Features
By Jerod G. Johnson, S.E., LEED AP, and René Vignos, S.E.
A meticulous and ambitious renovation of the Utah State Capitol respected the original 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.
By Jeff Massengill, 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 upgrade 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.
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 indicate, 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 Mississippi basin.
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 Narrows, Ontario
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| Foto Provincie Noord- Brabant / Flying Camera ION Orchard |
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| © Virgile Simon Bertrand |
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