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Rail construction with geosynthetics
09/02/2010
Kevin Hancock of Geosand (Terram Geosynthetics and WTB Geotechnics) writes in the July 2010 issue of Rail Engineer about geosynthetics in rail construction. ID:
5553
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Terram Launches New Website, New Info
09/02/2010
In addition to the launch of a new website, Terram has released a series of new technical design guides covering the core products of geotextiles, geocomposites and geocells as well as an introduction to Terram. These documents provide specifiers with information on which applications the products can be used along with useful design details. Learn more at the new Terram website. ID:
5554
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GMA speaks up during EPA coal ash hearing
09/02/2010
As hearings continued through September 2010, the U.S. Environmental Protection Agency (EPA) seeks comments regarding the regulation of coal ash containment sites. The Geosynthetic Materials Association (GMA) was among the first in line to address the issue Aug. 30 at the initial hearing in Arlington, Va. Read more, including remarks from GMA Members. ID:
5551
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Rural America: No Escape for Highway Capacity Crisis, Study Says
08/31/2010
A new report is calling for additional investment in the nation's transportation network, particularly in rural highways. According to the American Association of State Highway and Transportation Officials, rural highways could use a $600 billion injection to boost their capacity and improve safety. ID:
5548
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Organoclay® Reactive Core Mat® Used in Railroad Remediation Project
08/31/2010
A rail yard in Utah has been in operation since the first transcontinental railroad reached the area in 1869. Four major railroad companies have used the rail yard for switching, maintenance of locomotives, and transferring cargo. A DNAPL tar plume was discovered running from the northern end of the yard under an adjacent highway and into a neighboring pond. HDPE geomembrane and Organoclay Reactive Core Mat from CETCO were used to remediate the site. Read more. ID:
5543
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Unexpected Water Prompts Pond Liner Need
08/30/2010
In Cleveland, Tennessee, an expensive drainage ditch and retention pond project that was built during a drought is now suffering erosion strong erosion in non-drought conditions. An unknown water source is entering the pond and turning it into a constant stream. Officials are now debating whether riprap could be used in the ditches. If the Tennessee Department of Environmental Conservation does not approve the plan, a geosynthetic liner will most likely be needed in the pond to sustain the flow rate. ID:
5535
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Reinforced Bridge Abutments
08/30/2010
A county in northwestern Ohio is using geotextile-reinforced aggregate to build abutments and wingwalls for bridges and culverts, in an adaptation of an old, old, idea. And it works. Warren Schlatter, the county engineer in Defiance, Ohio, says there have been no failures or problems with the bridges. "They do what I want them to do," he says. Read more. ID:
5540
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Next Climate Change and Geosynthetics Conference
08/27/2010
IGS-Thailand, the Asian Center for Soil Improvement and Geosynthetics (ACSIG), and the Southeast Asian Geotechnical Society (SEAGS), under the auspices of International Geosynthetics Society (IGS), are jointly organizing the International Symposium on Geotechnical and Geosynthetics Engineering: Challenges and Opportunities on Climate Change to be held 7-8 December 2010 in Bangkok, Thailand. This event is co-organized by the Thailand Geotechnical Society (TGS) and Suranaree University of Technology (SUT). The symposium will gather academics, practitioners, partners, and stakeholders to discuss emergency and urgent issues related to climate change as well as the innovative mitigation measures in the context of geotechnical and geosynthetics engineering. ID:
5530
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Malaysian Road Development on Geotextiles
08/27/2010
Hock Seng Lee Bhd (HSL), Sarawak-based infrastructure and marine engineering specialist, has secured a new project in Tanjung Manis worth RM47.1 million. The route will traverse low-lying coastal terrain and involves two reinforced concrete bridges and several culverts over minor waterways. The swampy soil conditions will necessitate extensive reclamation and geotechnical engineering works including use of a significant amount of geotextile fabric and piling. ID:
5533
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NAUE America Receives Honor from Emergency Training Center
08/27/2010
The expansive Smokey Hill Air National Guard Range near Salina, Kansas provides 34,000 acres for realistic environment training for both active and reserve military organizations. This unique facility includes a 156-acre zone for crisis response training. For the construction of a collapsed structure simulation, site coordinators sought a subgrade reinforcement material that would not require the addition of a separate nonwoven weed barrier. The Kansas Department of Transportation suggested Combigrid® GRK 5 20\20, a material with which KDOT has previous experience. ID:
5528
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Highlights: TenCate Doubles Net Profit in First Half of 2010
08/26/2010
TenCate has released its full statement on first half 2010 performance. The company has announced that it has doubled its net profit in the period, in part bouyed by significant improvement in the Geosynthetics and Grass Division. Read more. ID:
5527
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The High Sheldon Wind Farm
08/25/2010
The High Sheldon Wind Farm produces wind energy for the Town of Sheldon in Wyoming County, New York. The project has a maximum electric generating capacity of 129 MW and produces enough clean, renewable energy to power 60,000 homes every year. The major challenge facing the contractor was the potential rutting caused by the extremely high live loads on the turbine access roads. In order to support loading from equipment of up to 5000 psf, Fornit® 30 geogrids were installed to enhance the subgrade of the access roads on the site. This type of geogrid is designed reinforcement with confinement of finer aggregate. It was an ideal choice for the site. Read more. ID:
5522
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