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GSI offers webinar on expanding landfills
April 4th, 2017
The Geosynthetic Institute (GSI) will offer a webinar on “Lateral and Vertical Expansions Over Old and Existing Landfills,” on April 12, 2017, from 11:30 a.m. to 1 p.m. EDT. With literally thousands of old landfills scattered worldwide, their upgrading (via lateral and vertical expansions) to an engineered landfill is a widespread need. A key aspect […]
TVA invites public comments on dry ash storage
April 3rd, 2017
The Tennessee Valley Authority (TVA) is asking for public input on a draft Environmental Assessment to convert from wet to dry storage of coal ash and other coal combustion residuals at its Paradise Fossil Plant near Drakesboro, Ky. A public open house will be held April 10, 2017, from 5 to 7 p.m. CDT at […]
IFAI’s Advanced Textiles Conference: Testing Program 2017
April 3rd, 2017
At the 2017 Advanced Textiles Conference (ATC), four educational tracks—military, medical, smart fabrics and testing—will give attendees the latest news on the processes, products and profit potential in working with high-tech fabrics and fabrication techniques. The Advanced Textiles Conference, part of IFAI Expo 2017, will be held in New Orleans Sept. 26-29. This year’s ATC […]
New Board of Directors for 2017–2019
April 1st, 2017
The mission of the North American Chapter of the International Geosynthetics Society (IGS–NA) is to provide leadership in advancing geosynthetics education and research to attain their appropriate and widespread use as engineering materials. As the learned society for geosynthetics in North America, our members are engineers, educators, manufacturers, regulators, and researchers, collectively dedicated to creating […]
PART 2 Functions and applications of geosynthetics in roadways
April 1st, 2017
Introduction Part 1 of this article provided an overview of the various functions that geosynthetics can fulfill in roadway applications. These functions include separation, filtration, reinforcement, stiffening, drainage, hydraulic/gas barrier, and protection. Table 1 in that article identified a total of five roadway applications involving geosynthetics. For each of the five roadway applications, the table […]
MSE wall failures vis-à-vis the lack of filtration design
April 1st, 2017
Since 2001, the Geosynthetic Institute (GSI) has been accumulating data on failures of geosynthetic-reinforced mechanically stabilized earth (MSE) retaining walls. We currently have 301 cases, with 191 (63%) caused in whole or part by water in, or adjacent to, the reinforced soil zone. We sincerely hope that our past writings and webinars are helping to […]
Upcoming event: Educate the Educators (EtE) 2017
April 1st, 2017
IGA–NA has been an active participant in this geosynthetics training program for engineering professors. Many schools do not teach geosynthetics because their instructors may not have the knowledge, confidence, or materials to effectively teach it. Educate the Educators (EtE) provides specialized, hands-on training and lecture materials to equip professors to offer effective geosynthetics content at […]
GMA Lobby Day coming at the perfect time for the geosynthetics industry
April 1st, 2017
Looking ahead Don’t forget to join the Geosynthetic Materials Association (GMA) for its upcoming D.C. fly-in on April 26–27. Our biannual Lobby Day will consist of a GMA briefing dinner the evening of April 26 and about 30 meetings on Capitol Hill all day April 27. The GMA Executive Council will also hold a private […]
PART 1 ‘Geosynthetic reinforced soil 101’ leading to rational design of MSE walls and slopes
April 1st, 2017
Introduction The design of many geotechnical structures is based on limit state conditions. For example, in designing gravity walls, the load exerted by the retained soil on the wall is based on an assumed active state of stresses. That is, the wall moves sufficiently outward, enabling the retained soil to mobilize its shear strength along […]
Handing over the reins
April 1st, 2017
The stellar reputation of Geosynthetics magazine is due to its reporting on innovative solutions to complex problems, publishing well-researched articles written by experts in their fields, and consistently putting in print reliable and relevant information for engineers, project managers, and employees of companies engaged in geosynthetics. This is largely due to the 11-year stewardship of […]