Eliminating erosion runoff at a Canadian quarry’s stockpile slope

August 1, 2007  |  Case Studies

By Sarah Willnerd and Ron Bygness Introduction With ownership of some 900 quarries around the world to sustain its building materials operations, the Lafarge Group claims a commitment to achieving sustainable development hand in hand with environmental compliance. However, attempts to stabilize a la…
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Ten reasons why you should be in Cancún next March

June 1, 2007  |  News

By Beth Wistrcill, Manager, Geosynthetics Conferences and Events Editor’s Note: We asked the new Manager for Geosynthetics Conferences and Events, Beth Wistrcill, to offer her take on why you should attend the GeoAmericas2008 Conference and Exhibition in Cancún March 2-5, 2008. The firs…
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AOS vs. EOS

June 1, 2007  |  Products

From the GMA Techline Subject: AOS or EOS? What is the difference between AOS (Apparent Opening Size) and EOS (Equivalent Opening Size)? (Larry, Louisiana) Reply: The real answer is: “Not much.” Now let me answer your question. The U.S. Army Corps of Engineers developed AOS in 19…
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Geotextile fabric

June 1, 2007  |  Products

From the GMA Techline Subject: Geotextile fabric We are specifying geotextile fabric: between the soil media (in a raingarden) and the underlying stone that contains the underdrain pipe. between the sod and the underlying stone (water quality swale) that contains the underdrain pipe. the top, bottom…
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Geogrid-reinforced soil mat

June 1, 2007  |  Products

From the GMA Techline Subject: Geogrid-reinforced soil mat I am considering a geosynthetic-reinforced soil mat to be placed under a building structure with conventional footings. The purpose of the soil mat would be to limit differential settlement across the building footprint in event of seismical…
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Cost estimate data

June 1, 2007  |  Products

From the GMA Techline Subject: Cost estimate data In 2006, we completed a 30-acre pond (depth, approximately 30 ft.), and now we want to estimate the cost for a pond of similar size for a construction start in November 2007. For estimating purposes, are you able to suggest a percentage increase that…
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Product specification

June 1, 2007  |  News, Q&A: GMA Techline

From the GMA Techline Subject: Product specification We are proposing to stabilize a section of eroded riverbank with riprap. We would like to install a fabric beneath the riprap to hold the existing sandy soils in place. Can you give us a recommendation? The river is tidal and the area is exposed t…
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Geotextile transport layer

June 1, 2007  |  Products

From the GMA Techline Subject: Geotextile transport layer We need some information about the characteristics of the transport layer (special geotextile) used in association with leak-detection sensors and placed between a drainage geocomposite layer (geonet plus geotextile separator) and the HDPE ge…
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Techtextil-2007 held in Frankfurt

June 1, 2007  |  News

Exhibitors, presenters, and other industry visitors gathered June 12–14 for Techtextil-2007 in Frankfurt, Germany. Techtextil is a featured international trade fair for technical textiles and nonwovens. A global market of technical textiles was showcased.
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Geotube technology project in India

June 1, 2007  |  Case Studies

A district irrigation department in West Bengal, India has initiated a geotextile tube project on an experimental basis in an effort to check coastline erosion. A 1-km test section on the Bay of Bengal coastline from Shankarpur to Jalda in the district of East Midnapore was installed this spring. Th…
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