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Bleed Stability Standard promotes concrete construction safety.

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August 10, 2011 - Adopted from American Concrete Institute test method, ASTM C1741, Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout, will help ensure safety of construction projects. Fred Goodwin, fellow scientist, BASF Construction Chemicals, LLC, and ASTM member, notes that being able to predict bleeding in grout before injecting into tendon will maximize grout performance for bleeding resistance, promoting safer and more reliable construction practices.

New ASTM Bleed Stability Standard to Aid in Safety of Concrete Construction Projects

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

Press release date: August 8, 2011

W. CONSHOHOCKEN, Pa.-A new ASTM International standard, adopted from an American Concrete Institute test method, will be used to help ensure the safety of construction projects.

ASTM C1741, Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout, is under the jurisdiction of Subcommittee C09.41 on Hydraulic Cement Grouts, part of ASTM International Committee C09 on Concrete and Concrete Aggregates. ASTM C1741 shares its title with, and is based on, the American Concrete Institute's ACI 423.9M-10.

"Bleeding of post-tensioning grout creates pockets of reduced corrosion protection in the tendon," says Fred Goodwin, fellow scientist, BASF Construction Chemicals, LLC, and an ASTM member. "The primary purpose of grouting the tendons is to provide corrosion protection. Corroded post-tensioning tendons can lead to catastrophic failure."

Goodwin notes that being able to predict bleeding in the grout before injecting into the tendon will maximize grout performance for bleeding resistance, leading to safer and more reliable construction practices.

Material manufacturers, grouting contractors, specifiers, state departments of transportation and testing laboratories will be the primary users of ASTM C1741.

All interested parties are encouraged to take part in the standards developing activities of C09.41. Those interested in participating in the upcoming interlaboratory study round robin for ASTM C1741 are encouraged to contact the subcommittee.

To purchase ASTM standards, visit and search by the standard designation number, or contact ASTM Customer Relations (phone: 610-832-9585; ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit

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.

View this release on the ASTM Web site at

ASTM Committee C09 Next Meeting: Dec. 4-7, 2011, December Committee Week, New Orleans, La. Technical Contact: Fred Goodwin, BASF Construction Chemicals LLC, Cleveland, Ohio, Phone: 216-839-7009; ASTM Staff Contact: Scott Orthey, Phone: 610-832-9730; ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603;
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