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Alkali-aggregate reaction — the reaction that occurs over time between highly alkaline cement paste and noncrystalline silicon dioxide — can lead to a loss of concrete strength. A new ASTM International standard provides guidance on how to address the potential for such deleterious reactions in concrete construction. The new standard is ASTM C1778 , Guide for Reducing the Risk of Deleterious…, ASTM Committee C09 Next Meeting:, June 14-17, 2015, June committee week, Anaheim, Calif., Technical Contact:, Thano Drimalas, University of Texas at Austin, Manor, Texas, tel +1.512.471.1630; thano.drimalas@mail.utexas.edu ; Jason H. Ideker, Ph.D. (C09.50 chairman), Oregon State University, Corvallis, Ore., tel +1.541.737.9571; jason.ideker@oregonstate.edu , ASTM Staff Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9751
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Laboratories that conduct beam tests on fiber reinforced concrete are encouraged to join in the development of a new ASTM International standard, ASTM WK42757 , Practice for Design of Supporting Rollers to Be Used in Fiber Reinforced Concrete Beam Tests. According to ASTM member Stefan Bernard, the new standard is being developed in response to concerns over possible distortions in the magnitude…, ASTM Committee C09 Next Meeting:, Dec. 7-10, December Committee Week, New Orleans, La., Technical Contact:, Stefan Bernard, TSE Pty Ltd., Sydney, Australia, tel +61.4.1840.7892; s.bernard@tse.net.au, ASTM Staff Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9718
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ASTM International Nondestructive Testing Committee Will Host, ASTM International Subcommittee E07.10 on Specialized NDT Methods will host a New Nethods Seminar on Microwave Inspection of Plastics and Composites at its January meetings in Ft. Lauderdale, Florida. E07.10 is part of ASTM Committee E07 on Nondestructive Testing . Each January, the committee holds a New Methods Seminar to highlight new methods of nondestructive testing. The seminar will be…, ASTM Committee E07 Next Meeting:, Jan. 25-29, 2015, Ft. Lauderdale, Fla., Technical Contact:, Bob Stakenborghs, Evisive Inc., Baton Rouge, La., tel +1.225.329.5815; bob@evisive.com, ASTM Staff Contact:, Kathleen McClung, tel +1.610.832.9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9710
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Concrete is the most widely used construction material throughout the world. Understanding the drying behavior of a given concrete mixture is critical to any construction project. Ready-mix concrete producers and engineers will be able to use a new ASTM International standard to characterize how hardened concrete mixtures dry. The new standard is ASTM C1792 , Test Method for Measurement of Mass…, ASTM Committee C09 Next Meeting:, Dec. 7-10, December Committee Week, New Orleans, La., Technical Contact:, Dale P. Bentz, National Institute of Standards and Technology, Gaithersburg, Md., tel +1.301.975.5865; dale.bentz@nist.gov, ASTM Staff Contact:, Scott Orthey, tel +1.610.832.9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9701
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The quality and resolution of X-ray images depends on the characteristics of the focal point, the area that is struck by electrons and from which the resulting X-rays are emitted. A new ASTM International standard will allow users to determine the effective focal spot size of an X-ray source. The new standard is ASTM E2903 , Test Method for Measurement of the Effective Focal Spot Size of Mini and…, ASTM Committee E07 Next Meeting:, Jan. 25-29, 2015, Fort Lauderdale, Fla., Technical Contact:, David Fry, Los Alamos National Laboratory, Los Alamos, N.M., tel +1.505-665-2916; dafry@lanl.gov, ASTM Staff Contact:, Kathleen McClung, tel +1.610.832.9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, tel +1.610.832.9603; bschindl@astm.org Release #9692
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Concrete technologists need to have a well-defined, useful and efficient means to detect and possibly address concrete material incompatibility issues. This need will be addressed in a proposed new ASTM International standard, ASTM WK40615 , Practice for Mixing and Comparing Performance of Concrete Materials Using Mini-Mix Mortar Mixtures. Due to an increased focus on sustainability, the…, ASTM Committee C09 Next Meeting:, Dec. 7-10, 2014, December Committee, New Orleans, La., Technical Contact:, Ara A. Jeknavorian, Ph.D., Jeknavorian Consulting Services, Phone: 617-803-2612; ara.a.jeknavorian@gmail.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9669
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Boron loaded materials are an essential component in the safe transportation or storage of both spent and new nuclear fuel. ASTM International addresses important aspects of such boron use in a new standard, ASTM E2971 , Test Method for Determination of Effective Boron-10 Areal Density in Aluminum Neutron Absorbers Using Neutron Attenuation Measurements. “To ensure that control absorbers contain…, ASTM Committee E07 Next Meeting:, Jan. 25-29, 2015, Ft. Lauderdale, Fla., Technical Contact:, Josh Vanderstelt, Nray Services Inc., Dundas, Ontario, Canada, Phone: 905-627-1302, ext. 15; joshv@nray.ca, ASTM Staff Contact:, Kate McClung, Phone: 610-832-9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9654
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Magnesium alloy castings are everywhere: from aircraft main engines and auxiliary power units to power generating turbines and automobiles. A collection of images produced by ASTM International and described in ASTM E2869 , Digital Reference Images for Magnesium Castings, can now be used to identify and evaluate discontinuities that may be present in castings. The set of 14 digital reference…, ASTM Committee E07 Next Meeting:, Jan. 25-29, 2015, Ft. Lauderdale, Fla., Technical Contact:, Francisco Miranda, Pratt & Whitney Canada, Longueuil, Quebec, Canada, Phone: 450-677-9411, ext. 7-7855; francisco.miranda@pwc.ca, ASTM Staff Contact:, Kathleen McClung, Phone: 610-832-9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9643
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In 1914, a small group of professionals gathered to work on methods for making and testing field specimens of concrete. The ASTM International committee that resulted from that first meeting — C09 on Concrete and Concrete Aggregates — celebrated its 100th anniversary during a reception and dinner on June 23 at the Sheraton Centre Toronto, Canada. The centennial celebration occurred during C09’s…, ASTM Committee C09 Next Meeting:, Dec. 7-10, 2014, December Committee Week, New Orleans, La., ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindler@astm.org Release #9605
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A proposed new ASTM standard will provide a test method for determining the density and air content of roller-compacted concrete, which is used in the construction of dams and spillways as well as for highway road base material and wearing surfaces on some roads and parking lots. Once approved, ASTM WK42461 , Test Method for Density (Unit Weight) and Air Content (Pressure Method) of Freshly Mixed…, ASTM Committee C09 Next Meeting:, June 22-25, 2014, June Committee Week, Toronto, Ontario, Canada, Technical Contact:, Dennis N. Clute, P.E., USDA – Natural Resources Conservation Service, Fort Worth, Texas, Phone: 817-509-3765; dennis.clute@ftw.usda.gov , ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9655