Pounding the Pavement
As state transportation departments continuously maintain and repair worn roadway surfaces, research engineers in nearly every state are racing to find ways to increase pavement life....
Net Gains
Project Web sites can be as simple as a repository for drawings and documents or complex enough to allow real-time dialogue between interested parties and project monitoring. One of GZA's...
Brownfields by the Book
To spur the redevelopment of brownfield properties, many state legislatures have passed laws that allow developers to revitalize contaminated industrial sites without the high risks or...
Sell-Off
In 1996, the city of Fairbanks, Alaska, offered its Fairbanks Municipal Utilities System for sale to private bidders. Four different entities assumed ownership of the water and wastewater,...
Dealing with DNAPLs
Trichloroethylene (TCE) in groundwater is one of the most prevalent contamination problems at hazardous waste sites; a problem that is substantially greater if the TCE is present as dense...
Shake, Rattle and Hold (Available in Structural Engineering Special Issue Only)
In-situ lateral load tests of two bridge bents were conducted on Interstate 15 in Salt Lake City, Utah, to determine the strength and ductility of an existing concrete bridge and the improvements...
Building Between Buildings (Available in Structural Engineering Special Issue Only)
Construction of tall buildings in the centers of the world's large cities almost invariably involves working within severe site constraints. The constraints can involve all...
Discovering Your Niche
Small consulting engineering firms often find themselves working on multiple projects and heading in no clear direction, and eventually quality begins to suffer. The solution is to concentrate...
Alaska's Last Link
Alaska's Seward Highway has been upgraded this past year. The last section of the highway dates back to the state's early mining days in the Kenai Peninsula,...
Wetland Wonder
Pinellas County and the Southwest Florida Water Management District's Surface Water Improvement and Management (SWIM) Department jointly retrofitted an urban drainage basin...
Bottoms Up
Placement of dredged material in an environmentally beneficial manner appears to be the trend for the future, considering the economics as well as the increased environmental consciousness...
Cementing the Future
One of the most devastating effects of the Loma Prieta Earthquake that rocked northern California on Oct. 17, 1989 was the collapse of the elevated Cypress Freeway (Interstate 880) in...
Below Boston's New Bridge
The Charles River Bridge, a 10-lane cable-stayed structure will be the widest cable-stayed bridge in the world. The bridge is 1,460 ft long with a main span between towers of 745 ft. This...
Bioremediation in the Highway Environment
Three Case Studies
Prepared by the Environmental Technology Evaluation Center (EvTEC) and the Highway Innovative Technology Evaluation Center (HITEC), CERF Service Centers. ...
Opportunities in Asia
An Assessment of Construction Trends, Needs, and Potential Collaborations
Prepared by Civil Engineering Research Foundation. This book presents findings of a 1996 technology assessment mission to East Asia that examined the...
Calendar: Bridges 1999 Calendar
Featured bridges are: Cornish-Windsor Covered Bridge (NH); John A. Roebling Bridge (KY); Bollman Truss Bridge (MD); Eads Bridge (MO); Brooklyn Bridge (NY); Manhattan Bridge (NY); High...
Historic American Covered Bridges
Covered wooden bridges are a visual testament to the American spirit. Originally designed with roof-like covers to protect the exposed wood from the effects of sun and rain, these bridges...
Northumberland's Ice Breaker
Extending more than 12.8 km over treacherous waters, the new Northumberland Strait Crossing had to go a long way to finally join the last separate Canadian province to the mainland. Design...
Compensation Grouting
To minimize ground movement while tunneling a sewer 5 m below Toronto's Spadina subway line, engineers used special instrumentation, tunneling control and grouting to limit...
Stressing Masonry's Future
Post-tensioning techniques are expanding the possibilities for masonry in building and bridge construction. Two projects in Britain and the U.S. show the rewards of rethinking approaches...
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