Seismic Analysis and Retrofit of the Amoskeag Bridges
In 1983 AASHTO first offered the design guide for seismic analysis of bridges, which ultimately became a permanent part of the AASHTO Bridge Design Manual in 1990. Prior to this time,...
A Guide for Best Management Practice (BMP) Selection in Urban Developed Areas
With the ongoing NPDES Stormwater Permits, TMDL programs, and the increase in environmental awareness, many municipalities are challenged to address the relatively new concept of cleaning...
High-Tech Isolation
In the fast-paced world of telecommunications, the time to market is often the deciding factor in the success of an enterprise. With that thought in mind, AboveNet Communications, Inc.,...
Holding Steady
The San Diego�Coronado Bay Bridge is an unmistakable landmark that frames the skyline of downtown San Diego, providing a vital link between the mainland and the Coronado peninsula. The...
Replacement Strategy
Water Works II, a $275-million water treatment plant currently under construction in Detroit, is redefining the way that such projects are let and built. In 1980 the city initiated a program...
Liner Lessons
The County Sanitation Districts of Los Angeles County comprise 25 independent special districts that cover a service area of approximately 770 sq mi (1,990 km�). Since the early 1990s...
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...
Taking a New Approach (available in Structural Engineering Special Section only)
The first bridge rehabilitation project in Washington, DC to use the AASHTO Load and Resistant Factor Design (LRFD) specification reveals several lessons to be learned from using the newly...
Quality Check
Composite materials, also known as fiber reinforced polymers (FRPs), have traditionally been reserved for aerospace engineering applications because of their high cost. FRPs'...
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...
Concrete Connections
A new application of polymer composites involves the repair and rehabilitation of reinforced concrete frame connections. Test results from a pilot study conducted at the California State...
Making the Connection
This article details the results of a pilot research project on the use of polymer composites and high-strength adhesives for the structural repair of damaged steel frame connections....
Main Line Mending
Both the Washington Suburban Sanitary Commission (WSSC), of Laurel, Maryland, and the Providence Water Supply Board, of Rhode Island, are conducting massive, multimillion-dollar rehabilitation...
Relining a Relic
By the mid-1980s most of the Boston Low Service water supply network had been in operation for more than 100 years�with little regular maintenance. Many of the system's air...
Instrumentation of Embankment Dams and Levees
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 26. Whether analyzing data to determine the competency...
Pipeline Safety, Reliability, and Rehabilitation
This proceedings,
Considering the Options (Available in Structural Engineering Special Section only)
In work for the Missouri Department of Transportation (MoDOT), Sverdrup Civil, Inc. performed a seismic evaluation and developed a seismic retrofit strategy for the Poplar Street Bridge...
Smokestack Rescue
The site of an abandoned cement plant was transformed, via rehabilitation and new construction, into a $56 million retail and entertainment complex. The most prominent visual landmarks...
Risk-Based Decision Making in Water Resources VIII
This volume,
Bridge Within a Bridge
A multinational consortium retrofitted the Tagus River suspension bridge in Lisbon, Portugal. The retrofit included widening the roadway deck from five to six lanes, installing a railroad...
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