Bridge to the Future
An arched footbridge under construction in Seoul, South Korea, that is reconnecting the metropolis with a tranquil island, will demonstrate the compressive strength and sleek design potential...
Closing the Gap
In 1944 Congress authorized construction of the Foothills Parkway, a 116 km highway through the Tennessee mountains along the northwestern edge of Great Smoky Mountains National Park....
Substructures Stack Up (Available in Structural Engineering Special Issue only)
As part of a 1997 research project sponsored by the Texas Department of Transportation and the Federal Highway Administration, the University of Texas at Austin Center for Transportation...
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...
Special Geotechnical Testing: Central Artery/Tunnel Project in Boston, Massachusetts
The Central Artery/Tunnel Project (CA/T) in Boston, Massachusetts, is the largest urban highway construction project in the history of the interstate system. The magnitude and complexity...
Soil Bioengineering Takes Root
Soil bioengineering is an often misunderstood and maligned technology that has not always been given a fair trial. Moving away from reliance on hard structural solutions, engineers may...
Utilization of Lagoon-Stored Lime in Embankment Construction
The maximum percentage of lime that can be mixed with a predetermined borrow material to build the proposed road embankment without adversely affecting the physical and mechanical properties...
Role of Constituents on the Behavior of Flowable Fly Ash Fill
Flowable fills are increasingly used as backfill materials for pipes and retaining structures because of ease of placement and performance of the solidified material. But the role of its...
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...
LAX Now Towers in Style (Available only in Structural Engineering Special Issue)
Three years and three major building code agencies later, the $21 million Los Angeles Airport control tower stands as a testament to art, architecture and innovative engineering. Completed...
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...
Old Aswan Dam
Egypt's Aswan Dam is almost 100 years old, and engineers performed tests of the masonry, conducting petrographic and chemical analyses. The High and Aswan Dam Authority of...
Structural Countermeasures
This chapter discusses structural elements that can be used to prevent, delay, or mitigate the extent of an attack....
Structural Aerodynamics (Available only in
One of the most strikingly ambitious public buildings in France, county governmental headquarters in Marseille, achieves the status of world-class architecture largely through its structural...
Translucent Structural Beacon
In East Los Angeles some 2,000 children, teens and adults are accessing their future inside a building that is as high-tech as the computers they are using to learn. The 40,000 sq ft building...
Mixing Influences on Cement-Based Waste Forms
High-shear, medium-shear, and low-shear mixing tests were conducted on paste and paste + fly-ash mixes: The specimens, cured for 28-days, were tested for free water generation, compressive...
Hydraulic Design of Subsurface Flow Wetlands
Although Subsurface Flow Wetlands (SFW) have received steadily increasing international attention during the past 10 to 15 years, comprehensive design criteria are not available for some...
Bullwinkle's Big Brother
In 1980, the Outstanding Civil Engineering Achievement Award went to Cognac, Shell Oil Co.'s then-tallest offshore platform. In 1989 the Bullwinkle platform became the new...
A Conceptual Study of A Solar Power Satellite Using Centrifugal Force
We studied the self deployable Solar Power Satellite (SPS) using centrifugal force in order to explore ways in reducing construction costs. We designed a 340 kW SPS, and studied the unfolding...
Development, Testing and Modeling of Ceramic Composites for Lunar Applications
The procedure referred to as thermal liquefaction allows production of Intermediate Ceramic Composites (ICC) from lunar simulants with various admixtures. For their use as structural materials...
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