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Formalizing a method for making a cylindrical specimen of roller-compacted concrete in a gyratory compactor is the primary purpose of a proposed new ASTM International standard. ASTM WK33682 , Test Method for Preparation, Compaction and Density Determination of Roller-Compacted Concrete Specimens by Means of the Superpave Gyratory Compactor, is being developed by Subcommittee C09.45 on Roller-…
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While the use of internally cured concrete in construction is not new, there is now better understanding of the internal curing process and why IC using pre-wetted lightweight aggregate increases concrete durability and service life in an economical and practical way. However, there is not currently a standard for lightweight aggregates for internal curing. ASTM International Committee C09 on…
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A proposed new standard being developed by ASTM International Committee F30 on Emergency Medical Services will be useful to medical equipment manufacturers, certification agencies and care providers, with patients being the ultimate beneficiaries. The proposed new standard, ASTM WK27973 , Specification for Environmental Performance of Medical Equipment for Use on Fixed and Rotary-Wing Aircraft,…, Technical Contact:, Pete Chambers, Marketing Assessment Inc., Phone: 703-673-9003; pete@marketingassessment.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8671/Sept2010
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ASTM International Committee F08 on Sports Equipment and Facilities is focusing on elliptical equipment in its two latest approved standards. Both F2810, Specification for Elliptical Trainers, and ASTM F2811 , Test Methods for Evaluating Design and Performance Characteristics of Elliptical Trainers, are under the jurisdiction of Subcommittee F08.30 on Fitness Products. Harvey Voris, vice…, ASTM Committee F08 Next Meeting:, Nov. 16-19, November Committee Week, San Antonio, Texas, Technical Contact:, Harvey Voris, Paramount Fitness Corp., Los Angeles, Calif., Phone: 323-721-2121; hvoris@paramountfitness.com, ASTM Staff Contact:, Christine Basile, Phone: 610-832-9728; cbasile@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8672/Sept2010
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X-ray diffraction has become a popular means of residual stress measurement in the aerospace materials field over the last 50 years. A proposed new guide being developed by ASTM International Committee E28 on Mechanical Testing will provide the necessary information to obtain the most reliable residual stress values as well as identify and evaluate potential errors in measurement, paving the way…
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ASTM International Committee C09 on Concrete and Concrete Aggregates is currently developing a proposed standard that addresses bleed stability. ASTM WK28156 , Test Method for Bleed Stability of Cementitious Grout Under Static Pressure, is under the jurisdiction of ASTM International Subcommittee C09.41 on Hydraulic Cement Grouts. When cementitious grouts bleed, mixing water separates from the…, ASTM Committee C09 Next Meeting:, Dec. 6-8, December Committee Week, New Orleans, La., Technical Contact:, Fred Goodwin, BASF Construction Chemicals, Cleveland, Ohio, Phone: 216-839-7009; fred.goodwin@basf.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8648
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Members of ASTM Committees C09 on Concrete and Concrete Aggregates and C01 on Cement, as well as other interested parties, are invited to join new Subcommittee C09.50 on Risk Management for Alkali Aggregate Reactions. The new subcommittee will develop standards on the mitigation of deleterious alkali-aggregate reactions in concrete. To initiate the launch of C09.50, Committees C01 and C09 are the…
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Subjects Include Aggregate Resistivity, Lightweight Aggregates, Methacrylate Bonding Systems and Semi-Adiabatic Calorimetry The following four proposed new standards are among those currently being developed by subcommittees under the jurisdiction of ASTM Committee C09 on Concrete and Concrete Aggregates. Subject matter covered by these standards includes aggregate resistivity, lightweight…
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Engineers and researchers who have specialized Charpy testing needs will be the primary users of two new standards recently approved by ASTM International Committee E28 on Mechanical Testing. The new standards, E2248 , Test Method for Impact Testing of Miniaturized Charpy V-Notch Specimens, and E2298 , Test Method for Instrumented Impact Testing of Metallic Materials, were developed by…
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Mass casualty events, including both natural disasters and man-made events, subject caregivers, patients and medical equipment to environmental extremes. A new standard being developed by ASTM International Committee F30 on Emergency Medical Services provides guidance for how medical equipment is expected to perform under the severe conditions of a mass casualty event. The proposed standard, ASTM…