Concrete Composite Mat Excels in Railway Project

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In October 2015, a Geosynthetic Cementitious Composite Mat (GCCM) was used to line a series of ditches along a railway in Liberdade, Minas Gerais, Brazil. The site was characterized by severe access issues. Several of the ditches were cut into steep slopes on either side of the railway. Poured concrete was considered for the installation; however, this would have required lengthy line closures and... »

Geosynthetic-Concrete Composite Barrier for Brazilian Mine

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In October 2015, a Concrete Canvas® GCCM  (Geosynthetic Cementitious Composite Mat) composite barrier was used to line a newly constructed drainage lagoon at Votorantim Metais Zinco mine in Vazante, Minas Gerais, Brazil. The site needed to transport alkaline mine water through a series of drainage ditches—also to be lined—to the lagoon where the water would be treated. (EDITOR’S NOTE: See sl... »

Geomembranes in Mining: the State of Research

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An interview with Dr. Fady Abdelaal, GeoEngineering Centre at Queen’s-RMC, Queen’s University, Kingston, Canada, by Chris Kelsey The first conference dedicated exclusively to geosynthetics in mining was held in Vancouver, Canada in September 2014. One of the presenters was Dr. Fady Abdelaal, who for the past 6 years has been part of the long-running geosynthetic barrier systems research being led ... »

November Webinar: Geosynthetics in Hydraulic Structures

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Live and on-demand education for engineers has really taken off. The North American Geosynthetics Society (NAGS) ran a successful webinar series in 2014. The online site Geo-U.com has been delivering geosynthetics-related on-demand presentations from international experts. And the Geosynthetic Institute (GSI) hosts monthly webinars. On November 12, Dr. Robert Koerner will continue the series with ... »

Zero-Leak Liners

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The dream of zero-leak liners has become a reality. While many geosynthetic containment systems have been installed and produced a zero-leak final product, this type of performance is not typical. In fact, a certain amount of leakage is expected and accounted for in proper geosynthetic designs. At Geosynthetics Mining Solutions 2014 (September 10 – 13, Vancouver), Glen W. Toepfer of CQA Solu... »

Concrete Canvas Wins Queen’s Award

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Concrete Canvas Ltd was presented with a Queen’s Award for Enterprise in Innovation on the 17 July 2014 by the Lord Lieutenant of Mid Glamorgan Mrs Kate Thomas. The awards are made annually by HM The Queen, and are only given for the highest levels of excellence in each category. Concrete Canvas Ltd. has been presented with this award due to its ground breaking material, Concrete Canvas GCCM*, whi... »

UK Environment Agency Republishes Geomembrane Publications

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You may be seeing a lot of familiar material returning from the Environment Agency of the United Kingdom online. A new website for www.uk.gov has started reissuing reports as it replenishes its online library. Some of these materials feature updated layouts and sections, but some are also older reports (e.g., from 2009’s series) bearing only a new date (the date of reposting to the site). That cer... »

Liner and Floating Cover for Cleaner California Water

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By Layfield Environmental Containment – The Lee Lake Water District was required by the California Regional Water Quality Control Board (RWQCB) to tender the design and construction of a containment structure fully equipped with a geomembrane base-liner (to protect the groundwater) and a floating cover. The floating cover was required to control odor, eliminate evaporation and protect the E.... »

Uncontained: Glen Toepfer Opens Up on CQA

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Glen Toepfer has brought an extraordinary amount of CQA experience to complicated geosynthetic projects, such as the “zero leak” strategy he helped implement at a revered nuclear facility installation. He’s also shared his professional experience through short courses, which he and his CQA Solutions colleagues hold every year at their corporate headquarters in Toledo, Ohio. Now, he’s hitting publi... »

VIDEO: Stormwater Basin with Geosynthetic Clay Liner

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HUESKER has published the English-language version of its application video “Sealing of a Stormwater Holding Basin with Tektoseal®”. The video explains the sealing of a water reservoir via a project in Kempen, Germany. OTHER RESOURCES FROM HUESKER Water reservoirs page Tektoseal® geosynthetic clay liners (GCLs) »

EMPLOYMENT: CQA Market Development in Mining, Energy, and Waste

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CQA Solutions, Ltd. (http://cqasolutions.co), a leader in containment construction quality assurance (CQA), is looking to expand our field services department in the Mining, Energy, Shale Gas, and Waste Containment sectors.  We seek established professionals with a vast industry network within one or more of these market sectors for sales and business development positions. Please submit resume to... »

Layfield to distribute CSPE geomembranes in Australia

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Vancouver, British Columbia – Burke Industries based out of San Jose, California is pleased to announce that it will be working with Layfield Environmental Systems, based out of Vancouver, Canada for the supply and distribution of its Chlorosulfonated Polyethylene (CSPE) products in Australia: CSPE geomembranes. CSPE is a highly UV-stabilized, engineered geomembrane, used extensively in muni... »