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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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Subcommittee F32.03 on Personnel, Training and Education is currently at work on several proposed standards. Among these standards are ASTM WK33934 , Guide for Mountain Search and Rescue Member Level I (Mtm SAR-LI), and ASTM WK34207 , Guide for Helicopter Land Operations Search and Rescue Technician. F32.03 is part of ASTM International Committee F32 on Search and Rescue . All interested parties…, Mountain Search and Rescue, ASTM WK33934 will fill a gap that exists in criteria for a National Emergency Responder Credentialing System that is currently being developed by the Federal Emergency Management Agency, which is part of the U.S. Department of Homeland Security. According to Tim Kovacs, Central Arizona Mountain Rescue Association, and Mike Vorachek, Bonneville County Sheriff’s Search and Rescue, FEMA’s system…, Helicopter Land Operations, Proposed new standard ASTM WK34207 will be used by individuals who have SAR training but would like to use their skills in a helicopter environment, and by helicopter crewmembers who would like to expand their SAR skills to support such missions more effectively from the air. Work on the proposed standard is part of the ongoing efforts to create guides that will be used as part of the National…, ASTM Committee F32 Next Meeting:, Nov. 6-7, 2011, Fort Collins, Colo., in conjunction with the International Tech Rescue Symposium, Technical Contact:, (WK33934) Abigail Gaines, SRA International, Arlington, Va., Phone: 202-421-0257; abi_gaines@sra.com ; (WK34207) David Moskowitz, SRA International, Pender, Va., Phone: 404-808-8912; david_moskowitz@sra.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 #8983
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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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Rope rescue uses various types of ropes and other specialized equipment to reach victims and return them safely from dangerous urban or wilderness environments. While a basic level ASTM standard for rope rescue does exist (F2752, Guide for Training for Level I Rope Rescue (R1) Rescuer Endorsement), there has been a need for intermediate operations and advanced technician level standards. These…, Technical Contact:, Sarah Stokesbury, SRA International, Inc., Denver, Colo., Phone: 703-919-9836; sarah_stokesbury@sra.com, ASTM Staff Contact:, Thomas O’Toole, 610-832-9739; totoole@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8904
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Two new ASTM International standards on rescue litters and fixed anchorages will contribute to the safety and efficiency of search and rescue operations. Both standards were developed by Subcommittee F32.01 on Equipment, Testing and Maintenance, part of ASTM International Committee F32 on Search and Rescue., BASKET TYPE RESCUE LITTERS, Until the development of ASTM F2821 , Test Methods for Basket Type Rescue Litters, there had not been a standardized means for manufacturers to test these rescue devices, according to John McKently, Los Angeles County Sheriff's Department, and an F32 member. “ASTM F2821 was developed because there was no standard available that allowed manufacturers to test litter products in the same way,” says…, FIXED ANCHORAGES, According to McKently, the impetus for the development of ASTM F2822 , Specification for Fixed Anchorages Installed on Structures Used for Rope Rescue Training, was similar to that of ASTM F2821. In this case, the standard was developed to provide minimum strength requirements for anchorages permanently installed or attached to training towers or other structures used for rope rescue training. “…, ASTM Committee F32 Next Meeting:, Nov. 7-10, in conjunction with the International Technical Rescue Symposium, Golden, Colo., Technical Contact:, John McKently, Los Angeles County Sheriff's Department, Glendale, Calif., Phone: 818-247-3209; jmckently@earthlink.net, 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 #8654
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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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ASTM International Committee F32 on Search and Rescue is currently developing a number of proposed new standards. Two of the proposed standards under the jurisdiction of Subcommittee F32.02 on Management and Operations are WK23984 , Guide for Level 1 (Basic) Mounted Search and Rescue (MSAR) Responder, and WK24699, Guide for Training for Land SAR as a Level 1 Out of Area Disaster Responder.…
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ASTM Pervious Concrete Subcommittee Developing Proposed Standard for Sustainable Mixture ProportionsOnce approved, a proposed new ASTM standard will aid concrete producers in developing sustainable and durable mixture proportions for pervious concrete. The proposed new standard, WK23367 , Test Method for Evaluating the Surface Durability Potential of a Pervious Concrete Mixture, is being developed by Subcommittee C09.49 on Pervious Concrete, part of ASTM International Committee C09 on Concrete…