Allowable construction loading on geosynthetics

February 1, 2014  |  Products

From the GMA Techline RE: Allowable construction loading on geosynthetics Hello Dr. Koerner, On the question of allowable construction loading on geosynthetics, Daniel and Koerner (2007) state: “If not specifically excluded in the regulations, and if agreed on by the CQA engineer, all-terrain …
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New installation guidelines from FGI/IAGI

December 5, 2013  |  Products

For factory-fabricated lightweight geomembranes The Fabricated Geomembrane Institute (FGI) and the International Association of Geosynthetic Installers (IAGI) have collaborated to produce Guidelines for Installation of: Factory Fabricated Lightweight <0.64mm (25 mil) Thickness. The guidelines are…
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Tensar announces regional partnership with G&O

November 19, 2013  |  Products

To increase geogrid availability and service in Mississippi In a Nov. 18 press release, Atlanta-based Tensar International announced an expanded partnership with G & O Supply Co. Inc. that will increase Tensar’s product accessibility and support service in Mississippi. The new partnership …
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New product: High-temperature geomembranes from GSE

November 18, 2013  |  Products

Retains its mechanical and physical properties Prolonged exposure to temperatures above 60 C (140 F) can have a negative effect on standard polyethylene geomembranes. When the temperature exceeds 60 C, the liner’s mechanical properties more rapidly break down, causing acceleration in stress cr…
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Firestone announces expanded distribution model

November 5, 2013  |  Products

Pond Pro to represent pond lining and geomembrane products Indianapolis-based Firestone Building Products Co. LLC announced in a Nov. 5 press release that it has engaged the Pond Pro sales group to sell its pond lining and geomembrane products. “Firestone Building Products is returning to an i…
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Coated, fabricated geomembrane modernizes Tempe’s water infrastructure

October 1, 2013  |  Products

By John Heap Introduction The primary water treatment system in the city of Tempe, Ariz., serves about 160,000 residents and includes two main facilities: the South Tempe Water Treatment Plant (opened in the 1980s) and the Johnny G. Martinez Water Treatment Plant (built in 1967). The Martinez plant …
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Dynamic shear strength of geosynthetic clay liners

October 1, 2013  |  Products

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 streng…
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HDPE liner failures

October 1, 2013  |  Products

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 app…
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Silt fence?

October 1, 2013  |  Products

From the GMA Techline RE: Silt fence? What are the test methods and specifications for silt fence? (Barry | Georgia) Reply: AASHTO M288 is what most people use for the silt fence specification. In it is a series of test method requirements and these are ASTM Standards. If you want we can send the ta…
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Mullen Burst Test?

October 1, 2013  |  Products

From the GMA Techline RE: Mullen Burst Test? I have a project that requires the Mullen Burst Test (ASTM D3786) be performed on a geotextile that is described as a needle-punched, nonwoven geosynthetic fabric suitable for reinforcement applications. I have been told by a supplier that the Mullen Burs…
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