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ASTM Test Method addresses geotextile bag technology.

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February 27, 2012 - Standard ASTM D7701, Test Method for Determining the Flow Rate of Water and Suspended Soils from a Geotextile Bag, is based on one particular test that has been used throughout past 20 years but has not been standardized until now. According to D35 member Robert Lozano, this standard will let end users of geotextile tubes gain idea of performance pertaining to proposed geotextile when used in geotextile tube. Primary users will be consultants, engineers, designers, owners, and fabricators.

New ASTM Method Will Aid in Use and Evolution of Geotextile Bag Technology


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ASTM International
100 Barr Harbor Dr., Box C700
West Conshohocken, PA, 19428-2959
USA



Press release date: February 24, 2012

W. CONSHOHOCKEN, Pa.-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 Geosynthetics.

ASTM D7701 is based on a test that has been used extensively in the last 20 years, but which has not been standardized until now.

"ASTM D7701 will allow the end user of geotextile tubes to have an idea of the performance of a proposed geotextile when used in a geotextile tube," says Robert Lozano, senior geotechnical engineer-corporate geosynthetic specialist, The Reinforced Earth Co., and a D35 member. "Without this test, a full-size trial becomes imperative, increasing costs and risk of selecting the wrong material, increasing the chance of release sediments or clogging the proposed geotextile while in a full-scale test."

Lozano says that consultants, engineers, designers, owners and fabricators who wish to use geotextile tubes in dewatering slurries and coaster structures will be the primary users of ASTM D7701.

All interested parties, including design engineers, manufacturers and installers of geotextile tube, are welcome to join in the standards developing activities of D35.03.

To purchase ASTM standards, visit www.astm.org and search by the standard designation number, or contact ASTM Customer Relations (phone: 610-832-9585; service@astm.org).

ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit www.astm.org/JOIN.

ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

For more news in this sector, visit astm.org/sn-construction or follow us on Twitter @ASTMBuildings.

ASTM Committee D35 Next Meeting: June 27-29, 2012, June committee week, San Diego, Calif. Technical Contact: Robert Lozano, The Reinforced Earth Co., Vienna, Va., Phone: 703-821-1175, ext. 242; lozanoreng@aol.com

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