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The GMA Techline is 15 years old
February 1st, 2020
By Robert M. Koerner The GMA Techline was initiated on Sept. 1, 2004, as a free worldwide answer center for questions involving any, or all, aspects of geosynthetics. There were no constraints put on the questioners, or on the answers that were provided by the Geosynthetic Institute (GSI). To date, 3,500 Q and As have […]
GSI to host webinar on pond liners
January 20th, 2020
The Geosynthetic Institute (GSI) will sponsor a webinar, “Pond Liner Design and Performance,” on Feb. 19, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The first ponds lined with geomembranes were installed in the 1930s. That […]
GSI to host webinar on geosynthetic drainage materials
January 20th, 2020
The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetic Drainage Materials: Applications, Design, Installation and Performance,” on Jan. 22, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. Geosynthetic drainage materials consist of a drainage core (geonet […]
Geosynthetics pioneer Robert M. Koerner and wife pass away
December 3rd, 2019
Robert M. Koerner and his wife Pauline W. Koerner have passed away. The Koerner family has released information on their passing to GSI Members. The notice to the Geosynthetic Institute (GSI) says, “It is with regret and heavy hearts that we announce the passing of Robert M. and Pauline W. Koerner. As you know Bob was […]
GSI to host webinar on geosynthetic reinforced MSE walls
December 2nd, 2019
The Geosynthetic Institute (GSI) will sponsor a webinar, “Geosynthetic Reinforced MSE Walls; Overview, Failures and Items for Improvement” on Dec. 11, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. Mechanically stabilized earth (MSE) walls represent a […]
GSI to host webinar on soil consolidation using wick drains
November 13th, 2019
The Geosynthetic Institute (GSI) will sponsor a webinar, “Soil Consolidation Using Wick Drains, aka PVDs,” on Nov. 27, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. Wick drains, also called prefabricated vertical drains or PVDs, consist […]
GSI to host webinar on disposal of coal combustion residuals
October 30th, 2019
The Geosynthetic Institute (GSI) will sponsor a webinar, “Disposal of Coal Combustion Residuals,” on Nov. 13, from 11:30 a.m. to 1 p.m. EST. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. With coal representing more than 25% of energy sources, the disposal of […]
GSI to host webinar on stability designs of landfill cover soils
October 15th, 2019
The Geosynthetic Institute (GSI) will sponsor a webinar, “Stability Designs of Landfill Cover Soils,” on Oct. 23, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. This webinar focuses on the stability design of relatively thin soil […]
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 […]
GSI to host webinar on stabilization of soil slopes with anchored geosynthetics
September 23rd, 2019
The Geosynthetic Institute (GSI) will sponsor a webinar, “In-Situ Stabilization of Soil Slopes Using Nailed or Anchored Geosynthetics,” on Oct. 9, from 11:30 a.m. to 1 p.m. EDT. Geosynthetic Materials Association (GMA) member companies and their employees receive discounted rates on all GSI webinar and short course registrations. The sliding of soil slopes in the […]