Sharp Curves
In Madison, Mississippi, just north of Jackson on Interstate 55, a diamond interchange with State Route 463 has become a bottleneck for commuters and local motorists. But the typical solution�a...

Competitive Edge
A new design system called the simplified economical bridge design (SEBD) makes steel cost-competitive with concrete for short- and medium-span bridges for the first time. In fact, a comparative...

Concrete Delivers
The latest addition to the skyline of Shanghai, China, is a strikingly slender all-concrete 62-story office tower. It is the city's tallest all-concrete building, achieving...

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...

Extended Life Span
The Harlem River Lift Span�part of New York City's Triborough Bridge System�was the largest vertical span in the country at the time of its construction in 1936. The lift...

High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...

Gujarat (Kutch) India M7.7 earthquake of January 26, 2001 and Napa M5.2 earthquake of Sept. 3, 2000
Prepared by the Earthquake Investigation Committee of the Technical Council on Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph describes...

Closing the Gap
In 1944 Congress authorized construction of the Foothills Parkway, a 116 km highway through the Tennessee mountains along the northwestern edge of Great Smoky Mountains National Park....

Evaluation Findings for Seismic Energy Products, L.P. Elastromeric Isolation Bearing
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report presents the results of a detailed evaluation...

Good Vibrations
As advances in material technology and structural efficiency find reflection in structures that are lighter, more slender, and more daring architecturally, design teams must focus more...

Parkway Payoff
A massive cast-in-place segmental bridge over the James River is the most noticeable part of the $325 million Route 895 toll road project in Richmond, Virginia, but the most innovative...

The Transportation Connection
The story of a project as immense as the Port of Los Angeles Pier 400 construction has more than a few subplots, one of which is most certainly the design and construction of the Transportation...

Evaluation of Thermocoax Piezoelectric Weight-in-Motion Sensors
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report describes a program of installation,...

Evaluation of Measurement Specialties, Inc. Piezoelectric Weigh-In-Motion Sensors
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report describes a program of installation,...

Evaluation of the CON/SPAN Wingwall System
This evaluation was performed on CON/SPAN Wingwalls, precast concrete end walls for the CON/SPAN Bridge System developed, designed, and supplied by CON/SPAN Bridge System, Inc....

Calendar: Bridges 2002 Calendar
Featured bridges are: Ironworkers Memorial Bridge (Canada); Deception Pass Bridge (WA); Seohae Grand Bridge (South Korea); Brooklyn Bridge (NY); Clark Memorial Bridge (KY); London.s Tower...

Safeguarding Bixby Bridge
The two-lane arch bridge over Bixby Creek�in Big Sur, California�reflects the Art Deco style popular in the early 1930s, when the crossing was built. Its slender deck and arch ribs appear...

Deep Foundations In the Future (Available in Geo-Environmental Special Issue only)
The design and construction of deep foundations has gone from an art form to a scientifically based engineering practice. Research in this field has improved over the past century and...

The Shape of Things to Come
High-performance steel (HPS) offers improved toughness and durability for bridge construction. This article presents several innovative concepts for HPS structural systems�including I-girders...

Ethics: A Design Responsibility
The design/build method of project delivery, because it largely removes the client from the quality control and assurance process, can lend itself to unethical behavior on the part of...

 

 

 

 

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