Using expanded polystyrene (EPS) geofoam in road and bridge projects

January 1, 1970  |  Case Studies

Problem: Highway capacity is insufficient to meet growing demand Traffic congestion on highways in the United States continues to be an area of concern to the traveling public, and to roadway managers. Every year, congestion continues to grow as vehicle travel increases and the nation’s bridges an…
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Geosynthetics in the Greater Grand Forks Greenway

January 1, 1970  |  Case Studies

By Adam Regn Arvidson The turf reinforcement mat (TRM) in the Red River Greenway project is Enkamat, manufactured by Colbond, a Dutch company with production facilities in Europe and the U.S. The 3-dimensional nondegradable matting is made of continuous nylon or polypropylene filaments fused at thei…
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Crew faces many challenges in completing Newry-to-Dundalk roadway

January 1, 1970  |  Case Studies

By Ron Bygness The A1/N1 Newry-to-Dundalk link road is a cross-border, design-and-build route that runs between the Cloghoge roundabout, south of Newry, Northern Ireland, and the Ballymascanlon interchange, north of Dundalk, Republic of Ireland. The new road forms part of the main Dublin–Belfast c…
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Grand Isle to get storm-surge protection before 2009 hurricane season

January 1, 1970  |  Case Studies

By Ron Bygness Ending more than a dozen years of debate regarding plans to upgrade storm-surge protection for Grand Isle, La., Gov. Bobby Jindal’s administration signed an agreement in April with the U.S. Army Corps of Engineers (USACE) for a $50 million project to rebuild the island’s decimated…
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Strength without density: Geofoam at work on the CAS green roof

January 1, 1970  |  Case Studies

An innovative redesign transforms the California Academy of Sciences. By Shelby Gonzalez Introduction The California Academy of Sciences (CAS) in San Francisco has completed a transformation. Its innovative redesign has already gained international recognition as a cultural icon. Under one “living…
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History of the Kam Kotia Mine

January 1, 1970  |  Case Studies

By Bruno Herlin, P.Eng. Introduction The former Kam Kotia Mine was in operation for several decades, rendering copper, zinc, and secondary silver and gold. The site is located in northeastern Ontario, within Robb Township, northwest of the city of Timmins. This abandoned site had approximately 6 mil…
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