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Life after golf: The greening of Cheviot Hills

October 1, 2010

By Chris Kelsey Historic Cheviot Hills Golf Course opened in Raleigh, N.C., in 1930. But during the early 2000s, declining economic conditions and an abundance of golf courses in the region forced some course owners to make challenging decisions about whether to continue operations. Cheviot Hills’ ownership chose to shutter the course and put up …

Strata Geosystems awarded ISO 9001 certification

August 10, 2010

Strata Geosystems India Private Ltd. announced Aug. 10 that its manufacturing plant in Daman, which produces high-tenacity geogrid, was awarded the ISO 9001:2008 Quality Management System Certificate, by internationally recognized certification body TUV-Nord. That standard is developed by the International Organization for Standardization (ISO). “Strata Geosystems takes its quality performance commitment to customers very seriously,” …

Tensar grid wins IGS award

July 15, 2010

Tensar International Corporation’s TriAx geogrid, and the technical developments it represents, won an IGS 2010 Award earlier this year, presented by the International Geosynthetics Society. Tim Oliver, Tensar International vice president of marketing, said: “The IGS Award is all the more significant because it is presented for achievement in the period since 2005, not just …

NAUE grid demonstrates stability at Weimar test

June 17, 2010

More than 100 visitors came to Germany’s Bauhaus University Weimar in June for a Department of Civil Engineering event entitled “Energy. Experiment. Experience.” One of the event’s highlights included a public demonstration of geogrid-reinforced stone columns using a 2.4-ton vehicle. NAUE GmbH & Co. KG, an international manufacturer of geosynthetics, worked with Prof. Dr.-Ing. Karl …

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Silver anniversary: the Tanque Verde retaining walls

October 7, 2009

By Ryan R. Berg, P.E., and Ronald P. Anderson, P.E. Introduction Some days it seems like we have been designing and constructing concrete-faced, geosynthetic-reinforced, mechanically stabilized earth (MSE) walls forever, and that this technique of constructing MSE walls has always been a conventional solution to grade separation projects. Certainly today, geogrid-reinforced walls with drycast concrete …

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Geogrid reinforcing behind rigid concrete retaining walls

From the GMA Techline Subject: Geogrid use behind rigid concrete walls I was wondering if you can provide some information or guidance regarding the use of geogrid reinforcing behind rigid concrete retaining walls. My main questions are: How much can the use of geogrid reduce the lateral earth pressures acting on the retaining wall? How …

New publications from NAUE

September 2, 2009

NAUE GmbH & Co. KG, a worldwide producer of geosynthetics, has announced the release of a new series of publications: “The Four Dimensions of Secugrid®.” These brochures take you through the four main “dimensions” that influence the Secugrid geogrids from manufacture through service life: the individual bars, the radial interlocking geogrid, the geogrid interaction with …

Orton expands production of flat geogrids

August 18, 2009

OJSC Orton, a subsidiary of SIBUR, Moscow, Russia, has expanded its production of flat geogrids by opening a new manufacturing facility in Kemerovo, Russia. The plant, which has a design capacity of 3,000 tons per year, opened under the Aprolat trademark. SIBUR invested in the project in an attempt to provide local customers with a …

Checkmate introduces Trigrid EX bi-axial geogrid

August 14, 2009

Checkmate Geosynthetics Inc. has added Trigrid EX biaxial, a geogrid manufactured by Samyang Corp., to its product line. Checkmate has exclusive distribution rights of Trigrid EX in North America and will also offer design and technical support to customers who purchase the geogrid.

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Geosynthetics in the construction of a Southern California subsurface biofilter cell system

August 1, 2009

By Ronald S. Johnson, Sang-Sik Yeo, and Randy Sundberg Introduction The primary benefits of geosynthetic materials are the flexibility to accommodate a variety of configurations and as a nonreactive barrier for environmental isolation. These benefits are perfectly matched for this project: construction of a subsurface biofilter cell system for the removal of selenium and nitrate …