VIDEO: Asperity Concentration or Asperity Height for Geomembranes?

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In November, Solmax provided a technical webinar presentation on an important question for geomembranes:  Does asperity height or asperity concentration matter more for increasing interface shear resistance along a geomembrane surface? The presentation is now available for open viewing via the company’s YouTube Channel. More technical presentation videos are available in the Solmax Video Lib... »

OSHA Outreach Training & Safety in Geosynthetic Installation

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Environmental Specialties International is a top-tier installer of geosynthetic materials, with projects in all regions in major infrastructure segments such as waste management, oil and gas, mining, and coal ash. The company may in fact handle more installation projects in the US than any other firm. Despite the scale of ESI’s operations, it maintains a very low Experience Modification Rate... »

GSI Webinar: Wave Management for Proper Deployment of Geomembranes

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The Geosynthetic Institute will host a webinar on “Wave (or Wrinkle) Management for Proper Deployment of Geomembranes” on February 14 from 11:30 am – 1:00 pm EST. GSI Webinars offer a convenient way to get high-level updates and expert-led engineering information on geosynthetics in infrastructure. The wave management webinar will be taught by Dr. Robert Koerner, Director Emeritus of GSI. The pote... »

Geoelectric Liner Survey Equipment and Expertise in Australia

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After performing geoelectric liner leak location and integrity surveys worldwide since about 1985 and teaching others how to do so since 2004, Dr. Ian D. Peggs, P.E., P.Eng. (I-CORP INTERNATIONAL Inc.) reports that he has sold his survey equipment to Tom Seymour of Terra Firma Laboratories in Melbourne, Australia. The transfer occurred during what was Dr. Peggs’s fifth trip to Oz in 2017. During t... »

Waterproof Membranes 2018 Call for Presentations

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AMI has announced the dates of Waterproof Membranes 2018, the 12th installment in the annual series. The call for presentations has been issued. The international conference focuses on the market dynamics, technical innovation, and the manufacture, installation, and performance of membranes (e.g., geomembranes, roofing systems). The conference will be held 5 – 7 November 2018 at the Maritim ... »

HDPE-Lined Reservoir for Artificial Snow on an Alpine Slope

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Ischgl is an internationally renowned ski resort in the Silvretta Mountains of Tyrol. Plenty of natural snowfall supports 200km of downhill pistes (compacted snow runs), but the ability to provide artificial snow early in the season enables the resort to open sooner and gives skiers a longer and more dependable window for time on the slopes. Large reservoirs are needed to support artificial snow p... »

Safety and Geosynthetics Installation

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Over the past 22 years, Environmental Specialties International, Inc. (ESI) has built itself into a top-tier installer of geosynthetic liner materials for environmental containment applications in the United States. The company notes that it has now installed more than 2.5 billion ft.2 geosynthetic materials (>55,000 acres). One of the hallmarks of its growth has been an emphasis on safety. In ... »

REMINDER: Pond Liner System Design and Operation Webinar, January 30

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DON’T MISS THIS WEBINAR OPPORTUNITY! Though pond lining applications are common, the proper design and operation of a pond liner system requires great care. A large number of facilities in need of liquid containment are sensitive sites at which pond leakage could result in heavy repair costs, operational shutdowns, and environmental damage. The North American Chapter of the International Geo... »

New Ownership, Location, and Key Hire for Titan Environmental

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In its 2017 year-end newsletter, Titan Environmental hinted at some positive changes coming to the company. More details are emerging, and they include an announcement of new ownership. Company co-founders Brett Burkard and Kelly Sitarz are still involved, certainly; but they have now welcomed the addition of Juice Lambert (VP of Sales) and Derek Bishop (Chief Financial Officer) to Titan’s ownersh... »

Lining a South African Mine’s Gravity Thickener Tank Floor

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The gravity thickener infrastructure at Exxaro’s Grootegeluk mine in Lephalale, South Africa plays a pivotal role in the recycling of water used for settlement of fines generated through fragmentation (blasting from mining) and degradation (handling processes in pit and plant; loading of trucks, bunkers, silos, chutes, transfer points). When the site operator’s maintenance program deemed it necess... »

New Website for Fabricated Geomembrane Institute

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The Fabricated Geomembrane Institute (FGI) is an industry-sponsored Institute at the University of Illinois focused on advancing the use of fabricated geomembranes through education, research, and technology transfer. FGI invites members and industry professionals to explore its new website at www.fabricatedgeomembrane.com.  One of the highlights of the new website is a pond liner calculator tool.... »

WEBINAR: Pond Liner System Design and Operation

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Though pond lining applications are common, the proper design and operation of a pond liner system requires great care. A large number of facilities in need of liquid containment are sensitive sites at which pond leakage could result in heavy repair costs, operational shutdowns, and environmental damage. The North American Chapter of the International Geosynthetics Society (IGS North America) has ... »

Geosynthetica’s 2017 Top 10 Stories

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Each year we look back at the most-popular reads on Geosynthetica to gauge trends in the field and international reader interests. It also provides us another piece to add to the geosynthetics industry’s historical record. While we find a diverse range of topics in our 2017 Top 10 (most-read) stories, we also find key connections between them. Notably, articles on MSE reinforcement design and indu... »

EXCLUSIVE: Video Interview with Solmax on Acquiring GSE Environmental

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Geosynthetica’s Elizabeth Peggs sits down with Solmax Inc. President Jean-Louis Vangeluwe to discuss the company’s bold move in acquiring GSE Environmental. The move brings together two of the most well-known international brands in geosynthetics manufacturing and engineering. Watch this interview to hear directly from Solmax about when interest in the acquisition developed, the challe... »

NAUE Earns ISO 14001 Environmental Management System Certification

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In its annual year-end newsletter, NAUE Geosynthetics has announced a significant achievement: ISO 14001 Environmental Management Certification for its production sites in Germany. The international company manufactures Bentofix® geosynthetic clay liners, Carbofol® geomembranes, Secugrid® geogrids, Combigrid® composite reinforcement materials, and other well-known geosynthetic brands. The global, ... »

Maximizing Electrical Leak Location Effectiveness with Covered Geomembranes

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By Abigail Gilson-Beck and Julio Ferreira – Designers of geomembrane-lined containment facilities commonly assume two to five leaks per hectare, with each leak of the size or diameter of a few millimeters. A leak is any damage that fully penetrates a geomembrane panel or seam (e.g. hole, perforation, tear, crack or puncture). Typical leaks caused by equipment placing cover material can be orders o... »

GRI-GM19b Brings a Long-Needed Specification Update to Fruition

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In October 2017, the Geosynthetic Research Institute (GRI), which is part of the Folsom, Pennsylvania-based Geosynthetic Institute (GSI) published the GRI-GM19b specification: “Seam Strength and Related Properties of Thermally Bonded Reinforced Polyolefin Geomembranes/Barriers.” The finalization of GM19’s substantial update was a significant achievement for GSI’s member companies and the overall i... »

CLI Earns International Achievement Award

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Colorado Lining International, Inc. has been honored with a 2017 International Achievement Award (IAA). The winning project (“Tucson Water Clearwell Rehabilitation and Replacement”) was recognized for design excellence in specialty fabrics applications. The Clearwell Reservoir is Tucson Water’s largest reservoir in its delivery system. Two 30-million gallon cells serve the site. The first of the t... »

WEBINAR: Asperity Height or Asperity Concentration for Geomembranes?

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For its next technical webinar presentation, Solmax is asking a unique and important question for geomembranes:  Does asperity height or asperity concentration matter more for increasing interface shear resistance along a geomembrane surface? Register online for this free, November 28 (1:00 pm EST) technical webinar. Space is limited! ASPERITY HEIGHT VS ASPERITY CONCENTRATION The objective of text... »

GSE Environmental Awarded High Temperature Geomembrane Patent

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Four years ago, GSE Environmental formally announced the development of polyethylene geomembranes for use in applications with prolonged exposure to temperatures above 60°C (140°F). Now, the company has been awarded US Patent No. 9,518,176 B2 for its High Temperature Geomembrane Liners and Master Batch Compositions. The newest addition to the series, GSE High Temperature Liner, is engineered to wi... »

Geomembranes, Covers, and Containment Systems Webinar – Nov 16

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AGRU America continues its series of geosynthetic engineering webinars on November 16 at 12:00 EST. This new geomembranes and geosynthetic cover and containment systems webinar will address a range of topics.  Engineer Nick Rauh will lead the session and foster discussion on multiple geosynthetic solutions and the various factors that influence performance and improve project economics and efficie... »

Translated: General Recommendations for Geomembranes in Barrier Systems

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The International Geosynthetics Society’s French Chapter (CFG – Le Comité Français des Géosynthétiques) has published an English-language version of its key document Fascicle 10, “General recommendations for the use of geomembranes in barrier systems.”  The resource, which is free for downloading on the IGS French Chatper’s website, pertains to design, construction, and site inspection. The ... »

Graphene-Enhanced Geotextiles Coming to US with Haydale Agreement

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Australia-based Imagine Intelligent Materials has quickly scaled up production of its innovative imgne® X3 coating. The product has enabled the manufacture of the world’s first graphene-enhanced geotextiles, which are currently being manufactured by Geofabrics Australasia. Now, an agreement between Imagine IM and Haydale Technologies Inc. will bring this manufacturing potential to North America. H... »

Success of Geosynthetics 2017 Sets the Stage for 2018 Edition in Chile

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Geosynthetics 2017, the First International Conference on Technology and Application of Geosynthetics, took place in Santiago, Chile 18 – 20 October 2017. The event met all of its inaugural expectations, enjoyed strong industry support, and featured a wide-range of topics and international representation in the short courses and technical programs. Roughly 50 papers (English and Spanish language) ... »

PODCAST: The Rise of ClosureTurf® in Final Cover Systems

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Landfill engineering has advanced significantly over the past 35 years. Geosynthetic lining, capping, and final cover systems have had a lot to do with the tremendous success landfill operators have had in controlling leachate, protecting groundwater, and improving the long-term economics of active landfills and post-closure care periods. In regards to responsible closure of sites, one of the fast... »