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A new ASTM standard, C 1646/C 1646M , Practice for Making and Curing Test Specimens for Evaluating Frost Resistance of Coarse Aggregate in Air-Entrained Concrete by Rapid Freezing and Thawing, now provides requirements for specimen preparation for C 666 testing. Both C 666 and C 1646 are under the jurisdiction of Subcommittee C09.67 on Resistance to the Environment, part of ASTM International…
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ASTM International Committee F11 on Vacuum Cleaners has fulfilled an industry need with the approval of a new standard, F 2608 , Test Method for Determining the Change in Room Air Particulate Counts as a Result of the Vacuum Cleaning Process. The standard is under the jurisdiction of Subcommittee F11.23 on Filtration. “The industry determined a need for a test method that is representative of…
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Two recently formed task groups on preparing pervious concrete specimens and research will be participating in the first meeting of the new Subcommittee C09.49 on Pervious Concrete from 8:00 to 10:00 a.m. on June 25 during the ASTM Committee Week in Norfolk, Va. C09.49 is part of ASTM International Committee C09 on Concrete and Concrete Aggregates. Heather Brown, Middle Tennessee State University…, Standardization News, , Karthik Obla, chair of Subcommittee C09.49, noted that there has been a resurgence in interest in pervious concrete due to the U.S. Environmental Protection Agency’s recent recognition of its use as a best management practice for storm water management. An increasing focus on sustainability and the green movement has also contributed to the importance of pervious concrete as a building material…
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When ASTM International Committee F38 on Unmanned Aircraft Systems was formed in 2003, it is safe to say no one on the committee was thinking about catapults and trebuchets. However, a study of these medieval devices was integral to the development of a new F38 standard, F 2585 , Specification for Design and Performance of Pneumatic-Hydraulic Unmanned Aircraft System (UAS) Launch System. F 2585…
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ASTM International Committee C09 on Concrete and Concrete Aggregates invites all interested parties to attend the first meeting of new Subcommittee C09.49 on Pervious Concrete during the June ASTM Committee Week in Norfolk, Va. The Executive Subcommittee of C09 approved the formation of the subcommittee after more than 60 attendees expressed significant interest and feedback at a formational…
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A proposed new ASTM International standard, WK12964 , Specification for Blended Supplementary Cementitious Materials, will enable producers, especially those with limited silos, to take advantage of the benefits of blending materials. WK12964 is being developed by Subcommittee C09.24 on Supplementary Cementitious Materials, part of ASTM International Committee C09 on Concrete and Concrete…
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All interested parties are invited to attend the meetings of ASTM International Committee F38 on Unmanned Aircraft Systems on Nov. 13 and 14, during the November Committee Week in Atlanta, Georgia. The subjects to be discussed at the meeting are sense-and-avoid, terminology, launchers, visual range flight practices, commercial pilot practices and manufacturing quality assurance practice. One trio…
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ASTM Committee C09 on Concrete and Concrete Aggregates will hold a planning meeting for proposed new standards activity on pervious concrete on Dec. 4 at the C09 meeting in Atlanta, Ga. The committee is especially seeking researchers who have been experimenting with different types of tests for pervious concrete, as well as specifying engineers, concrete technologists and contractors. “Many…
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Having the necessary documentation to maintain and repair any sort of aircraft is of the utmost importance. With this in mind, ASTM International Committee F38 on Unmanned Aircraft Systems has developed a new standard, F 2584 , Practice for Maintenance and Development of Maintenance Manuals for Light Unmanned Aircraft System (UAS). The new practice, which is under the jurisdiction of Subcommittee…
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A new ASTM standard, C 1610/C 1610M , Test Method for Static Segregation of Self-Consolidating Concrete Using Column Technique, satisfies a need within the industry for a test method to measure the stability of self-consolidating concrete. The standard is under the jurisdiction of Subcommittee C09.47 on Self-Consolidating Concrete, which is part of ASTM International Committee C09 on Concrete and…