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Geotube questions

April 1, 2006

From the GMA Techline Subject: GeotubeI refer to the article “Saving Yucatan’s Coast” published in the September 2005 issue of GFR (now Geosynthetics), pages 34-39. Can you please let me know the following: What mathematical calculation was used to derive the appropriate ground level? What was the length of each tube and the filling port …

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Rejuvenated reservoir will irrigate world-famous golf courses

More than 21 acres of geomembrane help revive Pebble Beach’s Forest Lake Reservoir. Originally constructed in the late 19th century, a reservoir near a scenic stretch of California coastline underwent a dramatic transformation last year, and is now poised to serve the irrigation needs of the 21st century Pebble Beach community. Located on California’s beautiful …

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Projects highlight progressive uses of geosynthetics

A problem-solving wall project in Michigan and preserving Stump Pass in Florida highlight two more progressive uses of geosynthetics. First section by Jacob Manthei, second section by Jeff Barbian and Ron Bygness Retaining wall, utilities merged in Michigan Developers and engineers have long tackled the problems with hilly building sites and are ever in search …

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The enhancement of interface shear strength between two nonwoven geotextiles

By Gregory N. Richardson and Pieter K. Scheer Introduction and problem statement Interfaces involving nonwoven to nonwoven geotextile surfaces are sometimes part of the design of landfill liner systems. This is most likely the case in a double-liner system where a geosynthetic clay liner (GCL) is often designed below the upper (primary) geomembrane and is …

Geosynthetics (formerly GFR) receives awards

The magazine formerly known as GFR has received two awards from the Minnesota Magazine Publishers Association. Gold Award for Best Technical Article, Professional, Circulation under 30,000: GFR-Geotechnical Fabrics Report, “On the links with coir, straw and synthetic mats,” April 2005. For this article, the judges said, “ This is a beautiful article! The layout and …

GreenSpec Directory now available

The expanded and revised 6th edition of the GreenSpec® Directory of environmentally preferable building products contains nearly 2,000 listings, providing architects, building owners, and builders with the most complete source for green building product information. The directory is published by Brattleboro, Vt.-based BuildingGreen Inc., and includes 1,997 product listings. Building-industry professionals use the book to …

Bolivar to get $1.4M to fix, cover sand socks damaged by hurricane

The hurricane-beaten sand socks on Bolivar Peninsula in Texas will get about $1.4 million worth of attention from the Federal Emergency Management Agency (FEMA), providing money for repairs and a new sand cover, according to information from the agency. Hurricane Rita left some of the sand-filled socks deflated and others with punctures. All of the …

Geo Solutions for the Environment, Transportation, and Homeland Security

Geosynthetics 2007 will be held at the Hilton Washington in Washington, D.C., Jan. 16–19, 2007, immediately preceding the Transportation Research Board’s 86th Annual Meeting. The conference and exhibition, themed Geo Solutions for the Environment, Transportation, and Homeland Security, will provide a platform for the discussion of practices, applications, regulatory issues, and the construction outlook shaping …

FLI lands $12 million lining contract

FLI Environmental, the Waterford, Ireland-based international environmental solutions provider, has won a $12.3 million (€10 million) contract for the installation of containment facilities at a $1.9 billion nickel mine on an island in the middle of the Pacific Ocean. FLI will supply and install geosynthetic lining systems for the mine-site’s process lagoons and tanks, as …

New silt-fence installer ready

Burchland Mfg. LLC has announced the introduction of its XT-Series Silt Fence Installers. Designed to install 36-in. to 48-in. erosion-control fabric, Burchland XTs offer a 3-point hitch or quick-attach plate for mounting on tractors or skidsteers. The XTs install fabric to a choice of depth down to 20 in. and feature a transport lock, compression …