Resin Sampling

February 1, 2024  |  Q&A: GMA Techline

Q: Is there a standard definition of a “lot of resin.” 
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Global/Slope Stability Analysis

February 1, 2024  |  Q&A: GMA Techline

Q: My question stems from the fact that (in my area) there still seems to be confusion over when a global/slope stability analysis is required and who is responsible. A contractor might ask for some budget pricing for retaining wall design. Generally, this is in regards to a segmental retaining wall…
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Geomembrane formulation

February 1, 2024  |  Q&A: GMA Techline

Q: We are specifying HDPE geomembrane for a critical project and noticed that GRI-GM13 only requires endurance testing “per formulation.” What is the definition of formulation and can we obtain Kiwa certification for a geomembrane produced using a known formulation?
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Bentonite Cutoff Anchorage

February 1, 2024  |  Q&A: GMA Techline

Q: I have a bentonite cutoff wall containing a positive pressure inside and an overfill situation where the waste being capped will have perched water in the waste mass above the perimeter elevation. Do you have a recommendation for the perimeter connection detail for such a situation?
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How geosynthetics help achieve CRISI objectives

February 1, 2024  |  Update

The U.S. Department of Transportation, under the Consolidated Rail Infrastructure and Safety Improvements (CRISI) program, has allocated more than $1.4 billion to upgrade and safeguard rail infrastructure across 35 states and the District of Columbia.
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Geosynthetics mobile app nearing 12,000 downloads

February 1, 2024  |  Editorial

The Federal Highway Administration (FHWA) Local Aid Support, in a collaborative effort with the Geosynthetic Materials Association (GMA), launched the Geosynthetics Installation Notes Tracker mobile app in January 2023 and by early November the app had garnered close to 12,000 downloads. Trinette Ba…
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SCDOT commission appoints secretary of transportation

January 31, 2024  |  News

The South Carolina Department of Transportation Commission has appointed Justin P. Powell as secretary of transportation following the retirement of Christy A. Hall, P.E. in March 2024. Powell is currently the SCDOT’s chief operating officer and has managed the day-to-day operations of SCDOT inclu…
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Engineering support continues at Edevu Hydropower Project

January 30, 2024  |  News

The Edevu Hydropower Project, located on the Brown River approximately 47 km Northeast of Port Moresby in Papua New Guinea, will expand renewable energy generation and provide a reliable energy supply for the community. The project comprises a 55 m high geomembrane faced rockfill dam, overflow chute…
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Webinar – Comparing Geogrids Used in Civil Construction Projects – Feb. 15

January 30, 2024  |  News, Webinars

Tensar presents the webinar – Comparing Geogrids Used in Civil Construction Projects – on February 15, 2024 from 1 to 2 p.m. EST. It is free for members and non-members and you can register here. There are dozens of geogrids and other geosynthetic products used in civil construction projects suc…
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IECA Webinar – The Big Picture: Flocculant Use From Start To Finish – Jan. 31

January 26, 2024  |  News

The International Erosion Control Association (IECA) presents the webinar – The Big Picture: Flocculant Use From Start To Finish – on January 31, 2024 at 11 a.m. MST. It is presented by Seva Iwinski Bray, vice president, Applied Polymer Sciences, the cost is free, and you can register here. In i…
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