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Geosynthetic solutions to improve safety in mining applications
October 6th, 2021
Photograph courtesy of AGRU America What do Tesla, Apple and Ford have in common? They all rely on mines that produce metals like lithium, which drives our technology-hungry world. Now, more than ever, mining operations must run efficiently to meet increasing demand. Equally as important is supporting positive public beliefs on mining. Mining operators must incorporate […]
IFAI introduces member benefit program and Expo discount offer
October 5th, 2021
IFAI has announced a new benefit for IFAI members in the United States: the IFAI Health and Benefit Insurance program. IFAI Health and Benefit Insurance The IFAI Health and Benefit Insurance program gives all IFAI members access to a dedicated team of experts who are ready to help find the best health and nonmedical benefit coverage to fit […]
Geocomp’s GeoTesting Express expands lab
October 5th, 2021
Geocomp’s expanded GeoTesting Express lab. Photograph courtesy of Geocomp Corp. Geocomp Corp.’s GeoTesting Express in Acton, Mass., is increasing its focus and investment in quality geotechnical laboratory testing to meet the needs of civil engineers worldwide. A recent expansion of the GeoTesting Express laboratory space and major investments in state-of-the-art automated testing equipment has doubled […]
Geofabrics Australasia acquires Plascorp Group
October 4th, 2021
Geofabrics Australasia manufacturing facility in South Queensland, Australia. Photograph courtesy of Geofabrics Australasia Geofabrics Australasia Pty Ltd., Australia and New Zealand’s largest manufacturer and supplier of geosynthetic products, today announced that it has acquired Plascorp Holdings Pty Ltd. Plascorp is one of Australia’s leading privately owned manufacturers of industrial products with strong market positions in […]
Episode 2 of IFAI Talking Textiles podcast is now available
October 1st, 2021
We invite you to listen to IFAI’s new podcast on Apple, Google, Spotify, Libsyn and on the IFAI website, www.ifai.com/podcast. Episode 2 is titled “Catching up with Conroy’s House of Canvas.” About the podcast After dedicating his entire career to the textile shade industry, Canadian business-owner John Conroy, House of Canvas, now finds himself in the […]
Martin Marietta CEO Nye elected ARTBA chair
October 1st, 2021
Photograph courtesy of ARTBA Ward Nye, chairman and CEO of North Carolina-based Martin Marietta, has been elected 2021–22 chair of the American Road & Transportation Builders Association (ARTBA). The announcement was made during the association’s national convention, held Sept. 26–29 in Pinehurst, N.C. Nye has been chairman of Martin Marietta since 2014, CEO and director […]
Heat resistance of geomembranes
October 1st, 2021
Q: We have a question in regard to the heat resistance of geomembranes. We are interested in paving a road over a geomembrane with hot mix asphalt and want to know if the geomembrane will continue to function as a moisture barrier? A: The answer to this depends very much on the formulation from which […]
Geosynthetics for CCR, PFAS and energy applications
October 1st, 2021
This issue of Geosynthetics magazine delves deep into two innovative uses of geosynthetic clay liners (GCLs) in very different applications: coal combustion residual (CCR) leachates and per- and polyfluoroalkyl substances (PFAS) mitigation in landfills. We also examine three case studies of energy companies using high-density polyethylene (HDPE) geomembranes for flowback water in water evaporation/recycling ponds. […]
Repeatability and reproducibility in geosynthetics
October 1st, 2021
Q: If repeatability and reproducibility are high, it is a positive output, but high repeatability and reproducibility will give high uncertainty from Equation 1: uncertainty = sqrt (repeatability^2 + reproducibility^2) Could you explain to me why it looks like it is contradictory? A: One wishes to have the repeatability and reproducibility as “low” as possible, […]
Measuring strain in geosynthetics
October 1st, 2021
Q: Currently, what is the best-known method to measure strains in geosynthetics? We are having arguments between results generated from crosshead movement and extensometers. A: This question arises often when comparing ISO 527/ASTM D638 and ASTM D6693 results. The former requires an extensometer, where the latter utilizes crosshead deflection and assumes gauge lengths. This discussion […]