Examination of Shotcrete Liner at Devil’s Slide Tunnel Utilizing ASTM 1550 Field Test Results and Back Analysis

Synopsis: The Devil’s Slide Tunnel project, located south of San Francisco along Highway 1, consists of twin bore tunnels approximately … Read more »

Experience With Synthetic Fiber Reinforced Initial Shotcrete Lining At The Devil’s Slide Tunnel Projects

Synopsis: The conventional tunnel design of the Devil’s Slide Tunnel project near San Francisco, California anticipates relatively large deformation in … Read more »

Fiber Reinforced Shotcrete for Tunnel Linings

Synopsis: The use of shotcrete for ground support is well established since several decades. However, the development of high quality … Read more »

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 … Read more »

Shotcrete Constructed Cut and Cover Tunnel Portal

Synopsis: The reconstruction of the Weehawken Tunnel for the New Jersey Transit Hudson-Bergen Light Rail System is about to be … Read more »

Shotcrete for Tunnel Final Lining – Design and Construction Considerations

Synopsis: The use of shotcrete for tunnel final linings has gained increased popularity on a national and international basis. The … Read more »

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 … Read more »

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 … Read more »

Use of Synthetic, Fiber-Reinforced, Initial Shotcrete Lining at Devil’s Slide Tunnel Project in California

Synopsis: Fiber-reinforced shotcrete is widely used as a temporary excavation support in the construction of transportation tunnels and in other … Read more »