Three challenges in using SRWs and other reinforced-soil structures: Part 3B

August 1, 2008  |  Case Studies

By Michael R. Simac, P. E., and Blaise J. Fitzpatrick, P. E. Introduction While segmental retaining walls (SRWs) have been routinely used for more than 15 years now, there are still three challenging issues facing owners considering their use. What is the best way to procure, design, and then build …
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Case history: “Intelligent” geosynthetics

June 1, 2008  |  Case Studies

Reinforcement and deformation monitoring of a railway embankment in France Compiled and edited by Ron Bygness Introduction This project was the first practical realization of the RAFAEL research project for the use of high-strength geosynthetics for base courses over cavities, including the first &l…
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Geogrid slope reinforcement, track refurbishing for German rail lines

June 1, 2008  |  Case Studies

Compiled and edited by Ron Bygness Hallstadt rail crossing An existing railroad crossing in the Hallstadt section of railroad track 5100, from Bamberg to Hof (Saale), had to remain open for rail traffic, but had to be replaced by an underpass for the street. An underpass for Michelin Street, under t…
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Three challenges in using SRWs and other reinforced-soil structures: Part 3A

June 1, 2008  |  Case Studies

By Michael R. Simac, P. E., and Blaise J. Fitzpatrick, P. E. Introduction While segmental retaining walls (SRWs) have been routinely used for more than 15 years now, there are still three challenging issues facing owners considering their use. What is the best way to procure, design, and then build …
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Geotextiles help create green clothing shop

June 1, 2008  |  Case Studies

A multilevel building in Seoul uses geotextiles planted with herbaceous perennials to form the living walls and an extensive green roof system. The blend of natural and artificial, the new Ann Demeulemeester fashion retail shop in the Gangnam district of South Korea’s capital city brings green…
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Geosynthetic-reinforced levees performed well

June 1, 2008  |  Case Studies

Editor’s note: In the wake of ongoing public debate that continues to evaluate the construction designs of New Orleans area levees, the Geosynthetic Materials Association (GMA) recently offered the following statement. Geosynthetic-reinforced levees challenged by Hurricane Katrina performed ex…
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Repairing Yi-Lan-I Road in Taiwan

April 1, 2008  |  Case Studies

By Vincent Ho and Steven Chang Introduction Stretches of the Yi-Lan-I Road in Taiwan are located more than 3,200ft (1,000m) above sea level. It’s an important road that provides the primary access to the National Taipingshan Forest Recreation Area. But during a particularly rainy 75-day period…
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Three challenges in using SRWs and other reinforced-soil structures: Part 2B

April 1, 2008  |  Case Studies

By Michael R. Simac, P. E., and Blaise J. Fitzpatrick, P. E. Introduction While segmental retaining walls (SRWs) have been routinely used for more than 15 years now, there are still three challenging issues facing owners considering their use. What is the best way to procure, design, and then build …
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ML Ingenieria S.A. de C.V. wins 2007 Outstanding Achievement Award

February 1, 2008  |  Case Studies

The award is part of the 2007 International Achievement Awards presented by the Industrial Fabrics Association International (IFAI). Project description This project underscored the advantages of using geogrids to build many of the biggest retaining walls ever constructed in Chilpancingo, the capita…
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Flint Industries Inc. wins 2007 Outstanding Achievement Award

February 1, 2008  |  Case Studies

The award is part of the 2007 International Achievement Awards presented by the Industrial Fabrics Association International (IFAI). Project description This project involved installing a soil cap over the surface of a 55-acre sludge pond under the auspices of the Florida Department of Environmental…
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