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Recent years have seen the introduction of new materials in the production of bituminous mixtures and liquid asphalt binders. Such materials include lime, fly ash, warm mix asphalt additives, rejuvenating agents, recycled asphalt pavement and recycled shingles. A proposed new ASTM International practice for adding these materials to bituminous mixtures and binders is being developed by ASTM…, ASTM Committee D04 Next Meeting:, Dec. 4-6, 2012, December Committee Week, Atlanta, Ga., Technical Contact:, Richard Steger, InVia Pavement Technologies LLC, Tulsa, Okla., Phone: 918-344-6418; rich@invia-tech.com, ASTM Staff Contact:, Daniel Smith, Phone: 610-832-9727; dsmith@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9270
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Buyers and sellers of road and paving materials will be the primary users of a proposed standard being developed by Subcommittee D04.94 on Statistical Procedures and Evaluation of Data , part of ASTM International Committee D04 on Road and Paving Materials . According to James Moulthrop, senior consultant, Fugro Consultants Inc., and a D04 member, the purpose of the proposed standard, ASTM…
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ASTM International Committee F37 on Light Sport Aircraft will host the International Workshop on Electric Aircraft Standardization on March 28 at the Hilton Garden Inn in Lakeland, Fla. The workshop is being held in conjunction with Committee F37’s standards development meetings at the 38th Annual SUN ‘n FUN International Fly-In and Expo. The marketplace adoption of electric aircraft requires…
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On July 29, 2011, the U.S. Federal Aviation Administration announced in the Federal Register the availability of ASTM International standard F2746–09 , Specification for Pilot’s Operating Handbook (POH) for Light Sport Airplane, as well as ASTM F2245-10c , Specification for Design and Performance of a Light Sport Airplane. Manufacturers of fixed wing light sport aircraft are required to revise…
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A new ASTM International standard will be used to aid in the creation of auditing programs within the light sport aircraft industry. ASTM F2839 , Practice for Compliance Audits to ASTM Standards on Light Sport Aircraft, was developed by Subcommittee F37.70 on Cross Cutting , part of ASTM International Committee F37 on Light Sport Aircraft . The new practice specifies the minimum methods and…
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ASTM International Committee D04 on Road and Paving Materials is currently at work on a proposed moisture conditioning method for compacted asphalt samples that is both time-efficient and allows for the simulation of field conditions. ASTM WK32764 , Practice for Moisture Conditioning Compacted Asphalt Mixture Samples by Using Hydrostatic Pore Pressure, is under the jurisdiction of Subcommittee…
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An effort currently under way by the U.S. Federal Highway Administration to set national standards for minimum maintained retroreflectivity levels for pavement markings has illustrated the need for a practical protocol to measure such levels. In response to this need, ASTM International Committee D04 on Road and Paving has developed ASTM D7585/D7585M , Practice for Evaluating Retroreflective…
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ASTM grain size is a property written into many specifications for metals, with finer grain sizes generally indicating better mechanical properties, such as formability. While measuring certain materials for such properties can be difficult, electron backscatter diffraction can provide precise determinations as well as give information on grain size distribution and statistics. A new ASTM…
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Safety concerns and the need to obtain representative samples are the driving forces behind a proposed new standard being developed by ASTM International Committee D04 on Road and Paving Materials. The proposed new standard, ASTM WK26774 , Practice for Sampling Bituminous Paving Material from a Truck by Means of a Mechanical Sampling Device, is under the jurisdiction of Subcommittee D04.30 on…, ASTM Committee D04 Next Meeting:, Dec. 7-9, December Committee Week, New Orleans, La., Technical Contact:, Brian Johnson, AASHTO Materials Reference Laboratory, Gaithersburg, Md.; Phone: 301-975-6423; bjohnson@amrl.net, ASTM Staff Contact:, Daniel Smith, Phone: 610-832-9727; dsmith@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8612
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A recent revision to ASTM International standard E384 , Test Method for Knoop and Vickers Hardness of Materials, expands the range of its coverage. The standard is under the jurisdiction of Subcommittee E04.05 on Microindentation Hardness Testing, part of ASTM International Committee E04 on Metallography. The revision incorporates ASTM E92 , Test Method for Vickers Hardness of Metallic Materials…