Dynamic Response of Lattice Towers and Guyed Masts
Prepared by the Task Committee on the Dynamic Response of Lattice Towers of the Technical Committee on Special Structures and the Technical Administrative Committee on Metals of the Structural...

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....

Woodrow Wilson Bridge: Soft Ground Challenges in Virginia

Cliff-Hanger
To create an arch bridge over a river gorge in Oregon without disturbing the canyon walls or floor below, engineers combined a segmental construction scheme with a temporary cable-stay...

Making the Most of HPC
Developing high-performance concrete (HPC) was only the first step toward bringing a material with improved durability, strength, constructability, and mechanical properties to the bridge...

A Grand New Bridge
Approximately 65 km south of Seoul, rising above the Asan Bay, the Seohae Grand Bridge now stands as the longest bridge in South Korea. The 9.4 km long cable-stayed bridge, which runs...

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...

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...

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...

Box Girder Balancing Act
On November 18, 1999, cranes lowered into place the last of 202 precast concrete segments that form the main span of the new Sagadahoc Bridge, a $46.6 million crossing that boasts the...

Sum of the Parts
As with all of the bay bridges that serve as life lines to the San Francisco peninsula, the 32-year-old San Mateo Bridge needs strengthening to withstand a maximum credible earthquake...

Protecting Your Work: Balancing the Competing Interests of Ownership
Your firm has invested days, months—perhaps even years—in its latest project. Your staff have poured their thoughts, ideas, and insights into the creation of a bridge, building, overpass,...

Scenic-Bridge Strengthening (Available in Structural Engineering Special Issue only)
Built in 1937, California's Big Creek Bridge—a double-arch crossing with half-arch side spans—was due for a seismic retrofit. Challenged by the structure's unique...

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...

Fast-Track Funding
The South Carolina Department of Transportation has implemented one of the most innovative highway and bridge construction programs in the United States. With creative financing and contracting,...

Urban Public Transportation System of New York City and Its Operation and Use by People
New York City has eleven major bridges and four major auto tunnels reaching within its borders. There are more than 3,000 miles of bus routes in the Greater New York Metropolitan Area...

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...

High-Performance Hybrid
The Nebraska Department of Roads is taking advantage of the new high-performance steel (HPS) to develop a modular, two-girder bridge that will employ standardized hybrid HPS components,...

Suspension Solution
The new bridge across the Carquinez Strait near San Francisco, California, will upgrade an important transportation link across the Sacramento River. This new bridge, which renders the...

Digging for Answers (Available in Geoenvironmental Engineering Special Issue only)
Research at the six facilities that make up the National Geotechnical Experimentation Sites (NGES) has included tests on minipiles, groups of driven piles, shafts drilled in rock, and...

 

 

 

 

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