Registration open for Environmental Connection 2014

October 3rd, 2013

IECA’s annual conference Feb. 25-28 in Nashville Registration is now open for the International Erosion Control Association’s (IECA) Environmental Connection 2014. EC-’14 will include new and interactive education sessions, the largest expo of its kind, and opportunities to develop new business relationships at the world's largest soil and water event. There are nine pre-conference courses […]

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Strata acquires 50% equity in Geo Solucões

October 2nd, 2013

Opportunities in South American markets with World Cup, Olympics In a Sept. 30 press release, Strata Systems Inc. announced that it has acquired 50% of the equity in Brazil-based Geo Solucões Ltd. Geo Solucões, a 12-year-old company with offices in Sao Paulo and Rio de Janeiro, designs and builds advanced soil reinforcement structures including retaining […]

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Geosynthetics opportunities at IFAI Expo

October 1st, 2013

By Andrew Aho The Geosynthetic Materials Association (GMA) is one of a dozen divisions at the Industrial Fabrics Association International (IFAI). IFAI is holding its annual Specialty Fabrics Expo 2013 plus the Advanced Textiles Conference and Trade Show Oct. 22–25 at the Orange County Convention Center in Orlando, Fla. The 2013 edition of IFAI Expo […]

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Monitoring moisture change?

October 1st, 2013

From the GMA Techline RE: Monitoring moisture change? There is an opportunity to monitor an application of the enhanced barrier system at a [municipal] hazardous waste site … for which an extension is currently under construction. The consultant, contractor, client, and authority will be monitoring temperature with time. We would, however, like to monitor GCL […]

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HDPE liner failures

October 1st, 2013

From the GMA Techline RE: HDPE liner failures I am looking for information related to predictions or assessments of liner failures. The lead regulatory agency for an Environmental Impact Statement (EIS) is requesting data on HDPE liner failure assessments associated with geosynthetic covers. Our application is to use HDPE to cover an overburden stockpile with […]

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Synopsis of panel discussion on liner integrity surveys

October 1st, 2013

From a presentation at the Geosynthetics 2013 conference By Abigail Beck Editor's note: Proceedings from the Geosynthetics 2013 conference are available at IFAI A standing-room-only crowd gathered April 3, 2013, for the panel discussion “How to specify a geoelectric leak location survey,” presented during the Geosynthetics 2013 conference April 1–4 in Long Beach, Calif. The […]

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Comments regarding the Aug./Sept. issue of Geosynthetics

October 1st, 2013

To the editor, I just finished reading the excellent Aug./Sept. 2013 edition and felt compelled to share these thoughts with you:  “Market impacts … from coal ash regulation”: This was a very informative update from Boyd Ramsey and Andrew Aho. I’ve read and listened to some of Boyd’s prior commentaries on the Kingston Fossil Plant […]

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Dynamic shear strength of geosynthetic clay liners

October 1st, 2013

Part 3: Dynamic strength By Patrick J. Fox and Chris Athanassopoulos View Part 1 and Part 2. Introduction The final segment of our three-part series on geosynthetic clay liner (GCL) shear strength is devoted to dynamic strength, the strength measured for rapid loading conditions. Static shear strengths have been reported for a wide variety of […]

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ASTM geosynthetics standards revising to ISO ‘geo terminology’

October 1st, 2013

By Bob Mackey Geo terminology—The current issue The ASTM Committee D35 on Geosynthetics was established to develop standards on test methods, guides, practices, and specifications for geosynthetic materials. A component critical to the development of these standards is an agreement within the committee on the geosynthetic terminology used throughout the standards and definitions for each […]

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Geosynthetics: The solution for managing nuclear power generation water supply in an arid environment

October 1st, 2013

By Chris Eichelberger, Gerald Hersh, and Shabbir Pittawala 1.0 Introduction The Palo Verde Nuclear Generating Station is located 55 miles west of downtown Phoenix and is the largest power producer of any kind in the United States. Its three units are capable of generating more than 4,000 megawatts of electricity. The facility provides power to […]

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