Maximizing Electrical Leak Location Effectiveness with Covered Geomembranes

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By Abigail Gilson-Beck and Julio Ferreira – Designers of geomembrane-lined containment facilities commonly assume two to five leaks per hectare, with each leak of the size or diameter of a few millimeters. A leak is any damage that fully penetrates a geomembrane panel or seam (e.g. hole, perforation, tear, crack or puncture). Typical leaks caused by equipment placing cover material can be orders o... »

Looking Back on the Geosynthetics Pavilion and Summit in Brazil

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The mid-June BW Expo 2017 brought thousands of civil and environmental engineering professionals to São Paulo, where they encountered a first: a Geosynthetics Pavilion. Geosynthetica’s Brazil-market publication organized the pavilion to introduce the materials and some key companies to the gathering. The BW Expo focused on sustainability in water, waste, air, and energy. It was co-located with the... »

SOBRATEMA Summit 2017 Includes Geosynthetics Module

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From June 7 to 9, professionals in construction, engineering, and equipment will gather in Sao Paulo, Brazil at the co-located events of BW Expo 2017, Construction Expo 2017 (International Fair of Buildings and Infrastructure Works), M & T Parts and Services 2017 (Congress of Technology and Management of Equipment for Construction and Mining), and the SOBRATEMA Summit 2017. The multi-event gat... »

Photos from Geomembrane Welding Quality Workshop

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Geosynthetica organized a geomembrane welding quality workshop in São Paulo, Brazil on April 18 and 19. Our Brazil industry editor Bruno Pedroni attended and reports that more than 30 professionals participated in the event, which was the second workshop of its type in the country. The first workshop was held in 2015. The two-day geomembrane welding quality education was held at the Institute of E... »

INTERVIEW: Dr. Julio Ferreira on Geosynthetics in the Americas

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Geosynthetica Latin America’s editor Natalia Rodado caught up with Dr. Julio Ferreira (TRI Ambiental, Brazil) during GeosPeru 2017. In the interview that followed, they discussed the growth of geosynthetics in South America, some of the things that connect and differentiate the practice in North and South America, and the field’s future. Natalia’s article follows, with translation and additional d... »

Brazil Workshop on Geosynthetics Installation

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Geosynthetica’s Portuguese-language publication, Geosynthetica.net.br, has organized the 2nd Brazil Workshop on Quality in Geosynthetics Installation. The event will be held April 18 – 19 at the Engineering Institute in São Paulo, Brazil. The event is organized by Geosynthetica’s Portuguese-language, Brazil-market publication Geosynthetica.net.br. Participants will also have an opportunity o... »

New Equipment Enables Transparent, 3D Soil-Geogrid Interaction Pullout Testing

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The September 2015 issue of ASTM’s Geotechnical Testing Journal will feature a new article from Dr. Julio Ferreira and Dr. Jorge Zornberg. The focus of their work is “A Transparent Pullout Testing Device for 3D Evaluation of Soil–Geogrid Interaction.” Derived from a new, small-scale transparent pullout testing device—one with transparent bottom plate and sidewalls that fit in load fram... »