A forty-year anniversary for the first hardbound book on geosynthetics

October 1st, 2019

By Robert M. Koerner In the late 1970s, I regularly invited speakers to make presentations to my geotechnical engineering classes at Drexel University. Two of them were very memorable: Bill Ragen of Mirafi and Bill Witherow of Carlisle. Their respective topics were “filter fabrics” and “pond liners,” and in truth I didn’t associate them with […]

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The GMA Techline

February 1st, 2019

Geomembranes for canal lining Q: Our company is an international member of the Industrial Fabrics Association International (IFAI). Our government is planning to line their water canals with a geomembrane to prevent water seepage into the soil. We have been approached by many to suggest the most suitable material with specifications to guide them in […]

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Panorama

February 1st, 2019

IECA Region One welcomes new executive director The International Erosion Control Association (IECA) Region One board of directors and staff welcome Samantha Roe, IOM, as the new executive director of the association. “We’re excited to announce Samantha as the new executive director to take our association in a new direction,” stated Tom Schneider, CPESC, IECA […]

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GSI on-demand online course details designing with geosynthetics

October 2nd, 2018

The Geosynthetic Institute (GSI) is offering an on-demand online course entitled “Designing with Geosynthetics,” based on the book of the same title by Robert M. Koerner. Dr. Koerner, professor emeritus of civil engineering at Drexel University and director emeritus of GSI, teaches the course. All Geosynthetic Materials Association (GMA) member companies and their employees will receive […]

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The GMA Techline

October 1st, 2018

Toxicity of nonwovens? Q: Are there any comprehensive tests (or a general synopsis) of the environmental toxicity of leachate from nonwoven polypropylene fabrics when aged in a freshwater or saltwater solution? Regulatory and municipal bodies in Europe and New Zealand are requesting more info about products that are used in riparian and coastal environments. A: […]

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Geosynthetics Materials Association News

June 1st, 2017

GMA honors Dr. Robert M. Koerner and Dr. George Koerner On March 14 in Orlando, Fla., the Geosynthetic Materials Association (GMA) hosted the inaugural Robert M. Koerner Award and Lecture Series. Established by GMA in 2016, the award and lecture series is given to an individual who has had a measurable impact on the geosynthetics […]

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