Making the Transition
Completed in March, the Thornton Transitional Reservoir, south of Chicago, is providing immediate flood relief and water quality benefits more than decade before a larger storm-water reservoir...

Restoring PATH
Service from northern New Jersey to lower Manhattan on the Port Authority Trans-Hudson (PATH) commuter rail system will soon be restored thanks to a speedy rehabilitation of tunnels and...

High-Profile Tunneling
When a flood left a considerable amount of debris in its wake the replacement of a hydroplant's tailrace high in the Peruvian Andes presented formidable challenges....

The Big Dig's Big Dig
Widely recognized as the most demanding component of Boston's Central Artery/Tunnel Project, the tunnel jacking work performed beneath operating rail tracks represents a quantum...

Advancing Under London
Bored tunnels account for more than 20 percent of the Channel Tunnel Rail Link, the high-speed rail line that will connect the Channel Tunnel with London upon its completion in 2007. In...

Singapore on the Move
Tunneling in areas that are densely populated and highly developed is never easy, but an addition to Singapore's Mass Rapid Transit system was needed to serve those in the...

Tunneling into the Future
The Chattahoochee Tunnel will increase the wastewater transport capacity of a suburban Atlanta county while greatly reducing the possibility of sanitary sewer overflows into the Chattahoochee...

Water for Ahwatukee
Scheduled for completion in August, the South Mountain Water Facilities pipeline will increase drinking water capacity to the community of Ahwatukee Foothills, a rapidly growing south...

Strength from Within
After decades of being continuously struck by rockfalls and wayward vehicles, Knapps Hill Tunnel—a highway structure built in 1936 and located on state Route 97A in central Washington...

Uses and Limitations of Conventional Hydraulic Models in the Planning and Design of Storage Tunnels
The hydraulic design of storage tunnels requires special considerations relative to the design of conventional sewers. These issues include characterization and control of inflows, energy...

Shotcrete Development in Brazil

How to Use Modern Wet Mix Shotcrete Technology for Single Shell Permanent Tunnel Linings

Single-Shell Permanent Lining: Reflections from the Structural Point of View

Behaviour of Early-Age Shotcrete

Early Strength and Physical Properties in Accelerated Shotcrete

Early Age Properties of Shotcrete

Single-Shelled Shotcrete Lining Aspects and Application in Central Europe

Calcium Sulfo-Aluminate Based Accelerator for High-Strength Shotcrete in Japan

Early Developments of Shotcrete and Steel Fiber Shotcrete

The Acapulco Vehicular Tunnel

 

 

 

 

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