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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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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Geotextile tubes as submerged breakwaters

August 1, 2014  |  Products

Improvements in wave transmission reduction for beach restoration By Alfonso Solís Pimentel, González Leija Mariana, Aguilar Escalante Sergio Abstract The north coast of the Yucatán Peninsula in Mexico has been in a regression process for decades. After Hurricane Gilbert (1988) …
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Geosynthetics stabilize deteriorating mine roads

August 1, 2014  |  Products

Improvements in wave transmission reduction for beach restoration By Branden Reall Introduction The roads of a mine are the arteries through which all products (and by-products) pass. Throughout the day, metals and materials are recovered and large trucks make repetitive, usually slow, trips up and …
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Colombia gold mine MSE project

August 1, 2014  |  Products

By Chip Fuller Introduction A Canadian firm, Continental Gold Ltd., is a precious metals mining company and it currently operates the largest gold mine in Colombia, the Buriticá project. Mining products provide approximately 20% of Colombia’s exports and 2.5% of its GDP. The Buritic&aac…
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Void bridging with specialty geosynthetics and thin covers

August 1, 2014  |  Products

By Brian Baillie Introduction Geologic or hydraulically formed cavities and sensitive utility trenches are sometimes a concern on construction, mining, and environmental containment sites. Naturally formed or man-made openings such as these can complicate the design and performance of overriding str…
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Designing to minimize geomembrane leakage

August 1, 2014  |  Products

By Abigail Beck Introduction Specifying a geomembrane as a barrier system component for a containment facility seems like a straightforward task. Once a geomembrane is specified, the containment facility won’t leak, right? The reality behind geomembrane installations is that the ultimate perfo…
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Presto unveils new construction mat

July 2, 2014  |  Products

Strong, lightweight HDPE cited for GeoTerra GTO Appleton, Wis.-based Presto Geosystems in a July 1 press release introduced its new construction mat, GeoTerra GTO. Presto, known in the geosynthetics and erosion control industries for its geocells and porous pavement systems, has also been manufactur…
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Geotextile tube coffer dam provides solution to hydroelectric project construction challenge

June 1, 2014  |  Products

By Gerardo Marti Introduction South-central Chile is blessed with mountains, rivers, an abundance of rain, and usually a predictable annual snowmelt runoff. All of these natural environment and climate conditions allow for the inexpensive sustainable hydroelectric generation of electricity. With Chi…
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Geosynthetics: The science that makes green roofs work

June 1, 2014  |  Products

Green roofs 101: From bottom to top By Allan Wingfield Introduction Most green roofs use a variety of geosynthetic materials to support healthy and sustainable installations. Geosynthetics contribute in many ways to the operational success and long-term sustainability of green roof systems. Because …
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