May 2019 Vol. 7

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GNA the Leading Geosynthetics eNews Magazine Covering the Geosynthetics Industry

Merit Claims Australia’s Leading Geomembrane Supplier & Installer
With Over 3,000 projects & 36 million m² of Geomembrane Liner Product installed

Breaking News – Vale Warns of New Tailings Dam Risk

Brazil’s Vale Warns Another Mine Tailings Dam at Risk of Collapse

Vale Raises Alarm of Potential Tailings Dam Failure

Sensor-Enabled Geotextile Used to Measure Ground Strains Along the New Pipeline

Geosynthetic Reinforced Steep Slopes: Current Technology in the United States


Case Histories of Multi-Layer Interface Tests for Composite Liners and Comparison to Single Interface Tests

Performance Evaluation of Virgin and Recycled Aggregate Bases Stabilized with Geotextiles

Newcrest Tailings Dam Failure Geology and Field Characterisation Report (Declassified)

Newcrest Tailings Dam Failure Foundation Laboratory Testing Report (Declassified)

Newcrest Tailings Dam Failure Tailings Properties Golder Perth Laboratory Testing Report 2 (Declassified)

Rheological Model of Plastic Geogrid-Reinforced Tailings

Investigation of Combined Effects on Measured Strains of Geogrid [PDF]…../Investigation-of-Combined-Effects-on-Measured-Strains-of-Geogrid.pdf

Resilient Response of Geosynthetics from Cyclic and Sustained In-Air Tensile Loading

Webinar: Geofoam Applications for Transportation Infrastructure (May 21, 2019 11:00 a.m.-12:00 p.m. CDT)

New Geomembrane Resin Production Planned for Korea
Hyundai Chemical Company, Ltd. Selects Univation’s UNIPOL™ PE Technology for New High-Density Polyethylene Geomembrane Resin Production

Indian Court Cannot Appoint The Arbitrator In Geotextile Tube Case 
Garware Wall Ropes Ltd. (Appellant) hired Coastal Marine Constructions & Engineering Ltd. (Respondent) for installation of a geotextile tubes

Raven Industries Reports First Quarter Fiscal 2020 Results
Raven Engineered Films was awarded and began fabrication on a new $7.4 million geomembrane installation project in Carlsbad, CA

ASTM D35.04 has recently updated several Geosynthetic Clay Liner standards
Please ensure you have the following correct updated versions:

ASTM D5888-19; “Standard Guide for Storage and Handling of Geosynthetic Clay Liners”:

ASTM D6496 / D6496M-19; “Standard Test Method for Determining Average Bonding Peel Strength Between Top and Bottom Layers of Needle-Punched GCLs:

ASTM D6768 / D6768M-19; “Standard Test Method for Tensile Strength of Geosynthetic Clay Liners

ASTM D35 Workshop on Advances in Characterization of Hydraulic Barrier Performance of GCLs
Wednesday June 05 2019, 9:00 am – 4:00 pm  Sheraton Denver Downtown Hotel, Denver, CO

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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 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. 

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