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...

Bangkok Blockbuster
When completed, the 54-kilometer Bang Na-Bang Pli-Bang Pakong Expressway in Bangkok, Thailand, will be the longest elevated expressway in the world. The precast segmental method is being...

Evaluation Findings for R.J. Watson Sliding Isolation Bearings
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...

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)...

Walled In (Available in Geoenvironmental Special Issue only)
Of the many challenging aspects of the $10.8 billion, 7.5 mi long Central Artery Project in Boston, the construction of soldier pile, tremie concrete (SPTC) walls under the existing elevated...

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...

Evaluation Findings for Enidine, Inc., Viscous Damper
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...

Evaluation Findings for Oiles Multiple Viscous Shear Damper (MS-DAMPER)
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...

Evaluation Findings for Taylor Devices Fluid Viscous Dampers
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...

The Warranty Alternative
State highway agencies are investigating such alternative contracting methods as warranties in reaction to decreased budgets and resources. The advantages to warranty contracting include...

Structural Engineering in the 21st Century
This proceedings, Structural Engineering in the 21st Century, contains papers presented at the 1999 New Orleans Structures Congress held on...

Del Webb's Innovative Approach to Master-Planned Community Development
(No paper) The Del Webb Corporation is currently building a master planned development on the northern edge of Maricopa County. The development plan includes a water campus housing a water...

Sheetflow Water Quality Monitoring Device: Results of Nine Month Field Testing
(No paper) The objective of this 30 month research project was to develop a sheetflow sampler for sampling highway runoff. The specific goals of this Small Business Innovation Research...

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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