The Human Side of L.A. Metro
Encino, Calif.-based photographer Ken Karagozian was given access to the construction of L.A. Metro's Red Line. Karagozian tries to capture not only the scope of the work...
Boston Blockbuster
The Central Artery/Tunnel project in Boston is probably the single largest publicly-funded transportation project in the country at present. The total cost will be between $8 and $10 billion...
Underground Contracts for the 21st Century
Noting that support for the guidelines for underground construction put forth by ASCE's Underground Technology Council has been eroding, the author addresses current issues...
On Target: The Arrowhead East and West Tunnels
Two new water tunnels in Southern California will feature continuous impermeable linings, extensive probing and grouting, and unique seismic sections to minimize damage in fault zones...
Portland's Light Rail Goes Underground
A 29-km extension of Portland's first modern light rail system nears completion. The extension includes a 4.6 km twin-tunnel section and the deepest transit station in North...
Hawaii's Interbase Interstate
Connecting two major military installations, Hawaii's third Interstate highway (H-3) is the largest ($1 billion) HDOT project to date as well as the longest in time (planning...
Hong Kong Flies into the Future
Hong Kong's new airport, Chek Lap Kok, is scheduled to open in 1997. That is the year in which China takes over the government of Hong Kong from Great Britain. The airport,...
Grouting Through a River
A regional sewer district in Ohio is implementing a master plan to separate storm and sanitary flows, decommission some old treatment plants and upgrade others. Part of the plan, the West...
Soft Ground Not Easy Ground for TBM
The King County Department of Metropolitan Services (formerly called Metro), faced with the need to transfer wastewater from the West Seattle drainage basin to a secondary treatment plant...
San Francisco CSO
Today, even a light rain can overload San Francisco's combined sewer overflow (CSO) system, sending untreated sewage and stormwater into the bay and ocean. This is especially...
Piggyback Tunnels
Coincidental alignments of the Central Artery Tunnel and the Transitway subway line under the streets of Dewey Square in Boston presented the sponsoring agencies with a rare opportunity...
Shotcrete for Underground Support VII
This proceedings consists of papers presented at the Shotcrete for Underground Support VII Conference held in Telfs, Austria, June 11-15, 1995. It covers three broad themes concerning...
Camden Composting
The 201 Facilities Plan for Biosolids Management prepared for the Camden County Municipal Utilities Authority (CCMUA) recommended in-vessel composting as the ultimate biosolids disposal...
Here Comes the Sun
This article is an overview of recent developments in alternative and renewable energy technologies. The entire field is reviewed and four energy sources likely to impact short-term markets...
Deep and High in Hawaii
The First Hawaiian Center, headquarters of the First Hawaiian Bank, will be the tallest building in Hawaii when it is completed in 1996. The unusual design, by architects Cohn Pedersen...
Rest in Peace
Engineers working on a subway connection project in the nation's capital successfully employed chemical grouting techniques--some never tried before--to protect a historically...
Study of Interaction Between Pneumatic Spherical and Cylindrical Form Shells Subjected to Wind Pressure
In the design of pneumatic membrane structures, analysis of stress and deformations of structures subjected to wind is among the most important requirements. For the purpose of studying...
The Winds of Change?
In 1992, Hurricanes Andrew and Iniki combined to generate an estimated $30 billion in damage. The storms also generated their share of reports and recommendations about how best to mitigate...
Depressing Traffic Top-Down
Top down construction will permit the City and County of Denver to maintain traffic at two congested intersections while a tunnel is driven below them. The project, which will carry Speer...
Helium-3 on the Moon: Model Assumptions and Abundances
Solar-wind particles are present in the outer few 100 angstroms of each soil particle of the Moon. Of particular interest, are the volatiles hydrogen (40-100 ppm) and helium (5-45 ppm)....
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