Beltway Connection
The Woodrow Wilson Memorial Bridge carries the Capital Beltway (I-495) and a part of I-95�the main north�south interstate route on the East Coast�across the Potomac River south of Washington,...
Rehabilitation of the Packers Falls Bridge
The Packers Falls Bridge was constructed in 1912 and consists of a 42' (12.8m) single span, reinforced concrete arch structure. This bridge was constructed using a unique forming system...
Structural Lumber from Small-Diameter Western U.S. Softwood Trees
The purpose of this study was to determine the mechanical properties, and corresponding economic value, of dimension lumber produced from selected over-stocked forest stands of small-diameter...
Small-Diameter Round Timber Connections
An over stocking of trees having diameters less than 20 cm, as measured 1.52 m off the ground presents a major fire hazard to over 54 million acres of National Forest land. Improving the...
Composites Enhance Timber Bridges
Two relatively new technologies are available for reinforcing or strengthening timber bridges with fiber-reinforced polymers (FRPs). The first consists in reinforcing the tension side...
Guidelines for Inspection and Monitoring of In-Service Penstocks
This volume provides a guide to information and engineering techniques for inspection and monitoring of in-service penstocks. This guide covers penstocks constructed of steel, concrete,...
Closing in on Approval
A lack of qualification criteria and design standards has hindered some engineers from using fiber-reinforced polymers to restore concrete structures. But several organizations�among them,...
New Bern Bypass
To alleviate congestion and offer tourists easier access to their destinations, the North Carolina Department of Transportation decided to reroute U.S. Route 17 out of the historic town...
Re-Creating the Rainbow Bridge
A team of American and Chinese experts constructed a pier-free arch bridge in China based only on a 12th century...
Covered Bridge Connection (Available in Structural Engineering Special Issue only)
A 145-year-old timber bridge in Downsville, New York, now rests on the longest glue-laminated wood beams ever produced in the United States. Six 53 m (174 ft) long chords were threaded...
Structural Engineering in the 21st Century
This proceedings,
Power Struggle
The Florida Light and Power Company could have replaced its deteriorating, H-shaped wooden power poles in the Tomoka River with exact duplicates, but they chose to use hybrid steel-and-concrete...
Traditional Engineering Takes a Turn for the Future Decommissioning Dams and Restoring Ecological Integrity
(No paper) This paper will address the emerging shift evaluating the true value of dams and the importance of including the costs of the initial construction and investments required for...
Exacting Renovation
In the heart of Greenwich Village a building that would typically be demolished given its current condition has been saved and restored with careful engineering and a precise demolition/construction...
On the Wild Side
Designers of today's roller coasters are constantly looking for new ways to exhilarate riders, from higher drops to tighter turns to launch mechanisms that exert more force...
Domesticating Steel
Residential contractors, nervous about fluctuations in lumber prices and quality, would welcome steel framing into the housing market if the necessary infrastructure were in place. Despite...
Wood Engineering in the 21st Century
Research Needs and Goals
These proceedings,
Federal Triangle Finale
At 3.1 million sq ft, the Ronald Reagan Building and International Trade Center is the second largest U.S. federal building ever constructed; only the Pentagon is larger. After more than...
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...
Timber!
For engineers accustomed to working with steel, using large wood beams in structural applications can be an unusual experience. Three Midwestern construction projects�a nature center,...
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