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With heightened interest in issues involving corrosive gypsum board, the first draft of a proposed new standard on the subject, ASTM WK26072 , Practice for Evaluation of Buildings to Identify Corrosive Gypsum Board, was reviewed and edited at a task group meeting on Nov. 10 in Atlanta, Ga. The proposed new standard is under the jurisdiction of ASTM Subcommittee C11.01 on Specifications and Test…, ASTM Committee C11 Next Meeting:, May 17-19, 2010, St. Louis, Mo., Technical Contact:, Spiderman Mulholland, U.S. Building Consultants Inc., Gainesville, Fla., Phone: 352-505-6771; spiderman@usbcinc.com, ASTM Staff Contact:, Thomas O’Toole, Phone: 610-832-9739; totoole@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8414/Nov2009
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At an ASTM International meeting held on Oct. 20 it was decided to initiate the formulation of a proposed new ASTM standard that will cover issues relating to drywall and indoor air quality. Representatives from various ASTM International committees, including C11 on Gypsum and Related Building Materials and Systems and E06 on Performance of Buildings attended the meeting, which was held during…
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More frequent worldwide use of asphalt-rubber binders in road building has increased the need for rotational viscotesters, which are used to ensure proper quality control and assurance. While an appropriate standard for viscotesters does not currently exist, a proposed new ASTM standard will answer this need. The proposed standard, WK25108 , Test Method for Measurement of Apparent Viscosity of…
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Test for Solubility of Asphalt Materials in n-Propyl Bromide A new ASTM International standard on solubility of asphalt will provide an alternative for a solvent that has been banned as an ozone depleter by the Kyoto Protocol, an international environmental treaty with the goal of stabilizing greenhouse gas concentrations that may help minimize global warming. The new standard, ASTM D7553 , Test…
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The use of non-metallic plaster bases (lath) is growing in the construction industry, and minimum consensus standards are being set for installation, test methods and performance requirements. A task group within Subcommittee C11.02 on Specifications and Test Methods for Accessories and Related Products is currently developing three lath standards: ASTM WK24554 , Test Method for Non-Metallic…
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All interested parties, particularly end users from the forensics sciences, are encouraged to join in the development of a proposed new ASTM standard, WK18814 , Guide for Relative Intensity Correction of Raman Spectrometers. WK18814 is being developed by Subcommittee E13.08 on Raman Spectroscopy, which is under the jurisdiction of ASTM International Committee E13 on Molecular Spectroscopy and…
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Many factors, such as traffic, drainage, structure and climatic variations, impact the field performance of asphalt concrete. However, asphalt concrete performance has been more accurately predicted when laboratory material properties are known, so ASTM International Committee D04 on Road and Paving Materials has approved a new standard, ASTM D7460 , Test Method for Determining Fatigue Failure of…
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Since the early 1980s, multivariate analytical techniques have been increasingly used in a variety of industries. A new ASTM International standard, E2617 , Practice for Validation of Empirically Derived Multivariate Calibrations, answers a need for standards for these techniques. Subcommittee E13.11 on Multivariate Analysis, under the jurisdiction of ASTM International Committee E13 on Molecular…
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Current methods for determining bulk specific gravity of aggregate are often time-consuming and not ideal for quality control checks during construction. However, a new ASTM International standard provides a fast method for determining the consistency of aggregate properties that are used in asphalt and concrete mixtures. Committee D04 on Road and Paving Materials has approved ASTM D7370…
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A growing need to recycle millions of tires discarded annually is the impetus for the continued development of a proposed new ASTM International specification that provides standards for converting tires into an asphalt product. WK20240 , Specification for Performance Graded Tire Rubber-Modified Asphalt Binder is being developed by Subcommittee D04.40 on Asphalt Specifications, under the…