CETCO launches FLUORO-SORB adsorbent for the remediation of PFAS

June 3rd, 2019

Amid a deeper awareness of the health and environmental impact of per- and polyfluoroalkyl substances (PFAS), CETCO is pleased to announce the launch of FLUORO-SORB® adsorbent, a proprietary, NSF-certified product that effectively treats multiple variants of PFAS.  Unlike other sorbent products that are selective and unpredictable in adsorbing PFAS, FLUORO-SORB adsorbent binds the entire spectrum […]

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Geogrid reinforced soil structures reach new heights

June 1st, 2019

By Sachin Mandavkar and Mehari Weldu FIGURE 1 U.S. Route 460 RSS during construction Reinforced soil structures are geotechnical systems consisting of reinforcing elements and primarily include mechanically stabilized earth (MSE) walls and reinforced soil slopes (RSS) (Figure 1). MSE walls and RSS are constructed by placing alternating layers of reinforcement and compacted soil behind […]

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Thrace-LINQ completes expansion project

June 1st, 2019

Thrace-LINQ Inc. announced the completion of the installation of a new ANDRITZ needlepunched nonwoven line. The Thrace Group invested more than $9 million in this project to satisfy the growing demand for its high-performance nonwoven fabrics in North America. This state-of-the-art needlepunched nonwoven line was designed to produce world-class quality fabrics for geosynthetics, automotive and […]

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GMA looks back and moves forward

June 1st, 2019

by Jonathan Curry Over the past decade the Geosynthetic Materials Association (GMA) has grown by leaps and bounds, establishing itself as a leading geosynthetics organization in the areas of education, technical support and government relations. GMA’s membership has nearly doubled since 2005, GMA-supported educational conferences have attracted more than 25,000 attendees, and GMA’s lobbying efforts […]

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Roundtable focuses on geocomposite peel testing

June 1st, 2019

On February 12 during the Geosynthetics Conference 2019 in Houston, Texas, a roundtable discussion was held regarding geocomposite peel testing and a potential new approach for testing of this index property. The session was moderated by Richard Thiel and included approximately 65 attendees. The lively discussion focused on the previously unrecognized high variability of the […]

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Plastatech unveils line of prefabricated geomembrane accessories

June 1st, 2019

Plastatech Engineering Ltd. launched a new line of prefabricated accessories featuring product styles such as a straight pipe boot, angled pipe boot, inside corner, outside corner and other customizable options. Designed to provide time-saving solutions for a variety of geomembrane projects, accessories are available in polyvinyl chloride (PVC), high-density polyethylene (HDPE), reinforced polyethylene (RPE), linear […]

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The GMA Techline

June 1st, 2019

Who is doing the testing? Q: This question relates to the number of rolls to be selected as the lot sample for specification conformance testing and refers to ASTM D4354. When I look at this standard, it appears the values in Table 1 of GRI’s White Paper #10 refer to the number of units to […]

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Geosynthetics for reinforcement and stabilization

June 1st, 2019

Geosynthetics are widely used for reinforcement and stabilization, particularly in transportation-related applications, including base stabilization, reinforced soil slopes (RSS) and mechanically stabilized earth (MSE) walls. This issue of Geosynthetics considers many such applications from multiple viewpoints. Sachin Mandavkar and Mehari Weldu look at very tall MSE walls and RSS through several case studies in “Geogrid […]

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Geosynthetics Conference watch: A special edition of the Geosynthetics Conference

June 1st, 2019

Exhibitors at Geosynthetics Conference 2019. Photograph courtesy of Mark Skalny/Mark Skalny Corporate Photography This special edition of the Geosynthetics Conference will feature in-depth case studies spanning the geotechnical industry. Each 30-minute case study presentation will explore a geotechnical project from design to installation. Presenters will highlight the challenges encountered, how they were overcome and the […]

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Streambank restoration using engineered bank stabilization

June 1st, 2019

By Jeffery T. Hoilman and Stanley M. Miller FIGURE 1 Mountain Creek streambank restoration—September 2018. View looking upstream nine months after installation. Mountain Creek flows through the community of Red Bank near Chattanooga, Tenn., to the Tennessee River. Mountain Creek has been identified by the Tennessee Department of Environment and Conservation (TDEC 2018) as a […]

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