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

February 1, 2019

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 Agency (EPA), were actively researched. His capstone document is the …

GSI to host webinar on geosynthetic drainage materials

January 11, 2019

The Geosynthetic Institute (GSI) will sponsor a webinar “Geosynthetic Drainage Materials: Applications, Design, Installation and Performance,” on Jan. 24, 2019, 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 …

GSI to host short course on QA/QC in waste containment, GMA members get discounted rates

December 20, 2018

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 employees receive discounted rates on all GSI webinar and short course registrations. This …

GSI to host webinar on pond liners, GMA members get discounted rates

December 18, 2018

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 geomembranes were installed in the 1930s. That said, the …

GSI to host webinar on stability designs for landfill covers, GMA members get discounted rates

November 29, 2018

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 stability design of relatively thin soil layers over geosynthetics …

GSI to host webinar on lifetime predictions of geosynthetics, GMA members get discounted rates

November 21, 2018

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 frequently asked question regarding all types of geosynthetics is, “How …

GSI to host webinar on wick drains, GMA members get discounted rates

November 12, 2018

The Geosynthetic Institute (GSI) will sponsor a webinar entitled “Soil Consolidation Using Wick Drains, aka PVDs” on Nov. 14, from 11:30 a.m. to 1 p.m. EST. 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 course registrations. Wick drains, …

GSI to host webinar on disposal of CCR this Wednesday, GMA members get discounted rates

October 22, 2018

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 course registrations. With coal representing more …

GSI on-demand online course details designing with geosynthetics

October 2, 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 …

Geosynthetics and coal combustion residuals

October 1, 2018

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 many staunch advocates of …