Holding Court
Contractors had their work cut out for them when structural engineers specified concrete-filled steel tubes for the Thomas F. Eagleton Federal Courthouse's perimeter columns....
Isolating the Arts
The LG Kangnam Building in Seoul, Korea, is a multi-use, 140,000 sq m project, consisting of a 40 story, 183 m tall office tower, an adjacent 9-story acoustically base-isolated performing...
Structural Surgery
Structural engineers had to transform four existing buildings and two new buildings into a new non-profit center for Jewish history. The buildings were of varying ages and had different...
Through Frozen Ground
The most difficult section of the Massachusetts Bay Transportation Authority's (MBTA) Silver Line transit corridor project is approximately 112 m (400 ft) of tunnel below...
Dam Breaching: The Rest of the Story
The U.S. Army Corps of Engineers is evaluating the possibility of breaching four dams on the lower Snake River to improve salmon migration. Because significant infrastructure modifications...
Metal Building Systems: A New Look
The use of metal building systems in low-rise, non-residential construction under 150,000 square feet has grown from less than 50 percent in 1986 to almost 70 percent today. Such systems...
Resolution Solutions
Disputes over such issues as change orders, extra work, delays, or defective work are an inescapable part of the construction process. By designing an effective dispute management program...
Power Struggle
The Florida Light and Power Company could have replaced its deteriorating, H-shaped wooden power poles in the Tomoka River with exact duplicates, but they chose to use hybrid steel-and-concrete...
Program Management B.C.
Through a process of forensic analysis that applied modern-day technology to bridge the chasm of time, a team of construction managers with the international architecture/engineering/construction...
Sensitivity of Stormwater Conveyance System Cost to Design Recurrence Interval
(No paper) The cost of a piped and/or swaled stormwater system is determined principally by the storm recurrence interval (e.g., 5-year design storm) used to design it. That is, the present...
Environmental Restoration and Management of the Tres Rios Demonstration Constructed Wetland Project: Mosquito Monitoring, Control and Management Efforts
(No paper) The Tres Rios Demonstration Constructed Wetland Project in Phoenix, Arizona, is providing valuable information on the role of constructed wetlands in ecosystem restoration,...
City of Sedona Wastewater Reclamation Plant Upgrade: How to Teach an Old Dog New Tricks
(No paper) The City of Sedona's early 1990's wastewater treatment plant was difficult to control, prone to plant upsets, near capacity and often experienced on-site sewage spills. Additionally,...
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...
An Olympic Endeavor
Although some of the venues for the 2002 Winter Olympic Games in Salt Lake City, Utah, already exist, three sites in particular are either being built from scratch or will replace outdated...
Towering Over Xiamen (Available in Structural Engineering Special Issue only)
Composite structural systems are rapidly becoming the preferred choice for high-rise buildings, due to their high strength and stiffness, large ductility, and convenient, economical construction....
Exacting Renovation
In the heart of Greenwich Village a building that would typically be demolished given its current condition has been saved and restored with careful engineering and a precise demolition/construction...
Pipeline Safety, Reliability, and Rehabilitation
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Who Provides Inspection
With the increasing interest in the design-build project deliver system, the decision of who should be responsible for quality assurance/quality control has become a complex one. To assist...
Newsletters That Deliver
A newsletter consultant and business manager for a small engineering firm explains how to create an effective newsletter for new and potential clients. Among the necessary steps are establishing...
Tall Order
Successive earthquakes have damaged the 32-story, 460 ft (140 m) tall Los Angeles City Hall, built in 1926. Masonry infill and concrete walls have cracked, and the terra cotta cladding...
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