TenCate introduces new drainage geosynthetic

August 1, 2009  |  Products

TenCate Geosynthetics has introduced Mirafi MiraGreen™D for site drainage applications for engineers and architects designing environmentally sound projects. The product is a nonwoven drainage geotextile composed of 30% (LEED calculated) recycled content and it can be used in a wide variety of…
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FGI offers short courses

August 1, 2009  |  News

The Fabricated Geomembrane Institute (FGI) will offer “Constructing with Fabricated Geo-membranes—Flexibility, Choices, and Superior Performance” Oct. 23 in Denver. This course is presented by Timothy Stark, Stan Slifer, John Heap, Daren L. Laine, Bill Shehane, Stuart Lange, Andrew…
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Thrace-Linq commissions nonwovens equipment

August 1, 2009  |  News

A new nonwoven production line has been commissioned at the Summerville, S.C., facility of Thrace-Linq. The company’s advanced production line includes a fiber-opening and blending system, oven and dryer, calender, winding and slitting system, and automated packaging. For more information: www…
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Abstracts invited for geosynthetic materials workshop

August 1, 2009  |  News

Abstracts are invited in support of the workshop Geosynthetic Materials Durability: Field and Laboratory Experiences, scheduled for Jan. 29, 2010. This workshop will focus on all types of geosynthetic materials durability in both covered and exposed applications. The four-part workshop includes long…
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Infiltrator acquires Ring Group

August 1, 2009  |  Products

Infiltrator Systems has acquired Ring Industrial Group, manufacturer of the EZflow brand of geosynthetic aggregate drainfield systems. EZflow products are established in the onsite industry with 15 years of installations in more than 30 states and Canadian provinces. The EZflow geosynthetic expanded…
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New Caltrans guide for geotextiles

August 1, 2009  |  Products

A new design guide for using “subgrade enhancement geotextiles” (SEG) in road construction has been produced by the California Department of Transportation (Caltrans). The 18-page document is intended to assist pavement design engineers in five areas: What are SEGs and what functions do …
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Research and innovation: Seismic performance of various geocell earth-retention systems

August 1, 2009  |  Features

By Dov Leshchinsky Editor’s note: Feature articles in Geosynthetics magazine focus on projects and how geosynthetic materials are used in a variety ofapplications. Very rarely is the focus solely on a specific product, company, or individual. Professor Leshchinsky and I note that this article&…
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History, development, and future prospects for geosynthetics industries in China (Part 1 of 2)

August 1, 2009  |  Features, News

By Jingkui Chi Editor’s note: Part 2 of this 2-part series ran in the October/November issue of Geosynthetics. Following the Abstract, Part 2 concludes with sections 3 and 4 of this manuscript. Abstract This article presents an introduction to the development of China’s geosynthetics pro…
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Geosynthetics in the construction of a Southern California subsurface biofilter cell system

August 1, 2009  |  Case Studies

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: construct…
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Erosion-control mix rebuilds Clyde’s creekbank

August 1, 2009  |  Case Studies

A North Carolina town used a portfolio of geosynthetic erosion-control and reinforcement materials to restore a local streambank and relieve safety threats. Introduction During two weeks in September 2004, the town of Clyde, N.C., was pounded by hurricanes Ivan and Frances, both delivering destructi…
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