Geosynthetics opportunities at IFAI Expo

October 1, 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 …

Geosynthetic Institute announces Fellowship Awards

Four recipients for the 2013–2014 academic year By Bob Koerner The GSI Board of Directors has made its selections for the 2013–2014 GSI Fellowship Awards. This program recognizes and supports outstanding graduate students who are studying geosynthetics. Requests for proposals (RFPs) for 2014–2015, the seventh year of the program, will be announced this winter. To …

Further comment on ‘4-out-of-5’

Colleagues, The “4-out-of-5” question (Geosynthetics, Aug./Sept. 2013, page 8) is rather interesting and brings forth several quick thoughts. As a construction quality assurance (CQA) subcontractor supplying technician resources to engineering firms throughout the United States, I can say that this has been a topic of debate between myself and my clients. Uniformity in interpretation of …

Comments regarding the Aug./Sept. issue of Geosynthetics

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 …

An anniversary and a new direction

2006 GFR officially becomes Geosynthetics with the publication of the February/March 2006 issue … Geosynthetics reports on the Bowman Road bridge in Defiance County, Ohio—the first U.S. bridge to use the Geosynthetic Reinforced Soil/Integrated Bridge System promoted by the Federal Highway Administration (FHWA) … Geosynthetics announces that GMA will offer a new level of membership …

Dynamic shear strength of geosynthetic clay liners

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 …

ASTM geosynthetics standards revising to ISO ‘geo terminology’

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 …

Geosynthetic lining systems for shale gas drilling activities

Usage, regulations, concerns, and challenges By Theresa Andrejack Loux and Archie Filshill 1. Introduction Natural gas has long been used to heat buildings and, more recently, to fuel internal combustion engines and power plants. With natural gas providing an alternative to oil, gasoline, and coal in these applications, it promises a marked decrease in the …

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

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 …

Geosynthetics language now in new water act

GMA efforts get a congressional letter of support Editor’s note The Geosynthetic Materials Association (GMA), working with its government relations firm in Washington, D.C., has helped to generate a congressional letter of support signed by five Members of Congress. The letter calls for specific geosynthetics language in the Water Resources Reform & Development Act (WRRDA). …