Polymeric marine mattresses

October 1, 2014  |  Case Studies, Features

Case studies highlight marine mattress applications By Jeff Fiske Introduction Marine mattresses are rock-filled containers constructed with advanced UV-stabilized co-polymer geogrid materials. Geogrid panels are laced together to form mattress-shaped baskets that are filled with small stones simila…
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NAGS meeting report

October 1, 2014  |  News

By Bob Mackey The North American Geosynthetics Society (NAGS) is in the midst of some changes that we want to result in the ability of the society to be more active and have a higher profile within the North American geosynthetics community. Unlike other International Geosynthetics Society (IGS) cha…
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GSI Fellowship Awards announced

October 1, 2014  |  News

By Bob and George Koerner The GSI Board of Directors has made its selections for the GSI Fellowship Awards for academic year 2014-2015. The program recognizes and supports outstanding graduate students researching geosynthetics. The following were selected from 12 new proposals and three renewals. N…
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Geosynthetics standards and specifications

October 1, 2014  |  News

By Lucie Passus An article reprinted in the spring 2001 issue of ASTM International’s Business Link, on a research project entitled “The Economic Benefits of Standardization,” built the case for companies to support standardization. Some highlights from this article emphasized the …
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Hanes acquires ERO-TEX

October 1, 2014  |  News

4th geosynthetics purchase since 2011 By Ron Bygness Winston-Salem, N.C.-based Hanes Geo Components (HGC) announced in an August press release that it has acquired ERO-TEX, a distributor of geotextiles and erosion control materials located in Menomonee Falls, Wis. The acquisition is the fourth for H…
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Geogrid bags provide shallow water habitat in Seattle

October 1, 2014  |  News

Marine mattress installation for new Elliott Bay Seawall By Ron Bygness Why do marine animals need mattresses? A marine mattress, a geogrid bag filled with stone, will provide a shallow water habitat along the new Elliott Bay Seawall in Seattle. This is especially important for small fish, including…
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Allowable stress on geonets based on laboratory creep tests

October 1, 2014  |  Features

By Dhani Narejo and Sam Allen Introduction The first article in this three-part series presented compressive stress-strain behavior of several different geonet structures. The collapse, or rollover, does not occur for many types of geonets. In the absence of a rollover, the compression of geonets is…
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Geofoam SIPs: Thinking outside the (stick-framed) box

October 1, 2014  |  Case Studies

Introduction In this decade of emerging technologies that seek to decrease carbon footprints, structural insulated panels (SIPs) have come of age. More architects and builders are thinking outside the box when designing with SIPs-creating beautiful buildings that approach net zero energy use and off…
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Wakeboarding lakes get synthetic turf revetments

October 1, 2014  |  Products

Erosion control, turbid water addressed with new shoreline protection By Paul O’Malley Introduction The newly opened Terminus Wake Park is located within the LakePoint Sporting Community and Town Center Complex in Emerson, Ga., just off Interstate 75, about 30 miles northwest of Atlanta. This…
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Design considerations for GCLs in leach pad liner systems

October 1, 2014  |  Products

By Chris Athanassopoulos and Mark Smith Introduction Traditionally, leach pad lining systems have consisted of a single geomembrane liner placed directly over a prepared subgrade of locally available soil or, occasionally, compacted clay. Heap fills are most commonly constructed by placing a layer o…
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