San Diego Bay gets an underwater facelift

October 1, 2006  |  Case Studies

Geotextile cap is a key to this novel seafloor remediation project. By Sarah O’Connor, Michael Whelan and Ron Bygness Overview This project included aquatic remediation of a former shipyard area consisting of approximately 3,500 tons of underwater demolition, 35,000 yds.3 of dredging of contam…
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Evaluating the cost-effectiveness of four pavement treatments

October 1, 2006  |  Case Studies

Selecting a smart and efficient road-maintenance strategy. By Jamie Swedberg, Ron Bygness, and C. Joel Sprague A study evaluating the cost-effectiveness of using paving fabrics in roadway maintenance projects is getting a new look. The original work was a comprehensive study of pavement repair mater…
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ASD and LRFD of reinforced SRW with the use of software Program MSEW(3.0)

August 1, 2006  |  Case Studies

By Dov Leshchinsky Introduction The title of this article contains enough acronyms to confuse even the best engineers. Imagine the confusion when the abbreviations have to be translated into numbers followed by a structure. To alleviate some of the concern, here are the literal conversions: ASD=Allo…
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Building the bridge of the future with GRS technology

August 1, 2006  |  Case Studies

Ohio bridge builders use geosynthetic-reinforced soil technology. Build the bridge of the future better, faster, and for less money using geosynthetic-reinforced soil (GRS) technology for abutments. Instead of a conventional bridge, supported on a pile-cap abutments, GRS technology uses alternating …
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Hereford Inlet seawall repair project

August 1, 2006  |  Case Studies

Marine mattresses on the seawall in New Jersey. North Wildwood, N.J. Location: Hereford Inlet is located on the New Jersey coastline, near the southeasternmost tip of the state, near Cape May. Application: This project involved reconstructing the inlet’s shoreline seawall (Photo 1). Portions o…
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Geotube dewatering containers help in cleanup of the Fox River

August 1, 2006  |  Case Studies

Cleansing the Fox: Decades of PCB contamination in Wisconsin’s lower Fox River will take decades to clean up. Today, geotextile dewatering containers are helping with that job at the Fox’s Little Lake Butte des Morts The largest river cleanup project ever attempted in North America is us…
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Geofoam provides lightweight fill for York Bridge in Washington

August 1, 2006  |  Case Studies

A King County DOT bridge project illustrates the use of geofoam fill. Abstract An interesting project under way in the Seattle area is the reconstruction of the York Bridge on Northeast 116th Street north of Redmond, Wash. After the supports for the new bridge were completed, crews worked on the dec…
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TRM triumphs in California water-harvesting project

June 1, 2006  |  Case Studies

Turf reinforcement mat to the rescue in Riverside County. Master Drainage Plan, Line E, San Jacinto Basin This project had been planned to capture stormwater and excess agricultural flows during the Southern California rainy season, then reuse this water to replenish the area’s groundwater bas…
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GCLs used for airport runways in France, containment at gold mine in Saudi Arabia

June 1, 2006  |  Case Studies

Master Drainage Plan, Line E, San Jacinto Basin One of the largest infrastructure projects in Europe in recent years has been in Toulouse, France, at the Toulouse-Blagnac Airport and the adjacent Airbus-France facility where the new Airbus A-380s are built. During the course of this construction pro…
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Shoreline restored with geotextile tubes as submerged breakwaters

June 1, 2006  |  Case Studies

Back to the beach in Mexico. By Enrique Álvarez, Ramiro Rubio, Herbert Ricalde Abstract The beaches of the northern coast of Yucatan in Mexico have been in an erosion process that has dramatically increased in the past 15 years. Changes in the littoral dynamics, mainly due to human action, ha…
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