Repeat Performance
Working with a budget of $10 million, engineers designing a new high-rise residential structure in New York City had to find creative ways to control costs. One budget-saving idea was...
The Inside Story
A full-scale renovation of the interior of Oklahoma City's Civic Center Music Hall required shaving much of the depth from two trusses under load conditions, installing new...
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...
High Resolution Pressure Measurements on Roofs of Low Buildings
Describing an instrumented module which was built with extremely high pressure tap density to use as a component of a roof or wall....
Big Screen Debut
The Glenn-Colusa Irrigation District (GCID) encompasses nearly 150,000 acres (60,700 ha) of prime agricultural land in California's Sacramento Valley, generally considered...
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....
Application of Water Column Dampers to Control Motions of the Wall Centre, Vancouver
The Wall Centre, a 450 foot tall high-rise tower currently under construction in downtown Vancouver will be the highest building to be constructed in that city. Wind tunnel testing indicated...
Design of Structure and Damping System to Control Motions of the Park Tower, Chicago
Park Tower, a 67 story condominium/hotel project currently under construction on the Magnificent Mile, Chicago, IL, will be the first building in North America in recent times that utilizes...
Inside Job
River Mill Dam is a large Ambursen (buttress type) dam constructed in 1911 on the Clackamas River in Oregon. The preliminary and final design phase of the seismic upgrade project coincided...
Glass Nautilus
A multi-faceted glass and steel pavilion now adds an extra measure of enjoyment and convenience for visitors to Seattle's Space Needle. The new two-story, 15,000-square-foot...
Effective Analysis of Diaphragm Walls
Prepared by the Technical Committee on Performance of Structures during Construction of the Structural Engineering Institute of ASCE. This report presents...
Verdict Rendered
After the Grays Harbor County Courthouse in Montesano, Washington, was severely damaged by an earthquake in 1999, the surrounding community decided to preserve it. A design/build approach...
In Plain View
(Available only in Special Structural Issue) A structural engineer's work is typically hidden beneath layers of concrete and plaster, but the Pittsburgh Civic Center in the...
Fanfare (Available only in Special Structural Issue)
The owners of the Milwaukee Brewers baseball team decided in the late 1980s that their current home, the 50-year-old County Stadium, could no longer offer the facilities that attract crowds...
Walled In (Available in Geoenvironmental Special Issue only)
Of the many challenging aspects of the $10.8 billion, 7.5 mi long Central Artery Project in Boston, the construction of soldier pile, tremie concrete (SPTC) walls under the existing elevated...
Suspension Bridges Unplugged
The `coupling effect' between the flexible, suspended superstructure and the very stiff cable anchorage in suspension bridges can produce large motions during strong earthquakes....
Up against the Wall (available in Geoenvironmental special issue only)
A tight site in Portland, Oregon, bounded by existing roads and a light rail line and bordered by underground utilities, required project engineers to develop a new type of shoring wall...
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...
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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