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GRI GM42: The Next Step in Geomembrane Design — But Only If We Use It Right
For nearly three decades, GRI GM13 has been the benchmark specification for HDPE geomembranes. It was a strong foundation for its time, focusing on UV resistance and general durability in waste containment. But the world has changed. Containment facilities are no longer just landfills; they’re complex, chemically aggressive, and high-risk environments, from tailings to PFAS ponds and salt harvesting pads. That’s why GRI GM42 was developed. Why GM42 Was Developed GRI GM42 was
benlewis24
Nov 202 min read
Design considerations regarding the interface shear strength of geomembrane liners in mining applications (Lupo, 2009)
1. Importance of Interface Shear Strength Geomembrane liners are widely used in heap leach pads , tailings storage facilities , ponds,...
benlewis24
Aug 73 min read
The Advantages of Graphene-Enhanced Conductive Geotextiles in HDPE Liner Integrity Testing
High-density polyethylene (HDPE) liners are crucial components in a variety of containment applications, including landfills, mining...
benlewis24
Sep 30, 20245 min read
Observations and Lessons Learnt - Geomembranes in Operation
The presentation by Drew Crossley and Attila Marta from REE discusses observations and lessons learned from over 100 geosynthetic-lined...
benlewis24
Sep 5, 20242 min read
Stretching the Limits: The Hidden Costs of Strain Tolerance in HDPE Geomembranes
In the world of containment engineering, the strain tolerance of HDPE geomembranes has become a focal point of debate and evolving...
benlewis24
Sep 5, 20245 min read
Proposed Geomembrane Welding Standard Changes to GRI GM19 - Enhancing Durability for Environmental Protection
At the recent GeoANZ conference in Melbourne, Jonathan Shamrock from Tonkin & Taylor Ltd presented a compelling proposal to adjust the...
benlewis24
Jul 18, 20243 min read
Behaviour of Bituminous Geomembrane (BGM) Seams Exposed to Tensile Stress
In a recent presentation by Eric Blond of Eric Blond Consultant Inc., the critical differences between thermoplastic and bituminous...
benlewis24
Jul 18, 20242 min read
Reconsidering the Definition of 'Welding' in Bituminous Geomembrane (BGM) Joining Processes
Understanding the terminology in geosynthetics is of utmost importance as it forms the basis of accurate communication and application....
benlewis24
Jun 11, 20242 min read
GRI-GM13 Limitations for a Tailings Storage Facility (TSF) Liner Design in Western Australia - By Matt Golding of Geofabrics Australasia
Geofabrics spent six months working with a consultant on a liner design for a series of lifts to the upstream face of an existing...
benlewis24
May 28, 20244 min read
Summary of the Paper: Hydraulic and Geochemical Characteristics of a Geosynthetic Clay Liner Exhumed from an Exposed Composite Liner
Overview The paper investigates the performance and alterations of a Geosynthetic Clay Liner (GCL) after 12 years of exposure in a...
benlewis24
May 21, 20243 min read
The Impact of Heat on Bituminous Geomembranes (BGM): Lessons from the Field
Bituminous geomembranes (BGMs) are widely used in various geosynthetic applications due to their durability and flexibility. However,...
benlewis24
May 20, 20243 min read
The Crucial Role of Stress Crack Resistance (SCR) in HDPE Geomembranes
The Crucial Role of Stress Crack Resistance in HDPE Geomembranes In the world of environmental containment, the integrity of...
benlewis24
May 15, 20242 min read
Why is performance testing of liners important in tailings containment?
In the mining industry, the importance of safely containing tailings—byproducts of mineral processing—is paramount. Tailings Storage...
benlewis24
May 14, 20243 min read
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