Geotechnical Aspects of Beach Restoration
Large-scale beach restoration undertaken by the U.S. Army Corps of Engineers in Florida requires millions of cubic yards of beach quality sand. Exploration for these sand resources starts...
Testing a Multi-Tiered Stress-Gradient Model for Risk Assessment Using Sediment Constituents from Coral Reef Environments
Coral reefs are threatened worldwide by stresses ranging from local to global in extent. Local stresses range from boat/ship groundings and sewage outfalls to dredging and coastal clearing....
Rhythm of Beachrock Levels in Contrasting Plate Settings: Rifting Red Sea and North American-Caribbean Plates
Sequences of beachrocks have been compared from the northern Red Sea, the North American plate (north shore of Puerto Rico), and an island of the Caribbean plate. In all these areas the...
Characteristics and Implications of Relict Carbonate Paleoshorelines
Throughout the Florida-Bahamas region, the accumulation of coastal carbonate deposits, excepting the present highstand, appears to be episodic. Back through time these deposits provide...
Act of Triumph
The dramatic, crescent-shaped fabric roof of the soccer stadium built on the Korean island of Cheju for this year's World Cup proved to be the structure's most...
Weighing the Options
A unique sludge pipeline replacement project in Colorado gave the engineers and the owner an opportunity to compare the merits of three different project delivery methods....
Settling Down
Engineers in Florida will prepare the sandy foundation of a future power plant by preloading it with sand for as long as a year....
Carolina Crossing
The designers of a cable-stayed bridge across the Cooper River in South Carolina incorporated stringent seismic criteria to safeguard against potentially devasting earthquakes....
Early Warning
Recent improvements in digital technology have given Fort Collins, Colorado, a system that can accurately predict the location and severity of impending floods....
Ahead of the Curve
Four curved steel girder bridges for Pittsburgh's light-rail project posed challenges ranging from multiple site constraints to special rail loads and welded rail interactions....
The Train Lane
With the elimination of more than 200 at-grate roadway crossings, the Alameda Corridor - $2.4-billion rail cargo expressway in Los Angeles - will carry 100 freight trains in and out of...
Training Grounds
A state-of-the-art training facility at a Texas community college is ready to train fire and rescue personnel to cope with disasters ranging from fuel fires and floods to collapsing structures...
Reconstructing a Grand Boulevard
Wacker Drive, the two-level riverfront roadway that has defined the boundary of Chicago's business and cultural district for more than 75 years, is undergoing a much-needed...
Improving the Process
By revamping its solids treatment system, the wastewater utility in Louisville, Kentucky, eliminated odors, created a potential source of new revenue, and saved millions of dollars in...
Consolidated Effort
Engineers remedied a landfill polluted with polychlorinated biphenyls by removing the most contaminated detritus and consolidating the rest under a multilayered, impermeable cap....
Corinthian Crossing
The mainland Greece will soon be linked to the Peloponese by one of the longest cable-stayed bridges in the world, the Rion-Antiron Bridge, which also happens to feature soil-enhancing...
Clean Water at the Crossroads
Thirty years after the passage of the Clean Water Act, the quality of effluent from the nation's wastewater treatment plants has improved considerably. However, much of the...
Saving Saluda
One of the largest roller-compacted-concrete berms in the United States will stand sentinel in case South Carolina's Saluda Dam undergoes liquifaction in response to strong...
Engineering Change at MIT
The first class to fulfill requirements established at the Massachusetts Institute of Technology as part of a revision of the civil and environmental curricula graduated in 2001. The changes...
Rapid Delivery
Facing nearly dry wells and a moratorium on development that was about to expire, a small town in the pacific Northwest, using the design/build delivery method, was able to quickly design...
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