Smart Sign Support
The Route 80-MAGIC (Metropolitan Area Guidance, Information and Control) project is considered to be the showcase Intelligent Transportation System (ITS) project for the state of New Jersey....
IZMIT (Kocaeli), Turkey, Earthquake of August 17, 1999, including Duzce Earthquake of November 12, 1999
Lifeline Performance
Prepared by the Earthquake Investigation Committee of the Technical Council of Lifeline Earthquake Engineering of ASCE. On August 17, 1999, the Izmit...
Saving the Williamsburg Bridge
The Williamsburg Bridge, which has connected Brooklyn to Manhattan for more than 97 years, is midway through an ambitious 14-year, $800-million reconstruction that will save the venerable...
Rapid Expansion
Dallas Area Rapid Transit (DART) is undertaking an ambitious light-rail expansion program. It already operates a 20 mi (32 km) light-rail starter system in the city of Dallas. Under construction...
Competence or Collapse
Gottshall, the winner of ASCE's Daniel W. Mead Prize for a paper on ethics by younger members, refers to the large-scale damage from recent earthquakes in Turkey as well as...
The Viable Alternative
The Benicia-Martinez Bridge is a high-level, welded deck truss bridge that carries Interstate 680 over the eastern end of the Carquinez Strait near San Francisco. To bring the bridge into...
Golden Gate Update
A comprehensive seismic retrofit is under way to ensure that San Francisco's 2.74-km-long Golden Gate Bridge will remain in operation even after a maximum credible earthquake...
Chi-Chi, Taiwan, Earthquake of September 21, 1999
Lifeline Performance
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE. On September 21, 1999, central Taiwan was struck by a devastating earthquake...
Phase II Evaluation Findings
The Segmental Concrete Channel Bridge System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report represents the second component of the...
Calendar: Bridges 2001 Calendar
Featured bridges are: Whipple Bowstring Bridge (OH); Alsea Bay (Waldport) Bridge (OR); Brush Creek Bridge (KS); Whipple Through Truss (OH); Simon Kenton Bridge (OH); Rogue River (Rock...
Rebuilding a Railroad Bridge
The Peck Movable Bridge and Bridgeport Viaduct is a four-track crossing in Connecticut that serves three rail lines. The 1904 bridge had deteriorated, causing a kink that forced trains...
Bridging Substance with Style
Engineers used an elegant form to come up with a functional solution when designing the new Damen Avenue Arch in Chicago. Two steel ribs, created using heat induction bending, closely...
Cable Access
By moving the expansion joints off the main, cable-stayed span and creating innovative cable connections and tower configurations, Parsons Brinckerhoff Quade & Douglas Inc. (PB)...
Cap of Concrete
The roof of a new $84 million arena in New Orleans was built using techniques usually seen in tied-arch concrete bridges. The concrete components of the roof carry the large compression...
Suspension Bridges Unplugged
The `coupling effect' between the flexible, suspended superstructure and the very stiff cable anchorage in suspension bridges can produce large motions during strong earthquakes....
Forging Ahead
More than a dozen bridges in the United States have been built using HPS 70W grade steel, which has a yield strength of 485 MPa (70 ksi) but superior toughness compared to conventional...
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...
Substructures Stack Up (Available in Structural Engineering Special Issue only)
As part of a 1997 research project sponsored by the Texas Department of Transportation and the Federal Highway Administration, the University of Texas at Austin Center for Transportation...
Structural Engineering in the 21st Century
This proceedings,
Sizing Up Seismic Bearings
Today in the U.S., there are two general technologies available to protect new and existing bridges from the damaging effects of earthquakes. One type, seismic isolation bearings, provide...
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