Geopipe (aka ‘buried plastic pipe’)

August 1, 2006  |  News

Identification, history, testing, and usage. By George R. Koerner Perhaps the original geosynthetic material is buried plastic pipe, which is called “geopipe” in this article. Geopipe is being used in many aspects of geotechnical, transportation and environmental engineering. It sees use…
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Designing for geoelectrical liner integrity and leak-location surveys

August 1, 2006  |  Products

What to look for (and to look out for!) when designing lining systems for electrical integrity/leak-location surveys. By Ian D. Peggs As the need to perform geoelectrical liner integrity (for CQA) and leak-location (problem resolution) surveys becomes more of a regulated requirement, it becomes more…
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Geofoam provides lightweight fill for York Bridge in Washington

August 1, 2006  |  Case Studies

A King County DOT bridge project illustrates the use of geofoam fill. Abstract An interesting project under way in the Seattle area is the reconstruction of the York Bridge on Northeast 116th Street north of Redmond, Wash. After the supports for the new bridge were completed, crews worked on the dec…
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Geotube dewatering containers help in cleanup of the Fox River

August 1, 2006  |  Case Studies

Cleansing the Fox: Decades of PCB contamination in Wisconsin’s lower Fox River will take decades to clean up. Today, geotextile dewatering containers are helping with that job at the Fox’s Little Lake Butte des Morts The largest river cleanup project ever attempted in North America is us…
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Uses for marine mattresses in coastal engineering

August 1, 2006  |  Products

By Steven A. Hughes Purpose: The Coastal and Hydraulics Engineering Technical Note (CHETN) described herein provides basic information on the Triton Marine Mattress System, describes potential applications for marine mattresses in coastal engineering, and summarizes previous successful deployments o…
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Hereford Inlet seawall repair project

August 1, 2006  |  Case Studies

Marine mattresses on the seawall in New Jersey. North Wildwood, N.J. Location: Hereford Inlet is located on the New Jersey coastline, near the southeasternmost tip of the state, near Cape May. Application: This project involved reconstructing the inlet’s shoreline seawall (Photo 1). Portions o…
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Building the bridge of the future with GRS technology

August 1, 2006  |  Case Studies

Ohio bridge builders use geosynthetic-reinforced soil technology. Build the bridge of the future better, faster, and for less money using geosynthetic-reinforced soil (GRS) technology for abutments. Instead of a conventional bridge, supported on a pile-cap abutments, GRS technology uses alternating …
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ASD and LRFD of reinforced SRW with the use of software Program MSEW(3.0)

August 1, 2006  |  Case Studies

By Dov Leshchinsky Introduction The title of this article contains enough acronyms to confuse even the best engineers. Imagine the confusion when the abbreviations have to be translated into numbers followed by a structure. To alleviate some of the concern, here are the literal conversions: ASD=Allo…
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In Memoriam: Ronald P. Marsh

August 1, 2006  |  News

Ron Marsh of Gastonia, NC, died June 20, 2006. A fixture in the geosynthetics industry since the 1970s, Marsh had retired from Huesker Inc. earlier this year. He was diagnosed with a cancerous brain tumor in March and underwent surgery. He died at home without pain the morning of Tuesday, June 20, a…
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Construction of polyethylene plant in Qatar

August 1, 2006  |  News

Construction of a $3.2 billion plant to produce polyethylene is under way at Mesaieed Industrial City, about 25 miles south of Doha in Qatar. The Qatofin plant will produce about 450,000 tons of linear low-density polyethylene (LLDPE) per year. The plant’s operations are expected to start in t…
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