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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 ASTM International standard provides the necessary background and describes the step-by-step process for analyzing nondestructive testing hit/miss data resulting from a probability of detection (POD) examination, including minimum requirements for validating the resulting POD curve. The new standard, ASTM E2862 , Practice for Probability of Detection Analysis for Hit/Miss Data, has been…
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A recently approved ASTM International standard will be used by neutron imaging facilities, particularly those that are setting up neutron tomography imaging systems. The new standard, ASTM E2861 , Test Method for Measurement of Beam Divergence and Alignment in Neutron Radiologic Beams, was developed by Subcommittee E07.05 on Radiology (Neutron) Method , part of ASTM International Committee E07…
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ASTM International Committee E07 on Nondestructive Testing has developed a new standard for recertifying gas-filled pressure vessels used aboard aircraft for fire suppression. The new standard, ASTM E2863 , Practice for Acoustic Emission Examination of Welded Steel Sphere Vessels Using Thermal Pressurization, is under the jurisdiction of Subcommittee E07.04 on Acoustic Emission Method . According…
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A new ASTM International standard will provide an industrywide practice for inspecting long lengths of above ground steel pipework using guided wave testing. ASTM E2775 , Practice for Guided Wave Testing of Above Ground Steel Pipework Using Piezoelectric Effect Transduction, is under the jurisdiction of Subcommittee E07.10 on Specialized NDT Methods , part of ASTM International Committee E07 on…, ASTM Committee E07 Next Meeting:, Jan. 22-26, 2012, Plantation, Fla., Technical Contact:, Jimmy Fong, Guided Ultrasonics Ltd., Brentford, Great Britain, Phone: +011-44-0-45-605-0227; jimmy@guided-ultrasonics.com, ASTM Staff Contact:, Kathleen McClung, Phone: 610-832-9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #8993
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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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The importance of digital detector array technology is increasing as industry continues its transition from film radiography to the digital realm. Subcommittee E07.01 on Radiology (X and Gamma) Method, part of ASTM International Committee E07 on Nondestructive Testing, has recently approved the following three new standards that will aid users in the film-to-digital transition: • ASTM E2698 ,…
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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…