Ocean Wave Kinematics, Dynamics and Loads on Structures
An international symposium on
Keeping Tabs on Two Tunnels (available in Geoenvironmental Special Issue only)
Engineers devised a unique liquid level monitoring system to check vertical movements in 90-year old twin subway tunnels. Construction for the Boston Central Artery/Tunnel project requires...
Solid Footing (available in Geoenvironmental Special Issue only)
The new $500 million Arrowhead Regional Medical Center in San Bernardino, Calif., sits near two fault lines. The importance of the facility and the sensitivity of the area made seismic...
Climate Control
The Wisconsin Department of Transportation (WisDOT) has created its own customized weather information system to improve efficiency in its winter road maintenance operations. Intended...
Express Design
Milwaukee's high-stakes effort to win its share of the lucrative convention market hinges on its new Midwest Express Center, a 670,000-sq-ft exhibition and convention complex....
Shake It Up (Available in Structural Engineering Special Issue Only)
The California Department of Transportation (CALTRANS) has used structural lightweight concrete for more than 45 years in bridges across the state. Lightweight concrete�made with aggregates...
Long-Term Effects of Suspended Solids Loads on Constructed Wetland Performance
Discussion session summary....
Sky High
The increasing demand for personal communication services (PCS), such as digital cell phones and pagers, as well as digital television (DTV), has created new challenges for creating and...
The Invisible Infrastructure
Most developed countries have 50- to 100-year-old underground utility systems that carry far greater loads than their designs. They're difficult to repair or replace, yet...
Shake, Rattle and Hold (Available in Structural Engineering Special Issue Only)
In-situ lateral load tests of two bridge bents were conducted on Interstate 15 in Salt Lake City, Utah, to determine the strength and ductility of an existing concrete bridge and the improvements...
A Bridge Along the Same Lines
Engineers in Tennessee were recently charged with building a new viaduct in an old profile, while at the same time keeping headroom for the trains and keeping off the neighbors'...
On Solid Ground (Available only in the Geoenvironmental Special Issue)
On four transportation projects in Portland, Ore., soil nails and micropiles are used as alternatives to conventional earth-retention and foundation systems. The use of soil nails and...
Seismic and Dynamic Analysis and Design Considerations for High Level Nuclear Waste Repositories
This committee report was created to fulfill two primary objectives: 1) to provide guidance for assessing and defining the dynamic loads that must be considered in the design of a repository...
Building Tension in Buffalo
The National Hockey League's Buffalo Sabres have a new home, topped with an unusual tension-braced domed roof. An ingenious combination of dome designs, the Marine Midland...
Design of Hydraulic Steel Structures
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 22 This manual prescribes guidance for designing hydraulic...
Wind Loads and Anchor Bolt Design for Petrochemical Facilities
Current codes and standards do not address many of the structures found in the petrochemical industry. Therefore, many engineers and companies involved in the industry have independently...
Boston's Central Artery/Tunnel Project: Challenging Problems, Innovative Solutions
Boston's Central Artery/Tunnel (CA/T) Project is the largest, most complex highway project ever undertaken in the United States. Conceived a quarter centrury ago, the project...
Seismic in St. Louis
Following collapse of sections of the double-deck I-880 Cypress Viaduct in the 1989 Loma Prieta earthquake, the Missouri Department of Transportation initiated a seismic evaluation and...
New Uses for Old Bridges
As historic bridges age, they are often rendered useless by modern load requirements and codes. Many had been abandoned or demolished. In 1991, however, the ISTEA created new provisions...
Waste Not: The Scottsdale Transfer Station (Available only in Structural Engineering Special Issue)
Scottsdale, Ariz., is one of the fastest growing cities in the U.S. In 1980, it had 88,000 residents; in 1997, it had 170,000. By 2020, demographers expect the population to surpass 275,000....
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