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The Giroud-Han design method for geosynthetic-reinforced unpaved roads

April 1, 2012

Part 2 | Recommendations for the proper use of the method By Jie Han and J.P. Giroud Since its publication in 2004, the Giroud-Han design method for geosynthetic-reinforced unpaved roads has received considerable attention from the geosynthetics industry. This article is the second of two that provides practical information for the users of the method …

Advanced Drainage Systems now carrying Syntec’s new geogrids

March 26, 2012

Products that offer advantages for road, wall, and slope reinforcement projects Advanced Drainage Systems Inc. (ADS), the Ohio-based producer of corrugated high-density polyethylene (HDPE) pipe, announced in a March 26 press release its addition of 11 geogrid reinforcement products, six biaxial and five uniaxial. Each are available in different strengths and load bearing properties to …

Profile introduces new turf reinforcement mat

March 15, 2012

Next generation of Enkamat Building on the legacy of Enkamat—calling it “the industry’s original turf reinforcement mat”—Profile Products has introduced a new high-performance TRM, Enkamat R45 HP-TRM. In a March 13 press release, Profile said that Enkamat R45 “delivers maximum soil and root reinforcement at low elongations—it will not stretch—due to its high-strength, high-modulus geogrid …

Geogrid to the rescue at Sea-Tac Intl.

March 7, 2012

Airport parking is added using grid-reinforced soil By Jessica Bies Serving nearly 33 million passengers annually, Seattle-Tacoma International Airport is the 17th busiest airport in the U.S. It is also a difficult place to park. With rates ranging anywhere from $4 to $35 a day, the parking scene is a fairly competitive one. That’s one …

After record year, Tensar moves to restructure loans

February 8, 2012

Atlanta-based Tensar Corp. announced in a Feb. 6 press release a strong performance in 2011, with double digit income growth compared to 2010. The release also acknowledged that Standard & Poor’s (S&P) has downgraded the company’s corporate credit rating and the rating on TCO Funding Corp.’s first-lien term loan. The 2011 performance was achieved “through …

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The Giroud-Han design method for geosynthetic-reinforced unpaved roads

February 1, 2012

Part 1 | Method development and calibration By J.P. Giroud and Jie Han Since its publication in 2004, the Giroud-Han design method for geosynthetic-reinforced unpaved roads has received considerable attention from the geosynthetics industry. This article is the first of two that provides practical information for the users of the method as well as for …

KU researchers keep railroads rockin’

January 5, 2012

Geogrid could extend ballast life span By Tim Carpenter Musician Johnny Cash gave voice to travel lust by pointing an acoustic guitar at the country’s spider web of railroad tracks. “Oh, the clickety clack of the railroad track is callin’,” he sang. “One more ride, one more ride.” Researchers at The University of Kansas are …

Saving a local treasure

December 6, 2011

Geogrid technology helps restore Wisconsin lake and wetlands Lake Belle View was once the pride of south-central Wisconsin. Older residents remembered its glory days, when the natural beauty of the 92-acre lake and its surrounding wetlands drew visitors from miles around for music festivals, picnics, and sporting events. But as it filled with farm and …

Maccaferri introduces new biaxial geogrid

December 2, 2011

U.S. manufactured and no patent infringement, company says Maccaferri Inc. announced in a November press release that it is now offering a new biaxial geogrid without any patent infringements. Manufactured in the U.S., the Maccaferri MacGrid EG biaxial geogrids are a single-layer, polypropylene (PP) product, using punched and drawn technology, the release said. Maccaferri, with …

Tensar adds RoaDrain to its roadway stabilization product line

November 11, 2011

Negotiated exclusive sales and marketing rights Atlanta-based Tensar International announced in a Nov. 9 press release the addition of RoaDrain to its range of road stabilizing products. “Tensar has negotiated exclusive sales and marketing rights for RoaDrain throughout the Americas,” said Dean Ditmar, vice president of sales. “The RoaDrain product complements our TriAx geogrid products …