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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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Research and field experience have shown that fines free of clay and other harmful materials can be non-detrimental, and even beneficial, for concrete properties. A proposed new ASTM International standard will be used to distinguish between harmful and non-harmful fines in construction aggregate. ASTM WK36804 , Test Method for Rapid Determination of the Methylene Blue Value for Fine Aggregate…
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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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A new test method is the latest in a series of ASTM International standards being developed to address the protection of exterior portions of structures during fires. The new standard, ASTM E2726/E2726M , Test Method for Evaluating the Fire-Test-Response of Deck Structures to Burning Brands, is being developed by Subcommittee E05.14 on External Fire Exposures , part of ASTM International…
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A new ASTM standard will provide the United States building codes with a test method designed to test a heating, ventilation and air conditioning duct system or its materials for fire resistance and other durability requirements. ASTM E2816 , Test Methods for Fire Resistive Metallic HVAC Duct Systems, was developed by Subcommittee E05.11 on Fire Resistance , under the jurisdiction of ASTM…
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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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Fire test laboratories, caulk and sealant manufacturers, and code officials will be the primary users of a new ASTM International standard, ASTM E2690 , Practice for Specimen Preparation and Mounting of Caulks and Sealants to Assess Surface Burning Characteristics. The standard was developed by Subcommittee E05.22 on Surface Burning, which is part of ASTM International Committee E05 on Fire…, ASTM Committee E05 Next Meeting:, June 12-15, 2011, June Committee Week, Anaheim, Calif., Technical Contact:, Paul Hough, Armstrong World Industries, Lancaster, Pa., Phone: 717-396-4195; pahough@armstrong.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 #8723
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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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Subcommittee E05.11 on Fire Resistance is responsible for two new standards recently approved by ASTM International Committee E05 on Fire Standards. FIRE-RESISTANCE EXPERIMENTS It is a common practice to modify the tests contained in ASTM E119 , Test Methods for Fire Tests of Building Construction and Materials, in order to gather information on the effect of altering specific variables. However…
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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