Erosion Control Technology Council Marks 25 Years

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In a November 15 release, the Erosion Control Technology Council has marked its 25 years of industry collaboration towards better erosion and sediment control practices. “Through leadership, standardization and educational efforts,” the organization writes, “the Erosion Control Technology Council (ECTC) has had a positive influence on the industry since being established by a small group of people... »

ECTC Revises the Rolled Erosion Control Products Specification

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The Erosion Control Technology Council provides a voice for the large field of professionals who focus on engineering solutions to control soil loss and assist with vegetation establishment.  One of the effective tools ECTC has developed is a Rolled Erosion Control Products specification. The organization announced in late August that its members have revised the RECP spec. The Rolled Erosion Cont... »

Raven Industries Expands Manufacturing Capabilities

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Raven Industries Engineered Films Division (NASDAQ:RAVN) has made its mark with polymeric films and sheets, including well-known geomembrane lines. The company has steadily invested in material development and increased its manufacturing capabilities. Recently, it announced the installation of a 7-layer cast extrusion lamination line. The new line is housed in Sioux Falls, South Dakota, where the ... »

Raven Launches New Flexible Geomembrane Line

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Raven Industries’ Engineered Films Division has announced the release of a new flexible geomembrane product line: HydraFlex™. Designed for energy and environmental applications, the new linear-low density polyethylene (LLDPE) series is being offered in three primary variations to provide more application-specific design and performance options while maintaining a dependable baseline of flexi... »

GSI White Paper 32 on HDPE Geomembranes

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The Geosynthetic Insitute (GSI) has accomplished a lot internationally with its generic specifications, often filling a void in or setting the stage for ASTM or ISO standardization developments in geosynthetics. One of the most significant specifications released by GSI’s Geosynthetic Research Institute is the GRI-GM13 Specification for HDPE Geomembranes. GSI White Paper 32, released early this ye... »

Five Questions to Ask a Geotextile Supplier

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By Geofabrics Australasia – When considering a nonwoven geotextile fabric for your next project there are a number of elements as a customer you should be considering before you buy. The following will help give you peace of mind that your purchase meets your expectations and will save you time and money. CAN YOU PROVE IT PERFORMS? To ensure your geotextiles perform as required, you should i... »

NAUE Seeks Sales Engineer for Malaysian and Affiliated Regional Markets

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NAUE, a leading international manufacturer of geosynthetics and engineering services provider, seeks to add a sales engineer to its expanding Malaysia and Southeast Asia operations. The company has a major manufacturing plant in Malaysia. The candidate should have a strong understanding of geotechnical engineering and geosynthetics. As part of a multi-national team at work in diverse markets, the ... »

New MSE Wall Software for Geocell and Geogrid Designs

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Mechanically stabilized earth constructions, such as MSE walls, have enabled economical, safe, more vertical constructions. Often, these designs have yielded shorter construction windows, offered vegetated faces, and reduced the amount of land that must be disturbed in construction. These benefits have made MSE walls dependable sources of project savings and sustainability credits. PRESTO GEOSYSTE... »

Press Release: PRESTO GEOSYSTEMS® Offers MSE Retaining Wall Software

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APPLETON, Wisconsin – PRESTO GEOSYSTEMS®, a leading manufacturer of soil stabilization and stormwater products, introduces their new GEOWEB® MSE design freeware for GEOWEB geocell wall applications. The software creates vegetated and non-vegetated MSE designs based on the GEOWEB® system for reinforced slopes, and for gravity and geogrid-reinforced walls. The easy to use software is based on ... »

TenCate Excels in Transportation Study

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TenCate Mirafi® RS580i outperformed all geosynthetics tested by the Western Transportation Institute at Montana State University in Bozeman, (MT) USA. This independent full-scale unpaved roadway performance study – called “The Relative Operational Performance of Geosynthetics Used as Subgrade Stabilization” – was recently completed. The study was fully funded by nine US Sta... »

Kolbasuk Receives Award of Merit from ASTM Committee D35

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W. CONSHOHOCKEN, Pa., 2 JULY 2014 — ASTM International Committee D35 on Geosynthetics has honored Gary Kolbasuk, director of innovation and technology at Raven Industries, Sioux Falls, South Dakota, with the Award of Merit. The Award of Merit and its accompanying title of fellow is ASTM’s highest organizational recognition for individual contributions to standards activities. A member of AST... »

Final Report #2: Geosynthetics in Subgrade Stabilization

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From December 2011 through the end of May 2014, the Montana Department of Transportation led a pooled fund study on “Performance of Geosynthetics in Subgrade Stabilization.” The research, which was carried out by the Western Transportation Institute (WTI, based at Montana State University) follows a smaller Phase I, which was carried out in 2008 and 2009 by WTI. DOWNLOAD A COPY OF THE ... »

VIDEO INTERVIEW: American Excelsior at 125

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This year marks a number of hallmark anniversaries in the geosynthetics and erosion control field, with industry organizations like the International Geosynthetics Society (IGS) celebrating 30 years and various companies marking their 20th, 25th, or 30th anniversaries. None of them can top American Excelsior this year, which is celebrating its 125th anniversary. In this interview with Elizabeth Pe... »

From the Archives: D35 Guide for Evaluating GCL Direct Shear

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One from the archives: ASTM Committee D35 on Geosynthetics’ March 2013 announcement of a direct shear-related revised test for geosynthetic clay liners (GCLs) has us recalling Geosynthetica’s May 2011 article on an at-the-time new direct shear guide. The March 2013 revised standard is ASTM D6243-13 – Standard Test Method for Determining the Internal and Interface Shear Resistance... »