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...
Tunnel with Vision
Two tunnel boring machines that are being used to bore a pair of 6.6 km long tunnels under the Westerschelde estuary in the southern Netherlands must dig through loose sand and sticky...
Transporting Hong Kong
In response to a mobile, rapidly growing population, Hong Kong's Kowloon-Canton Railway Corporation is constructing West Rail, a HK$51.7 billion (U.S.$6.7 billion), 30.5 km...
Monitoring Two Tunnels
Two pilot projects for bored tunneling in soft soil have been undertaken in the Netherlands under the authority of the Centre for Underground Construction: the Second Heinenoord Tunnel...
Shotcrete for Underground Support VIII
This proceedings contains papers presented at the Eighth International Conference on Shotcrete for Underground Support, which took place in Campos do Jord?o, Brazil, in April 1999. It...
Redesigning the San Roque Dam
Engineers updated a 20-year-old design for the San Roque Dam in the Philippines to save time and money and improve the dam's ability to withstand earthquakes. The structure...
Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...
Life at the End of the Tunnel
Deadly tunnel fires in Europe have raised new concerns about tunnel fire safety around the world. Modifications to structures, mechanical systems, and operating procedures can make new...
Pushing Back
(Available on in special edition) The design for the $3.5-million Cameron Run tunnel rehabilitation project involved a tricky and relatively unproven method of pushing corrugated steel...
Speeding Across Spain
Spain is extending its high-speed rail system�the Alta Velocidad Espa�ola (AVE)�to include a line running from Madrid to Lleida, with stops in Guadalajara and Zaragoza. The line will extend...
Outstanding Civil Engineering Achievement Award and Award of Merit for 2001
The outstanding civil engineering achievement award (OCEA) recognizes civil engineering projects that contribute to community well-being, demonstrate resourcefulness in planning and solving...
Tunneling with Care
The Mission Valley Light Rail East extension was to run just north of San Diego State University (SDSU), and was to be constructed using a tunnel-boring machine (TBM). But the Metropolitan...
Tunneling beneath Cairo
The second phase of the Greater Cairo Metro system in Egypt included many geotechnical challenges. Thirteen kilometers of the 19-km heavy rail line were constructed underground within...
Water In, Water Out
Moving water into and out of the Eastside Reservoir, which will be the largest body of freshwater in southern California, requires some of the largest pumping and water conveyance systems...
Two-in-One Tunnel
Engineers are converting the 2.6 mi (4.2 km) Anton Anderson Railroad Tunnel that connects the isolated town of Whittier, Alaska, to the rest of the state into a combination highway-railroad...
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