Civil Engineering (The Magazine of the American Society of Civil Engineers)
June 2008 Vol. 78, No. 6
Contents
Features
38 Fit for the Future
By Jerod G. Johnson, S. E., LEED AP, and René Vignos, S. E.
A meticulous and ambitious renovation of the Utah State Capital respected the priginal design, employing base isolation in a unique way and maintaining the historic structure’s ability to serve the people of Utah for many years to come.
48 Defending Corpus Christi
By JeffMassengill, P. E., M. ASCE, Brent Moore, P. E., M. ASCE, Dan Garza, M. ASCE, and Allan Hayes, P. E., M. ASCE
The 4 mi (6.4 km) long seawall in Corpus Christi, Texas, was constructed in 1941 to protect the downtown area from storm surges and to stabilize and beautify the shoreline. Thanks to a recent uphrade that involved the installation of sheet-pile walls on either side of the seawall and extensive concrete replacement and repairs, the structure will continue to meet its purpose far into the future.
54 Halting Hypoxia
By Jay Landers
The Gulf of Mexico’s “Dead Zone,” an annually recurring area characterized by low levels of dissolved oxygen, has been the focus of significant scientific scrutiny in recent decades. Solutions, however, have been slow in coming. As recent studies in dicate, alleviating hypoxic conditions in the Gulf will require significant efforts to reduce the massive influx of nutrients that make their way to the Gulf from farm fields and wastewater treatment plants throughout the Mississipi basin.
66 Skillful Substitution
By Reno Radolli, P. Eng., and Raymond Krisciunas, P. Eng..
When Ontario’s Ministry of Transportation decided to replace a Howe truss bridge that when built was one of the longest single-span timber bridges in the world, historic preservation was a significant priority. The new bridge uses modern steel construction hidden behind a timber facade to preserve the character of the original bridge, an important icon to the community of Sioux Falls, Ontario.
Departments
8 Letters
10 Polity Briefing
12 Civil Engineering News
Wavelike canopy
Ports in danger
New Orleans risk evaluation
Bilevel tunnel
Dutch flood program
Movable museum
Locomotive site renewed
Gusset plate problems
Faceted tower
New School renovation
News Briefs
32 Technology
34 History Lesson
37 Editor’s Note
72 Books
92 The Law
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