March 2021 Vol. 6

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GNA – The Most Widely Read Online Geosynthetics Publication
Reaching more Players in the Geosynthetic Industry 

NEWSMAKERS:  * Afitex-Texel  * Bob Koerner * Boyd Ramsay * Comanco * Draintube™ * ExcelPlas * FGI * GNA * Geosyntec * Geo-X * Gundle * IGS * Kerry Rowe * Knight Piesold * TenCate * WaterSolve LLC

GNA is the World’s #1 Online Source for Geosynthetic News and Information with More Subscribers in the Global Engineering Community
Be more intimately connected to the Geosynthetic world with our weekly newsletters.


Bob Koerner – A Retrospective of a Giant in Geosynthetics (Special Feature)

Boyd Ramsay Receives Highest Letters of Recommendation [PDF]

Affordability for Lithium Batteries Starts with Properly Engineered Geomembrane Liner Systems (Special Feature)
Leakage of HDPE-Lined Brine Ponds Can cause Extensive Environmental Damage

The 6 Most Common Reasons for Failure of Geosynthetics by Prof. Kerry Rowe
Almost all failures are associated with human errors, including:

  1. Designers without the appropriate knowledge copying drawings and specifications for what they think is a similar situation — without recognizing the important differences between the two projects (e.g., a subgrade of sand and gravel)
  2. Design without adequate consideration of the project needs and the conditions to which the geosynthetics will be exposed
  3. Design without recognizing the difference between different geotextiles, geomembranes, GCLs, and geocomposite drains, and how those differences will affect the ability of the geosynthetics to meet the design requirements for a particular project
  4. Design without considering the interaction between the different geosynthetic components and/or between the components and adjacent materials under field conditions
  5. Poor construction and inadequate CQA
  6. Operation of the facility in a manner not anticipated in the design (for example, placing more material than was anticipated in the design without checking stability, or recirculating leachate in a landfill that was not designed for leachate recirculation)

FGI Holds Biennial Meeting and Introduces New Officers & Board of Directors

  • The newly elected FGI officers, who will serve two-year terms (2021–23), are:
  • President: Patrick Elliott (Raven/Colorado Lining International)
  • Treasurer: Brian Fraser (Layfield Group)
  • Secretary: Duff Simbeck (Simbeck and Associates)

The newly elected FGI board of directors also will serve two-year terms (2021–23) and are:

  • Doug Hilts (Hilts Consulting Group)
  • Ray Peebles (Cooley Group)
  • Steve Thaxton (Owens Corning)
  • Jordan Wiechmann (Intertape Polymer Group)

Revolutionizing Containment Applications – GEOSYNTHETICS ARE AMAZINGLY GOOD, BUT NOT MAGICAL

Gundle Geosynthetics 100% Black-Owned Geomembrane Supplier in Africa

Geo-X Complete Massive 1 Million m2 HDPE Lined Gamsberg Zinc Tailings Storage Facility (TSF) Designed by Knight Piesold

Editorial: Geosynthetics for Development of Transportation Infrastructures

Congested Ports and Polyethylene Resin Supply Chain Woes Hit US factories and Stores and Delay Geomembrane Deliveries

TenCate Geosynthetics Publish Blog on Their Hengelo Site and History


Dewatering Contaminated Slurries Using Geotextile Tubes (What’ll They Think of Next?)


Swelling Behaviour and Permeability of Polymerized Bentonite with Due Monomers


Major Failure of Geogrid-Reinforced Soil Structure – The Yeager Airport Lesson


Draintube™ 606 from Afitex-Texel Geosynthetics for Radon Gas Mitigation – Sub-slab Depressurization


IGS UK: Comparative LCA of Geosynthetics versus Conventional Construction Materials (22nd April, 2021)

IGS UK: Gas Resistant Membranes – Where Civil Engineering Meets Construction (18th May, 2021)


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ExcelPlas Geosynthetics Testing Expands Geosynthetic Testing Offerings
ExcelPlas now performs more than 120 standard geosynthetic tests in accordance with relevant  ASTM, GRI, and ISO standards. 
We have extensive experience with all types of geosynthetics – from geomembranes (HDPE, LLDPE, fPP), geotextiles to geonets, geogrids, geocomposites, and geosynthetic clay liners (GCLs).
As a Nationally Accredited Testing Laboratory, our technicians, equipment, and quality system are monitored regularly for proficiency and compliance assuring that you can count on quality results every time. 

Geosynthetic News Alerts – Your Global Source of Geosynthetic News and Technology. Current and Updated!

Among GNA’s objectives are:

  • To promote and educate on the development of specifications and practices that help ensure the proper use of geosynthetics.
  • To locate, interpret and disseminate new scientific research to manufacturers and users of geosynthetic materials.
  • To enhance the knowledge and awareness of contemporary geosynthetic technologies amongst specifiers, users, and installers.

GNA – World’s Leading Source of Breaking News on Geomembranes, Geotextiles, and other Geosynthetics

This Newsletter is brought to you by ExcelPlas Labs Australia’s Largest group of Geosynthetics Testing Labs.

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