Changing the ‘one per 500 feet’ paradigm on geomembrane field seam sampling

February 1, 2019  |  GSI News, News

The late Henry Haxo Jr., Ph.D., former president of Matrecon Inc., deserves considerable credit for developing many of the concepts and practices involved in waste containment liner and cover systems. Beginning in the 1970s, various projects, many of them funded by the U.S. Environmental Protection …
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GSI to host short course on QA/QC in waste containment, GMA members get discounted rates

December 20, 2018  |  Events, GSI News, News

The Geosynthetic Institute (GSI) will sponsor a short course “Quality Assurance/Quality Control of Geosynthetics in Waste Containment Facilities,” Jan. 14–16, 2019, from 11 a.m. to 12:30 p.m. and 2 p.m. to 3:30 pm EST. Geosynthetic Materials Association (GMA) member companies and their employe…
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GSI to host webinar on pond liners, GMA members get discounted rates

December 18, 2018  |  Events, GSI News, News

The Geosynthetic Institute (GSI) will sponsor a webinar “Pond Liner Design and Performance,” on Jan. 10, 2019, from 11:30 a.m. to 1 p.m. EDT. GMA member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The first ponds lined with geomembran…
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GSI to host webinar on stability designs for landfill covers, GMA members get discounted rates

November 29, 2018  |  GSI News, News

The Geosynthetic Institute (GSI) will sponsor a webinar “Stability Designs of Landfill Cover Soils,” on December 12, from 11:30 a.m. to 1 p.m. EDT. GMA member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This webinar focuses on the sta…
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GSI to host webinar on lifetime predictions of geosynthetics, GMA members get discounted rates

November 21, 2018  |  GSI News, News

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Lifetime Predictions of Covered and Exposed Geosynthetics,” on November 28, from 11:30 a.m. to 1 p.m. EDT. GMA member companies and their employees receive discounted rates on all GSI webinar and short course registrations. A most…
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GSI to host webinar on disposal of CCR this Wednesday, GMA members get discounted rates

October 22, 2018  |  GSI News, News

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Disposal of Coal Combustion Residuals,” on Oct. 24, from 11:30 a.m. to 1 p.m. EDT. The webinar will be hosted by Dr. Robert M. Koerner. GMA member companies and their employees receive discounted rates on all GSI webinar and short…
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GSI on-demand online course details designing with geosynthetics

October 2, 2018  |  GSI News, News

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. …
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Geosynthetics and coal combustion residuals

October 1, 2018  |  GSI News

According to the World Bank Group, in 2015 coal produced 41% of the world’s energy and about 34% of the energy production in the United States. While global warming and pollution are serious challenges according to most scientific evidence, and coal burning is cited as one cause of both, there are…
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GSI awards 2018–19 fellowships

August 7, 2018  |  GSI News, News

The Geosynthetic Institute (GSI), with the guidance of the GSI board of advisors, has awarded GSI fellowships for the 2018–19 academic year. The program recognizes and supports outstanding students worldwide studying geosynthetics. The GSI fellowship program includes candidates pursuing master’s…
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Don’t be afraid of making horizontal geomembrane seams on side slopes

August 1, 2018  |  GSI News, News

Over the years, there have been many discussions raising concerns about having geomembrane field seams located horizontally on side slopes. By not allowing such seams, it usually results in many short roll lengths that become either unused or difficult to tailor into the flat area of the project. St…
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