Connection strength of geosynthetics anchored in concrete

February 1, 2023  |  GSI News

Nearly all geomembrane installations are fixed at the perimeter of the containment by burying the liner in an anchor trench or by attaching it to concrete (i.e., a collar wall, foundation, ring wall, manhole, vault, etc.). The standard approach for connecting the geomembrane liner to concrete is to …
IGS North America: New board of directors, big agenda

February 1, 2023  |  IGS-NA

As this issue of Geosynthetics is released, IGS North America (IGS-NA) will be announcing its new board of directors. Elections took place in January 2023. The official passing of the gavel takes place at the in-person IGS-NA chapter meeting at Geosynthetics Conference in Kansas City, Mo. (February …
Geogrids provide answer to access issues at Scottish wind farm

February 1, 2023  |  Case Studies

Wrekin Products Ltd. recently provided the perfect solution for one of Scotland’s major sustainability initiatives after being selected over two other manufacturers to create an economical access road at a new wind farm. The brand-new wind farm has been constructed in North Lanarkshire, Scotland, …
The final IFAI Expo and my first Lobby Day

February 1, 2023  |  Editorial

October and November 2022 turned out to be memorable months as I had the chance to experience our final IFAI Expo in Charlotte, N.C., and my first—but our final—Lobby Day in Washington, D.C. You’ll find more about Lobby Day in the Update section and GMA column.
Landfill Gas Emissions Modeling

February 1, 2023  |  Q&A: GMA Techline

Q: I’m writing to see if you are aware of any research on landfill gas (LFG) emissions modeling through various geomembranes, particularly for temporary covers? 
Overlap seam specifications for geotextile separators

February 1, 2023  |  Q&A: GMA Techline

Q:What is the typical overlap for a geotextile used as a separator in a highway project?