Terrafix Geosynthetics new joint venture with Albarrie

June 22, 2010

Terrafix Geosynthetics Inc. announced in May the launch of a new joint venture with Albarrie Canada, according to a press release from the company. The two firms are joining forces to create Terrafix Albarrie Geosynthetics (TAG). TAG will manufacture a full line of geosynthetic clay liners (GCLs) as well as other specialty products in Barrie, …

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 …

New lines from Vietnam

Vietnam-headquartered Vison is entering the nonwovens market with the installation of new lines in the Hanoi and Ho Chi Minh regions. Vison is one of many new companies in Vietnam ushered in by the wave of private investment since the turn of this century. Formed in 2005 by local entrepreneur Trinh Thanh Vinh, the company …

Profile introduces new biodegradable growth medium

Building on the performance of the original Flexterra Flexible Growth Medium, Profile Products unveiled its new patent-pending Flexterra High Performance-Flexible Growth Medium (HP-FGM) in June. In a company press release, Profile said that the HP-FGM product represents the next generation in flexible growth media, offering 600% greater initial seed germination and more than 250% greater …

IFAI members assist in oil spill cleanup

June 2, 2010

By Abbie Yarger More than 60 members of the Industrial Fabrics Association International are preparing products for clean-up efforts in the Gulf of Mexico following the April 20 explosion of the BP-owned Deepwater Horizon oil rig. The oil gusher at the source of the spill, located 5,000 feet below the ocean surface and about 40 …

A young engineer, molasses, and failed sand drains

June 1, 2010

Editor’s Note: The October 2009 issue included lots of geosynthetics history, including this article by Bob Koerner. Comment: “A young engineer, molasses, and failed sand drains” From: Peter Davies, Kaytech South Africa Posted: Nov. 1, 2009 Hi Bob and thank you for a thought-provoking lesson. I am forwarding it to a number of acquaintances in the …

Heavy equipment

Editor’s Note: In the February 2009 issue, a retaining walls article included photos with heavy construction equipment. A reader asked a question about this and an answer is provided by the wall builder. Comment RE: Heavy equipment From: George S. Posted: Jan. 28, 2010 I have seen these reinforced walls being used a lot in …

Slope angles

Editor’s Note: In the June 2009 issue, Tim Stark, an engineering professor at the University of Illinois, answered a question regarding geosynthetic-lined slopes. Prof. Ed Kavazanjian’s comments offer further information on the subject. Comment From: Ed Kavazanjian, Arizona State University Posted: Aug. 15, 2009 Tim Stark’s [answer] on restricting the inclination of a geosynthetic lined …

Seismic performance

Editor’s Note: The August 2009 issue included an article regarding seismic performance of geocells by Prof. Dov Leshchinsky. A reader offered a compliment and a request. Comment From: Slobodan Riger, Alfa Invest Posted: Aug. 28, 2009 Excellent presentation. We will be interested [in] analysis for higher walls, 5-8m, and the load of highway on the …

Subgrade enhancement geotextiles

Editor’s Note: An August 2009 article briefly described a new California DOT (Caltrans) guide for using subgrade enhancement geotextiles. In a comment on this article, the reader poses a question, which is answered by (a) the author of the Caltrans guide and (b) Geosynthetics editor Ron Bygness. Comment: SEG Guide error? From: Wendel B. Posted: …