GCL Transforms Australian Quarry into Landfill

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By NAUE – An Australian quarry became of the country’s largest landfills, with the installation of a geosynthetic clay liner (GCL) barrier system. The site, known as the Western Landfill, has an available airspace totaling more than 15,000,000m3. Since 1999, the facility has offered municipal and commercial waste management services to metropolitan Melbourne. Today, more than 30% of Vi... »

Kerry Rowe Elected to National Academy of Engineering

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Prof. Kerry Rowe has made numerous, substantial contributions to barrier systems research, education, and regulation during his 30+ year career. The US-based National Academy of Engineering agrees. A February 8 NAE announcement named Rowe among just 22 other engineers from outside the United States who have been elected members here in 2016. It is a prestigious and well-earned achievement.  He is ... »

GCLs Continue to Influence Barrier Designs

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The use of geosynthetic clay liners–GCLs–in engineered barrier systems has broadened substantially. Part of this growth has been fueled by a long record of successful performance. And, as with other geosynthetics, the growth has also been supported by numerous manufacturing and design advances. These have enabled GCLs to be far more application and site-specific today. GCLS & BENTO... »

AUSTRALIA: Rowe Headlines Multi-Component GCL Seminar

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Renowned researcher and educator, Dr. R. Kerry Rowe, P.Eng., has been announced as the featured presented during a multi-city seminar tour of Australia. The topic, “Multi-component Geosynthetic Clay Liners,” will feature research, design, and local case studies. DOWNLOAD THE EVENT BROCHURE (PDF) Key topics in the session include landfill applications, water resource management, tailings dams, inte... »

GSE Environmental Emerges from Chapter 11 a Stronger Global Company

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HOUSTON — 11 August 2014 — GSE Environmental, Inc. (“GSE”), the leading global manufacturer and marketer of geosynthetic lining solutions, announced that it has formally emerged from the Chapter 11 process as a stronger global company well-positioned to accelerate growth and continue to meet the evolving needs of its customers. The company’s Plan of Reorganization was approved by... »

GSE Environmental Plan Confirmed, Chapter 11 Ending Shortly

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HOUSTON — GSE Environmental, Inc. (“GSE”) (OTCQB: GSEHQ), the leading global manufacturer and marketer of geosynthetic lining solutions, announced that it has received confirmation of its Plan of Reorganization from the Bankruptcy Court for the District of Delaware, which has been overseeing the Company’s Chapter 11 proceedings following its voluntary filing on May 4, 2014. The Plan re... »

INTERVIEW: Agru America Enters the GCL Market

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Nathan Ivy, Technical/CSR Coordinator at Agru America, Inc., has worked in the geosynthetics field for 20+ years. His company, which is one of the world’s largest geosynthetics manufacturers and very well known in the barrier market, is launching a line of geosynthetic clay liners (Agru GeoClay™). Geosynthetica’s editor Chris Kelsey traded thoughts with Ivy on the years the company has... »

GSE Reaches Consensual Agreement with Lenders

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HOUSTON — (May 5, 2014) — GSE Environmental, Inc., (“GSE” or the “Company”) (OTCQB: GSEH), a leading manufacturer and marketer of geosynthetic lining solutions, announced today an agreement with its lenders to restructure its balance sheet by converting all of its outstanding first lien debt to equity, leaving the Company well-positioned for long-term growth and profitability. In order to implemen... »

GSE Environmental Files for Chapter 11 Bankruptcy Protection

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On Sunday, GSE Environmental filed paperwork for Chapter 11 bankruptcy protection in North America. The news was first reported by Reuters. The voluntary petition was made in United States Bankruptcy Court for the District of Delaware and follows a tumultuous 2014 in which the company abruptly needed to seek new financing and lost its listing on the New York Stock Exchange. UPDATE: GSE REACHES CON... »

VIDEO: Underwater Installation of GCL for Flood Protection

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By NAUE – The video “Dam Sealing with Bentofix® BZ 13-B” shows how Geosynthetic Clay Liners (GCLs) allow ecological, economical and safe construction, including for underwater installation of a flood protection sealing system. A barrage along the Lech River in Feldheim, Germany is profiled. The Feldheim barrage is located directly in a nature reserve, 40 km north of Augsburg. As ... »

CQA Week Expands Opportunities and Improves Installations

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The growing issues and opportunities in construction quality assurance (CQA) will be explored on two sides of the world in March and April. From March 25 – 28, CQA Week and its affiliated professional training and certification opportunities will be held on Australia’s Gold Coast. Approximately 8,200 miles and two weeks later, CQA Week events will take place in Austin, Texas (April 14 – 18, CQA We... »

NAGS 2014 Webinar Series Opens with R. Kerry Rowe on GCLs

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On 19 March 2014, a new series of webinars from the North American Geosynthetics Society (NAGS) will debut. Tentatively scheduled to be quarterly installments, NAGS and the Geosynthetics Division of the Canadian Geotechnical Society (CGS) have tapped internationally-renowned geosynthetics expert Prof. R. Kerry Rowe to launch the series. His topic: “Recent insights on the performance of GCLs ... »

AMCOL Awarded Major GCL Supply Contract

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 HOFFMAN ESTATES, IL — (Marketwired) — AMCOL International Corporation (NYSE: ACO) announced today that it is furnishing more than 1.5 million square meters (16 million+ square feet) of its Resistex® geosynthetic clay liner (GCL) product to a new aluminum processing facility in Saudi Arabia. The $25.3 million contract includes supply of the GCL and all other components of the multi-lay... »

Geosynthetics in Mining Applications: Containment

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When GeoAfrica 2013 convenes in Accra, Ghana 18-20 November 2013, Prof. Malek Bouazza (Monash University) will deliver one of the keynote addresses on a subject dear to Ghana’s continuing development: mining. Prof. Bouazza will focus on the many ways geosynthetics have, can and should be utilized in mining. Here, we publish a summary of “Geosynthetics in Mining Applications: What have we learned?”... »

GSE Appoints Sorrentino and Storey to Top Positions

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HOUSTON — (November 4, 2013) — GSE Holding, Inc., (the “Company” or “GSE”) (NYSE:GSE) the leading global provider of highly engineered geosynthetic containment solutions for environmental protection and confinement applications, today announced that Charles A. Sorrentino, a current member of the Board and interim President and Chief Executive Officer, has been appointed the Company’s permanent Pre... »

GSI Webinar – Geosynthetics in Heap Leach Mining

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By Geosynthetic Institute – The next GSI Webinar will be “Geosynthetics in Heap Leach Mining.” It will take place 13 November 2013 from 11:30 am to 1:00 pm (EST). This continues the Geosynthetic Institute’s (GSI) monthly webinar series, with each session being held every second Wednesday of the month. REGISTER VIA THE GSI WEBSITE   Over the past ten years the extractio... »

Will Gates Returns to Minnesota: GCLs, Mining, and More

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On October 17, Dr. Will Gates (SmecTech Research Consulting, Monash University) wrapped up some visits in the United States with a talk organized by the Minnesota Geotechnical Society (MGS). Gates, who lives and works in Australia, was born and raised in Minnesota and has become one of the foremost experts on clays, particularly as they are or can be utilized in geosynthetic designs and materials ... »

Australia: Peggs Headlines Jan/Feb Liner Seminar Series

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Geofabrics Australasia has confirmed dates and speakers for the multi-city geosynthetic liner seminar series it is sponsoring across Australia in January and February 2014. Dr. Ian D. Peggs, P.E., P.Eng, of I-CORP INTERNATIONAL has been announced as the key speaker. Dr. Peggs is an international expert on liner testing, failure analysis and geosynthetic materials R&D; and he has been a leading... »

New Project Stories from Australia via Global Synthetics

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Australia-based Global Synthetics has released its latest edition of GeoNews, a regular publication that highlights geosynthetic projects and affiliated engineering and construction issues within the company’s markets. The October 2013 issue includes project stories on: Use of geotextile and geogrid materials in tailings platform and capping work The utilization of a coated GCL (Bentofix® X) for a... »

D35 Publishes Geosynthetic Clay Liner Symposium Book

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During the June 2012 ASTM meeting of Committee D35 on Geosynthetics, a special symposium was held on “Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners.” This marked the third GCL symposia the committee had conducted, with the first two taking place in 1996 and 2003. Here in 2013, the book from that gathering has been published in print and digita... »

CETCO Offers Leachate Testing for Liner Selection

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By CETCO – Wastes are evolving. Has your liner system? Send us your waste or leachate samples, we’ll suggest the optimum geosynthetic clay liner (GCL) for your site. While sodium bentonite has served as an effective hydraulic barrier in many containment applications for many years, standard bentonite-based GCLs have their known limitations. CETCO now offers a line of enhanced chemical ... »

GCLs: The Clay Minerals Society Marks 50 Years with October Event

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From 6-10 October 2013, the Clay Minerals Society will gather at the University of Illinois Urbana-Champaign and mark a significant milestone: their 50th anniversary. The October 9 barrier session will be of particular interest to engineering and construction professionals who work with geosynthetic clay liners (GCLs). Multiple PDHs will be available to attendees. LEARN MORE AND REGISTER While the... »

Improving the Stability of Heap Leach Pads

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By Allan J. Breitenbach, P.E., and Chris Athanassopoulos, P.E. – Geosynthetic composite liner systems, consisting of geosynthetic clay liners (GCLs) underlying geomembrane liners, are seeing increased use in heap leach pads due to faster construction time and improved liquid containment compared to compacted clay liners. The improved hydraulic performance provided by geomembrane/GCL composite lini... »

Huesker Introduces Tektoseal® GCLs

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8 July 2013 – Geosynthetic clay liners (GCL) have been successfully used for many years as a natural sealing option for groundwater protection, contaminated site remediation, landfill construction, hydraulic engineering and road construction applications. The continuing development of industrially manufactured bentonite sealing systems has culminated in a new product, Tektoseal®, as the late... »

From the Archives: D35 Guide for Evaluating GCL Direct Shear

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One from the archives: ASTM Committee D35 on Geosynthetics’ March 2013 announcement of a direct shear-related revised test for geosynthetic clay liners (GCLs) has us recalling Geosynthetica’s May 2011 article on an at-the-time new direct shear guide. The March 2013 revised standard is ASTM D6243-13 – Standard Test Method for Determining the Internal and Interface Shear Resistance... »