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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 synthetic turf industry has been plagued with drainage performance issues for many years. Huge demand has driven the industry to grow and, as more systems have been built, the potential for issues grows. With pricing competition and inexperience being factors, how well a field system drains needs to be addressed in a consistent manner. This challenge has now been addressed with the…
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Subcommittee F08.28 on Equestrian Services was formed in November 2009 and is part of ASTM International Committee F08 on Sports Equipment and Facilities. F08.28 is seeking input from equestrian trackmen and horsemen who are interested in improving the performance, uniformity and safety of equestrian surfaces, beginning with the development of the following three proposed standards. Once approved…, ASTM WK29881, Use of an Impact Analyzer to Evaluate Turfgrass Tracks Used for Horse Racing, According to Michael DePew, consulting agronomist/soil scientist, Environmental Technical Services LLC, and an F08 member, there is a need for tools for turf track evaluations that have a consistent methodology for application throughout the equestrian industry. “ ASTM WK29881 will be an evaluation tool that is intended to provide a track superintendent some of the information necessary to…, ASTM WK29879, Guide for the Laboratory Evaluation of Dirt Track Soil Material Used for Horse Racing, The purpose of ASTM WK29879 is to standardize the types of tests performed when a racing facility submits a soil sample for evaluation. The proposed standard will also cover the format of reports that result from soil tests. “A variety of soil laboratories (agronomic and engineering labs) are used to evaluate soil samples for dirt tracks,” says DePew. “Having consistent track soil evaluations…, ASTM WK27877, Terminology Relating to Thoroughbred Horse Racing Surfaces, The proposed new terminology standard will “allow track persons to communicate track surfaces/components on a consistent basis and on an ‘apples to apples’ basis,” says DePew, who also notes that ASTM WK27877 will help to reduce the use of varying terms in the equestrian industry. For more information on becoming an ASTM member, visit www.astm.org/JOIN ., ASTM Committee F08 Next Meeting:, Nov 17-19, November Committee Week, San Antonio, Texas, Technical Contact:, Michael DePew, Environmental Technical Services LLC, Tekonsha, Mich., Phone: 517-767-4507; proturf@hotmail.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 #8697/Sept2010
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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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A new ASTM International standard can now be used to set strength requirements for condition 0 bicycle frames. Condition 0 bicycles, typically referred to as sidewalk bikes, are designed for young children riding under the supervision of an adult. The new standard, ASTM F2843 , Specification for Condition 0 Bicycle Frames, was developed by Subcommittee F08.10 on Bicycles, part of ASTM…
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Committee F08 on Sports Equipment and Facilities has developed a new ASTM International standard that measures the stiffness and elasticity of baseballs and softballs relative to cylindrical collisions. The new standard, ASTM F2845 , Test Method for Measuring the Dynamic Stiffness (DS) and Cylindrical Coefficient of Restitution (CCOR) of Baseballs and Softballs, is under the jurisdiction of…
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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
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The need for a standard test method that would allow the determination of the complex shear modulus of bituminous mixtures using relatively inexpensive laboratory equipment has led to the development of a new ASTM International standard, ASTM D7552 , Test Method for Determining the Complex Shear Modulus (G*) of Bituminous Mixtures Using Dynamic Shear Rheometer. According to Gerald Reinke,…, ASTM Committee D04 Next Meeting:, June 8-10, June committee week, St. Louis, Mo. Technical Contact: Gerald Reinke, MTE Services Inc., Phone: 608-779-6304; greinke@mathy.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 Release #8457/Jan2010
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More frequent worldwide use of asphalt-rubber binders in road building has increased the need for rotational viscotesters, which are used to ensure proper quality control and assurance. While an appropriate standard for viscotesters does not currently exist, a proposed new ASTM standard will answer this need. The proposed standard, WK25108 , Test Method for Measurement of Apparent Viscosity of…