areas

Lessons Learned from NATM Design and Construction of the Caldecott Fourth Bore