May 2021 Vol. 5

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GNA – The Most Widely Read Online Geosynthetics Publication
Time Sensitive Messaging for the Global Geosynthetics Industry


NEWSMAKERS:  * ACIGS * Brian Fraser * Concrete Canvas * EuroBent * ExcelPlas * GCCM * GCLs * George Koerner * Huesker * Layfield * Minegrid™ * Netlon™ * Permeable Reactive Barriers (PRB) * Polyurea * RPE * Simbeck and Associates * Solmax * TektoSeal Active™ * Tiltex™ * Tim Stark * WEC * Western Engineered Containment

BREAKING NEWS

TILTEX MANUFACTURER EUROBENT’S APPEAL REJECTED – ORDER TO PAY €1,000,000 TO CONCRETE CANVAS UPHELD
https://cloud.excelplas.com/s/lJFKJdOXS1mh4pj#pdfviewer

INDUSTRY NEWS

Layfield Case Study ‘Mount Woodson Reservoir Floating Cover Replacement’ by Brian Fraser
https://www.layfieldgroup.com/Geosynthetics/Project-Profiles/Mount-Woodson-Reservoir-Floating-Cover-Replacement.aspx

Special Feature on Modular Geosynthetics Construction
https://assets-global.website-files.com/5977726d80d12837b9592f43/60a42dbd6a9381de3469538c-0421GS-SilvaStarkSimbeck.pdf

Soil Covered Geomembrane Surveys – Solmax Educational Series
https://www.youtube.com/watch?v=OkL4sFMOctY

60,000 Square ft Rollout of Polyurea-Geotextile Secondary Containment Liner Completed Within 4 Days
https://boereport.com/2021/05/27/60000-square-ft-rollout-of-polyurea-secondary-containment-liner-completed-within-4-days/

Huesker Case Study – Subaqueous Capping of Highly Contaminated Sediments at Kendall Bay 
https://www.acigs.org/carrapateena-tsf-and-decant-pond-for-ozminerals-case-study-2/

Development of a New Design Method for Geosynthetic-Reinforced RPEs
https://geosyntheticsmagazine.com/2021/04/01/development-of-a-new-design-method-for-geosynthetic-reinforced-rpes/

Minegrid™ Longwall Recovery Systems Gets You Back on Coal Faster
https://www.mining-technology.com/contractors/dredge/huesker/pressreleases/minegrid-longwall-recovery/

UPCOMING WEBINARS

Uncertainty of Geosynthetic Test Methods – by George Koerner (June 20th & June 28th 2021)
https://www.geosyntheticssociety.org/uncertainty-of-geosynthetic-test-methods-by-george-koerner/

ACigs May Webinar – Geosynthetics QA in Barriers and Floating Covers Applications (26th May, 2021)
By Siamak Paulson and John Cowland
https://www.acigs.org/civicrm/?page=CiviCRM&q=civicrm/event/info&reset=1&id=28

GEOMEMBRANES

Laboratory Study of the Ultraviolet Radiation Effect on an HDPE Geomembrane
https://res.mdpi.com/d_attachment/membranes/membranes-11-00390/article_deploy/membranes-11-00390.pdf

The Influence of Asperities and Surface Roughness on Geomembrane/Geotextile Interface Friction Angle
https://link.springer.com/article/10.1007/s40891-021-00265-y

New ASTM Publication: A Method of Evaluating Geomembrane Strain Caused by Point Loading from Aggregates
https://www.astm.org/DIGITAL_LIBRARY/JOURNALS/GEOTECH/PAGES/GTJ20200221.htm

Estimation of Methane Emissions and BioEnergy Recovery Potential from a Geomembrane-Lined Sanitary Landfill Using FOD, DM and LandGEM models
https://ieeexplore.ieee.org/abstract/document/9429622

GEOTEXTILES

Toluene Bioremediation by Using Geotextile-Layered Permeable Reactive Barriers (PRBs)
https://www.mdpi.com/2227-9717/9/6/906/pdf

A Bioinspired Technique for Improving the Interaction Between Cohesive Soil and Geotextile Reinforcements
https://link.springer.com/article/10.1007/s40891-021-00272-z

Geotextiles and Sand Additives for Horse Arena Footing for Cushioning
https://footingsolutionsusa.com/arena-footing-products/synthetic-sand-additives/

GEOGRID

Influence of Tensile Strength of Geogrid and Subgrade Modulus on Layer Coefficients of Granular Bases
https://www.sciencedirect.com/science/article/abs/pii/S2214391221000477

Geogrid Netlon™-CE121 Reinforced Sand Bed Bearing Capacity Prediction in Presence of Cyclic & Monotonic Loading
https://www.sciencedirect.com/science/article/pii/S2214785321034519

Mechanical Properties of Re-packed Reinforced Earth Embankment During Service Stage
https://www.tandfonline.com/doi/full/10.1080/13467581.2021.1930010

GEOCELL

A Parametric Study on Pavement with Geocell Reinforced Rock Quarry Waste Base on Dredged Soil Subgrade
https://link.springer.com/article/10.1007/s40891-021-00275-w

Limit State and Creep Behaviour of High-Density Polyethylene Geocell
https://link.springer.com/article/10.1007/s40891-021-00269-8

GEOTEXTILE TUBES

Dewatering Contaminated Slurries Using Geotextile Tubes- Learning from Case Histories
https://www.youtube.com/watch?v=4PYgX1_lhlI

Geo-Tubes Meant to Ward Off Coastal Erosion Lie in Tatters 
https://www.indiaspend.com/earthcheck/meant-to-ward-off-coastal-erosion-geotubes-in-andhra-odisha-lie-in-tatters-751165

Tailoring High-Efficiency Polypropylene-Based Composite Geotextiles for Dewatering Fly Ash Slurries
https://www.sciencedirect.com/science/article/abs/pii/S2452213921001704

Why Read GNA?
Understand what is happening in the geosynthetics industry, with analysis on trends, market data and key contacts to help you close the best business deals,
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