GNA – The Most Widely Read Online Geosynthetics Publication
Time Sensitive Messaging for the Global Geosynthetics Industry
NEWSMAKERS * Bennamanns * Cecil County Landfill * CMC * Cooley * Cooltech™ * ExcelPlas * Geotextile Sand Containers * Geo-tube * GNA * John Henderson * John Lostumbo * Maccaferri * Mark Harris * Mustang Extreme Environmental Services * PE-RT * Pit Thermal Energy Storages (PTES) * Solmax * Tensar * Watershed Geo
Delivering curated, real-time updates on innovation, technical research, and legislative developments in the geosynthetics sector
BREAKING NEWS
Solmax Secures Extension of Revolving Credit Facility Up to USD 92.5 Mill
Top Brass Tipped to Leave Solmax Americas
John Henderson President, Americas at Solmaxisreportedly going to lead a CMC (Tensar) product division
John Lostumbo Solmax (VP, Marketing & Technical Services / technical leadership)is to believed to be joiningMaccaferri
Mark Harris VP of Environmental Sales for the Americas has recently left Solmax and has joined Mustang Extreme Environmental ServicesasVice President of Sales (Construction Services).
INDUSTRY NEWS
Cooley Develop Cost-Effective Reinforced Polyethylene Geomembrane with High Durability [PDF]
Lifetime Assessment of Polyolefinic Liners for Pit Thermal Energy Storages
This paper presents the lifetime assessment of polyolefinic liner materials for pit thermal energy storages (PTES). The study introduces a predictive approach based on accelerated aging of micro-specimens, enabling lifetime extrapolation to real-scale liners under service-relevant conditions. A novel high-temperature-resistant polypropylene (PP-HTR) was tested between 85°C and 135°C. Aging was evaluated by oxidation onset temperature and strain-at-break, determined through thermal analysis and tensile testing. Results were compared to commercial polypropylene random copolymer (PP-R) and high-density polyethylene (PE-RT) grades. For lifetime extrapolation, an Arrhenius relationship was established for temperature dependence and a power law model for the effect of thickness. Assuming cumulative damages, lifetime values were estimated for several upcoming PTES. The novel PP-HTR liner exhibited superior long-term durability, outperforming PP-R and PE-RT materials by a factor of 4 and 6, respectively. Endurance times of up to 50 years at 80°C were deduced.
Maccaferri Wins Deal on Two Major Infrastructure Projects in Saudi Arabia
Cecil County Landfill Wins Award
The award-winning Cecil County project included extensive earthwork, the construction of leachate and landfill gas collection systems and the installation of a landfill liner system consisting of a 24-inch-thick clay sub-base, a geosynthetic clay liner, and HDPE geomembrane, geotextile and an 18-inch-thick stone drainage layer.
Coir Geotextile Pathway Sabotaged on Valanthakad Island
Millions Earmarked for Geotextile Sand-Bag Wall to Save Inverloch Beach in Australia
Geotextile Bags Filled with Sand Protect Against Coastal Erosion in India
NEW PATENTS
Biogas Company Bennamanns Patent New Geomembrane Lagoon Cover
Biogas Company Bennamanns Patent New Geomembrane Lagoon Cover with Mechanical Locking Edges
Watershed Geosynthetics Patent Novel Lateral Collection Grid for Landfill Gas
Watershed Geosynthetics Develop Method for Attaching Geogrid to a Geomembrane
DURABILITY OF GEOSYNTHETICS
Durability Assessment of HDPE Geomembrane in a Concrete Water Supply Canal: A 10-Year Case Study
GEOMEMBRANES
Assessment of Heat Transfer-Induced Contaminant Transport for a GMB/GCL/CCL Liner System
High-Temperature Resistant HDPE Geomembrane Ageing Study for Acidic Mine Waste Containment [PDF]
GCLs
Hydraulic Conductivity of GCL Containing Polymerized Bentonite with Low Mass Per Unit Area (MPUA)
Assessment of Heat Transfer-Induced Contaminant Transport for a GMB/GCL/CCL Liner System
Long-Term Hydraulic and Containment Response of GCLs to PFAS-Impacted Leachates
GEO-TUBES
Innovative Geo-Tube Dewatering Solutions for Environmental Dredging: Case Study of O Burgo Estuary, Spain
Central to the remediation was Spain’s first major application of geotextile dewatering tubes for large-scale sediment management. Two on-land enclosures lined with HDPE membranes housed 121 dewatering tubes arranged in multiple layers, effectively containing dredged sediments pumped directly from the estuary.
GEOGRIDS
Engineering Geogrid Enabled Low Carbon and Aggregate Efficient Flexible Pavements
Stability Aspects of Geosynthetic Reinforced Wall Using Marginal Soils as Reinforced Backfill
Engineering Geogrid Enabled Low Carbon and Aggregate Efficient Flexible Pavements
GEOFOAM
First Geofoam Roadway Embankment Application in Romania: A Case Study
PVDs
SLOPE STABILITY
ELECTROOSMOSIS
GNA – the Recognized Source of Trends and New Technology in the Global Geosynthetics Space
GNA was established in 2011 with the goal to promote the knowledge and usage of geosynthetic products and their benefits, performance properties and limitations
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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.
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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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