Taking in the River
As dams across the country age, so do their intake gates, and testing them requires dewatering. To meet the challenge of dewatering these structures without upsetting sensitive aquatic...
Pipeline Research Needs
Boston's Central Artery/Tunnel Project: Challenging Problems, Innovative Solutions
Boston's Central Artery/Tunnel (CA/T) Project is the largest, most complex highway project ever undertaken in the United States. Conceived a quarter centrury ago, the project...
Seismic in St. Louis
Following collapse of sections of the double-deck I-880 Cypress Viaduct in the 1989 Loma Prieta earthquake, the Missouri Department of Transportation initiated a seismic evaluation and...
Waste Not: The Scottsdale Transfer Station (Available only in Structural Engineering Special Issue)
Scottsdale, Ariz., is one of the fastest growing cities in the U.S. In 1980, it had 88,000 residents; in 1997, it had 170,000. By 2020, demographers expect the population to surpass 275,000....
Construction Safety Affected by Codes and Standards
These five papers present an insight into, and highlights of, some very recent design/construction standardization activities in the US, Canada, Great Britain, Japan and Israel. New performance-type...
Will the Real ISO 14001 Please Stand Up
The importance of ISO 14001 as a management tool, market entry credential, or public and regulatory relations vehicle is different depending on your company, industry, regulatory jurisdiction...
Wonderwall
A Superfund site near Seattle was surrounded by a 2,200-ft-long soil-bentonite wall to keep contaminants from entering nearby water sources. An earlier remediation effort had failed to...
Grand Gusset Failure
In May 1996, structural failure forced the closure of twin 850 ft long arched truss bridges, each carrying two lanes of interstate traffic over the Grand River, 30 mi east of Cleveland....
Telling Florida's Water Story
The latest addition to the nation's family of aquariums is Tampa's recently completed Florida Aquarium. The $84 million 152,000 square foot cast-in-place concrete...
Rock `N' Roll in Cleveland
A glass tent, a cylinder perched on a single column, a collection of squares, rectangles, triangles and circles were amassed in and around a 167 ft tall tower by architect I.M. Pei to...
Accessing Atlantic City
Construction of the 2.2 million sq ft Atlantic City Convention Center is well under way. With 486,000 sq ft of exhibition space, the center and accompanying rail terminal could help restore...
Environmental Site Investigation Guidance Manual
This manual,
Start the Presses!
Turning an existing bleach manufacturing facility into a printing plant required careful structural design to support a wide range of production processes. The new Daily News facility...
Training for Bridge Inspectors in Stream Stability and Scour
The Federal Highway Administration (FHWA) is now requiring a comprehensive evaluation of bridge scour as part of the National Bridge Inspection Standards (NBIS). FHWA has established January...
Chandler Canal Fish Screen Facilities
Diversions from rivers must be protected from negative effects on migratory and non-migratory fish species. Diversions to canals often have to be screened to prevent removal and loss of...
Significance of Geologic Features on the Contaminant Migration from Landfill Sites
Contaminants (leachate) migration pathways in various media at hazardous waste and landfill sites are primarily defined by the local geologic features at such sites, namely:stratigraphy,...
The Last Two Extreme Floods in Germany?Analyses and Consequences
The last two extreme floods in Germany occurred in December 1993/January 1994 and January 1995 within the River Rhine basin with both floods having different causes. In a comparison study,...
Venice, Italy: An Integrated Approach to Solve the Environmental Problems of Its Unique Collection System
The prolonged lack of maintenance of the canals of the city of Venice, Italy, has caused a build-up of sediments resulting in a frequent occurrence of the low waters which has ultimately...
Impacts of NAFTA on Environmental Engineering
This paper addresses recent developments in the environmental sector under the North American Free Trade Agreement (NAFTA). The North American Free Trade Agreement (NAFTA) represents a...
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