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... »

Alexiew Announces Geotechnical and Geosynthetic Engineering Consultancy

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Dr. Dimiter Alexiew has made his name with more than 30 years of experience in developing advanced geotechnical systems. Now, he announces the formation of Alexiew Geoconsulting, an independent Geosynthetics & Geotechnical Engineering Consultancy. With his new practice. Dr. Alexiew offers a wide range of services to support consultants, contractors, and producers. DIMITER ALEXIEW AS A CONSULTA... »

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 ... »

Geosynthetics in Colombia – An Interview with Carlos Moreno

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Geosynthetica’s Spanish-language publication editor, Natalia Rodado Bernal, had the opportunity to interview engineer Carlos Moreno, who heads up the Geosystems Engineering Department of PAVCO. His group is focused on the technical engineering behind PAVCO’s many geosystems projects, with the company providing consulting, construction, and geosynthetics expertise in civil works. CARLOS MORENO ON G... »

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... »

PODCAST: Disturbed Land Reclamation with Tom Williams

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In this episode of GeoTalk, we check in with Tom Williams, a 40-year veteran of disturbed land reclamation work, much of which has been in connection with mining. Mining activities are integral to the success of an enormous number of industries that are inextricably part of our lives. Communications. Construction. Healthcare. Energy. Transportation. Essentially, everything in modern life is connec... »

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... »

Titan Times 2017 – Radioactive Waste, New Geogrids, and More

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In its Titan Times 2017 Year in Review newsletter, Titan Environmental Containment offers plenty to celebrate and a lot to look forward to. The company shares notes on key projects, revisits some product innovations and product line expansions, recognizes a key employee’s retirement, and more. These updates give glimpses not just at a single company but at some of the larger trends in the field. D... »

Surface Stabilization Needs Drive Diamond Grid Growth in South America

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Polymeric-based, surface stabilization grids have attracted a lot of interest around the world. For stabilization system manufacturer Diamond Grid International, South America has become one of the fastest growing regions of use for its materials. Diamond Grid is utilized in a wide range of sectors in need of surface stabilization solutions, such as trail building, mining, agriculture, landscaping... »

AGRU’s XXL Pipe Facility Offers World’s Largest HDPE Pipe Extrusion

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In March, AGRU America announced its major move into large-diameter plastic pipe. The Charleston, South Carolina facility has been producing HDPE pipe since April, but the company held its grand opening not long ago. The event, which was attended by 160 international customers, revealed further information on the innovative site, including news that AGRU’s XXL Pipe Production Facility is equipped ... »

WEBINAR: Understanding the Role of MARV in Geosynthetic Specifications

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The International Geosynthetics Society North American Chapter (IGS North America) will host a webinar on December 19: Understanding the Role of Minimum Average Roll Values (MARV) in Geosynthetic Specifications. Beth Wilbanks (TenCate Geosynthetics) will lead the 1:00 – 2:00 pm EST session. REGISTER ONLINE Download the webinar flyer (PDF) Cost IGS North America Members: FREE Non-members: USD $20 M... »

Diverting Surface Water from Contaminated Spoils at a Former Mine

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In June 2017, Concrete Canvas® Geosynthetic Cementitious Composite Mat (CC GCCM) was used to line a series of drainage channels at a remediated mining site in Wicklow, Ireland. The channels were engineered to divert surface water around the former contaminated spoils zones. The site had an extraordinarily long history of mining, with copper mining activities having been reported as far back as 172... »

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... »

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... »

JOB OPPORTUNITY: TenCate Geosynthetics Seeks Engineering Business Manager

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TenCate Geosynthetics, one of the world’s largest geosynthetics manufacturer and engineering service providers, seeks to add an engineering business manager in the United States. For more information or to submit a letter and application, contact Brett Odgers: b.odgers@tencate.com TENCATE ENGINEERING BUSINESS MANAGER DETAILS The Engineering Business Manager is responsible for marketing TenCate Geo... »

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) ... »

GIGSA Bursary Applications Due November 1

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The Geosynthetics Interest Group of South Africa (GIGSA)—a chapter of the International Geosynthetics Society—has a strong history of supporting educational endeavors. The chapter’s support comes in the way of technical lectures, publications, event participation, and a regular GIGSA Bursary. The next deadline for applications for the GIGSA Bursary is 1 November 2017. Geosynthetica encourages its ... »

Ashley MacMillan Joins TenCate as an Engineering Business Manager

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TenCate Geosynthetics has announced the addition of Ashley MacMillan, PE as Engineering Business Manager – Northwest (United States). MacMillan is a 7-year veteran with a strong background in geotechnical applications. Among the skills she brings to TenCate is the ability to serve as a mechanically stabilized earth structures expert. MacMillan has been active in her career with the American Societ... »

PODCAST: The Push towards Reinvention in Geomembranes

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Many infrastructure applications rely upon geosynthetic barriers. Over time, we’ve seen the specification of 40 or 60-mil black high-density polyethylene geomembranes become so common that black HDPE can feel almost like a commodity product. In part, this seems at odds with the critical containment these geomembranes provide. But, it is also in part a testimony to how the geosynthetics manufacturi... »

Western ProLine Sets a Course for Geosynthetic Fabrication Success

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When Brawler Industries closed its four locations in the United States, its assets were bought up by various geosynthetics entities. The one location we hadn’t heard about was what happened to the Miles City, Montana assets and inventory. They have certainly not sat idle. Instead, William Phair acquired the site and established a new geosynthetics fabrication company, Western ProLine, LLC, in Marc... »

Strata’s New Geotechnical Software Focuses on GRS Design

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The recently launched StrataPro™ geotechnical software platform from Strata Systems, Inc. is a welcomed addition to the tools engineers can use to improve GRS design. Geosynthetically reinforced soil structures can improve the sustainability, economics, and safety of infrastructure, but they require significant care in planning and material selection. Programs such as StrataPro provide that suppor... »

PODCAST: Bob Mackey on the State of Geosynthetics Education

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A few years ago, the International Geosynthetics Society revived its Educate the Educators program. The initiative was developed in the early 1990s to help educate engineers, regulators, and academics about geosynthetic materials, which were flourishing in field use. More than 20 years later, the field of geosynthetics had grown enormously—but how to engineer with these materials had not become st... »