Found 1165 results.

Do floc characteristics influence geotextile tube dewatering performance?

June 1, 2012

…tube performance, the pressure filtration test (PFT), a geotextile filtration performance test, was conducted using a high-strength woven polypropylene geotextile. The PFT uses a 600ml slurry sample and applies 34kPa…

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The roles of geomembranes in algae production at landfills

June 1, 2012

…concept-oriented article has as its goal the dual uses of landfill gases and landfill leachates. Laboratory studies on fresh landfill leachate and heated landfill leachate were evaluated for their potential…

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TRI announces equipment acquisitions

June 1, 2012

…applications, the release said. “These are exceptional apparatuses,” said TRI’s Allen. “The 3ft × 3ft large-scale direct shear box can actually be transported directly to a site, such as a…

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All about Geosynthetics 2013

June 1, 2012

…walls and slopes, liner systems, waterproofing systems, heap leach mining, pavements and erosion control. Session 4—Geosynthetic Organizations, with presentations on IFAI/GMA, IGS, federal agencies, ASTM, Geosynthetics magazine and GSI. Written…

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Meeting announcements for June 27-29

May 25, 2012

…are open to all interested individuals. Contact: Jeff Adkins, ASTM International, 610-832-9728, jadkins@astm.org.For more information: www.astm.org/COMMIT/D35.htm For GMA members, the geotextile focus group will meet during the ASTM committee week…

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New R & D manager at Profile

May 23, 2012

…AeroSystems. Before that, he worked for the Institute for Maintenance Science and Technology as a researcher. Howard is based at Profile’s Conover, N.C., manufacturing plant. For more information: www.profileproducts.com…

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New book on ASTM standards for erosion and sediment control technology

May 15, 2012

…#: EROSION12). To purchase ASTM publications, search by stock number on the ASTM website, or contact ASTM customer relations (phone: 877-909-ASTM, sales@astm.org). ASTM staff contact: Marsha Firman: 610-832-9612, mfirman@astm.org

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The Giroud-Han design method for geosynthetic-reinforced unpaved roads

April 1, 2012

…as shown by Giroud et al. (1985). Aperture shape and geometry effects Geogrid properties considered to be important for lateral restraint of the aggregate are rib shape, rib thickness, aperture…

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2010 ICOLD Bulletin on geomembrane sealing systems for dams

April 1, 2012

…has many similarities to the concrete and masonry dam rehabilitation schemes presented in the previous section (see Figure 4). The covered solution (known as the Winchester System) uses a composite…

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ASTM to host online forum on hydraulic fracturing

March 21, 2012

…surrounding (usually shale) rock to allow extraction of the oil or gas. ASTM staff contacts: Pat Picariello, +1 610 832 9720, ppicarie@astm.org Robert Morgan, +1 610 832 9732, rmorgan@astm.org

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