A Bridge Along the Same Lines
Engineers in Tennessee were recently charged with building a new viaduct in an old profile, while at the same time keeping headroom for the trains and keeping off the neighbors'...

Smooth Take-Off
Rough runway pavement can make for a bumpy flight and nervous passengers. The Port Authority of New York and New Jersey uses an advanced software package to detect and mitigate rough spots...

A Bumpy Road
The Wisconsin Department of Transportation (DOT) was among many state and local agencies to develop a comprehensive pavement management system in the late 1980s. Its system was unique...

Observation and Modeling in Numerical Analysis and Model Tests in Dynamic Soil-Structure Interaction Problems
Experimental and analytical studies have both involved soil-structure interaction. Experimental studies offer an opportunity to directly observe the complex phenomena, while analytical...

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...

Aircraft/Pavement Technology
In the Midst of Change
This proceedings, Aircraft/Pavement Technology: In the Midst of Change, includes papers presented at the 1997 Airfield Pavement Conference...

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....

Seismic Analysis and Design for Soil-Pile-Structure Interactions
Pile foundations are used extensively to support structures in seismic regions around the world. For years, geotechnical engineers have neglected to consider the interaction soil-pile...

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...

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....

Asphalt Update
Of the $150 million spent in the five-year Strategic Highway Research Program (SHRP), $50 million went to research to improve the durability and cost-effectiveness of asphalt pavements--on...

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...

Pavement Management Pays Off
Pavement Management Systems are paying off at various agencies from municipal to state levels. Its PMS consultant enabled the city of Oakland, Calif. to convince FEMA to pay for indirect...

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...

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...

Evaluation of Potential Impacts to Endangered Species that Use Wetland Areas: A Case Study
A proposed runway extension in an airport adjacent to a large riverine system and containing a small perennial branch of the riverine system would result in loss and modification of forested...

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...

Sanata Ana River Project Environmental Compliance with the National Environmental Policy Act (NEPA)
The National Environmental Policy Act(NEPA) was first enacted in. 1969, and became effective as of January 1, 1970. The law was intended to ensure that balanced decision-making occurs...

Immobilization of Metals and Solids Transported in Urban Pavement Runoff
Urban areas in North America continue to grow in size and population. With this growth is an increase in automotive traffic, roadway pavement and deleterious anthropogenic constituents....

 

 

 

 

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