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A proposed new ASTM International standard will describe all field-proven electrical methods for locating leaks in installed geomembranes. ASTM WK42576 , Practice for Electrical Leak Location on Exposed Geosynthetics, is currently being developed by Subcommittee D35.10 on Geomembranes, part of ASTM International Committee D35 on Geosynthetics . “The technology in the field of leak location…, ASTM Committee D35 Next Meeting:, Jan. 29-30, 2014, January Committee Week, Houston, Texas, Technical Contact:, Abigail Beck, TRI Environmental, Austin, Texas, Phone: 512-263-2558; abeck@tri-env.com , ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9442
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A proposed new ASTM International standard will provide a test method to give index performance for both established and new geogrids, which are products used for the reinforcement and stabilization of roads, railways, airports, docks and other trafficked areas. ASTM WK39646 , Test Method for Multi-Axial Low-Strain Tension Test for Geogrids and Geotextiles, is being developed by Subcommittee D35.…, ASTM Committee D35 Next Meeting:, Jan. 30-Feb. 1, January Committee Week, Jacksonville, Fla., Technical Contact:, Nigel Wrigley, NewGrids Ltd., Poole, Dorset, England, Phone: +011-44-0-1202-716-993; nigel@newgrids.com, ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9270
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ASTM International, together with the Bombay Textile Research Association (BTRA), will conduct a one-day workshop on geotextiles on Jan. 22, 2013, from 10 a.m. to 5 p.m., at BTRA’s facilities in Mumbai, Maharashtra, India. Geotextiles is an important topic in this geographical area, as India plans for extensive highway and railway construction in the near future. The technical workshop will…, ASTM Staff Contact:, Teresa Cendrowska, Phone: 610-831-9718; tcendrow@astm.org R elease #9251
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High-strength turf reinforcement mats made from vegetative or synthetic materials (or a combination of both) are used to prevent soil erosion in drainage areas and on steep slopes. A proposed new ASTM International standard, ASTM WK38408 , Specification for Turf Reinforcement Mats, will be focused on mats made only with geosynthetics (no organic materials). ASTM WK38408 is being developed by…, ASTM Committee D35 Next Meeting:, Jan. 30-Feb. 1, 2013, January Committee Week, Jacksonville, Fla., Technical Contact:, Robert Mackey, P.E., BCEE, S2L Inc., Maitland, Fla., Phone: 407-475-9163; bmackey@s2li.com, ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9312
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Geomembranes are used as hydraulic and gas barriers for pond and canal liners, landfill liners, caps, floating covers and other applications. Factory fabricated geomembranes that require less on-site installation work are becoming more prominent, but contractors, owners and site engineers are not always familiar with these. A proposed new ASTM International standard will provide guidance for…, ASTM Committee D35 Next Meeting:, Jan. 30-Feb 1, 2013, January Committee Week, Jacksonville, Fla., Technical Contact:, Gary M. Kolbasuk, Raven Industries EFD, Sioux Falls, SD, Phone: 605-331-0324; gary.kolbasuk.revenind.com, ASTM Staff Contact:, Katerina Koperna Phone: 610-832-9728; kkoperna@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9269
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A new ASTM International test method that provides standardization for a long-used test will aid in the use and evolution of geotextile bag technology. The new standard, ASTM D7701 , Test Method for Determining the Flow Rate of Water and Suspended Soils from a Geotextile Bag, was developed by Subcommittee D35.03 on Permeability and Filtration , part of ASTM International Committee D35 on…
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A new ASTM International practice standardizes a geoelectric method used to detect potential leaks in exposed electrically isolating membranes in the field in containment applications. The new standard, ASTM D7703 , Practice for Electrical Leak Location on Exposed Geomembranes Using the Water Lance System, is under the jurisdiction of Subcommittee D35.10 on Geomembranes , part of ASTM…, ASTM Committee D35 Next Meeting:, Feb. 1-3, 2012, January Committee Week, Atlanta, Ga., Technical Contact:, Tim Bauters, Ph.D., Golder Associates Inc., Sunnyvale, Calif., Phone: 408-220-9223; tim_bauters@golder.com, ASTM Staff Contact:, Christine Sierk, Phone: 610-832-9728; csierk@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9007
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X-ray diffraction has become a popular means of residual stress measurement in the aerospace materials field over the last 50 years. A proposed new guide being developed by ASTM International Committee E28 on Mechanical Testing will provide the necessary information to obtain the most reliable residual stress values as well as identify and evaluate potential errors in measurement, paving the way…
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Two new ASTM International standards will aid in the recent national movement to develop a mechanistic-empirical design guide for pavements. The new standards, developed by ASTM International Committee D35 on Geosynthetics, will each cover quantification of fundamental material properties for pavement components. The standards, ASTM D7499 , Test Method for Measuring Geosynthetic-Soil Resilient…, ASTM Committee D35 Next Meeting:, Feb 2-4, 2011, January Committee Week, Baltimore, Md., Technical Contact:, Eli Cuelho, Western Transportation Institute, Montana State University, Bozeman, Mont.; Phone: 406-994-7886; elic@coe.montana.edu, ASTM Staff Contact:, Christine Basile, Phone: 610-832-9728, cbasile@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8605
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A new standard approved by ASTM International Committee B07 on Light Metals and Alloys provides an outline for designers, casting purchasers, casting producers and technical societies on how to do business when purchasing squeeze, thixocast or rheocast parts. The new standard, B969 , Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid…