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Geosynthetic-reinforced levees performed well

June 1, 2008

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 exceptionally well, the U.S. Army Corp of Engineers has reiterated. The St. Charles and Jefferson levees are …

North American Geosynthetics Society (NAGS): Report of the biennial meeting

By L. David Suits Tuesday, March 4, 2008, Hilton Cancún Hotel The meeting was called to order at 7 p.m. by Grace Hsuan, president. Dr. Hsuan asked David Suits, executive director, to review the organization of the North American Geosynthetics Society. The following information was presented: Mission of NAGS: To provide leadership in advancing the …

GMA sponsors “Bring your executive to Capitol Hill”

By Andrew Aho In April, members of Geosynthetic Materials Association (GMA) came to Washington, D.C., for the annual “Bring your executive to Capitol Hill.” The two-day event featured a dinner and reception with James Ray from FHWA, a GMA executive council meeting, issues briefings, and meetings with senators, representatives, and staffers on Capitol Hill. An …

Celebrating a decade of GSI/GRI polyolefin specs

By Bob Koerner From the very beginning of the GSI/ GRI consortium in 1986, it was recognized that specific focus groups were the way to initiate individual programs and documents. After a draft document is eventually established within a group, the entire membership is then brought into the activity for modification and eventual agreement. This …

Industrial parks in the Middle East to convert polymers into value-added products

Local governments in the Middle East are showing mounting interest in converting polymers into products for export and local consumption to meet growing demand, according to several sources that monitor the plastics industry. The United Arab Emirates (UAE), a net importer of most plastics products, has been weighed down by a weakening dollar and faces …

Indefatigable nonwovens pioneer retires

During his nearly 4 decades with Fleissner, Alfred Watzl exerted a decisive influence on the development of nonwovens installations. Under his direction in sales and marketing, a variety of technical textile equipment innovations was developed, built, and sold worldwide, including the Fleissner “AquaJet” components for airlaid web lines for man-made fibers. Recently retired, Watzl helped …

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Geotextiles help create green clothing shop

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 building to a new level. Located on an alley …

Third national paper MSE wall competition held at GeoCongress in New Orleans

By Dave Elton Eleven university teams competed in the 2008 GeoCongress student competition March 12 in New Orleans. The Louisiana State University (LSU) Tigers took top honors, topping twotime reigning champion University of Missouri–Columbia. The Drexel University GeoDragons took second-place honors. The Drexel team was coached by the immediate past-president of the North American Geosynthetics …

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

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 these structures to minimize short-term …

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Geogrid slope reinforcement, track refurbishing for German rail lines

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 the railroad tracks, had to …