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Arc protective blankets are used in many electrical applications to protect workers who are stationed near energized electrical parts. While these blankets have been used for years, there have been no testing criteria for their evaluation. A new ASTM International standard will be used to determine the effectiveness of arc protective blankets in suppressing the combined effect of an arc flash and…
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ASTM International Committee F37 on Light Sport Aircraft is currently at work on a proposed new standard that will aid light sport aircraft manufacturers in understanding the standardization system that governs their products. ASTM WK22124 , Guide for Compliance with Light Sport Airplane Standards, is under the jurisdiction of the F37.20 Airplane subcommittee. According to Thomas Gunnarson, U.S.…
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ASTM International Committee F37 on Light Sport Aircraft will meet March 30 to April 1, 2009, at the Messe Friedrichshafen Exhibition Grounds in Friedrichshafen, Germany, in conjunction with AERO Friedrichshafen 2009. The three days of F37 technical meetings will include discussions on changes to key LSA standards and proposals for new documents. It will also include several other activities,…
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Many factors, such as traffic, drainage, structure and climatic variations, impact the field performance of asphalt concrete. However, asphalt concrete performance has been more accurately predicted when laboratory material properties are known, so ASTM International Committee D04 on Road and Paving Materials has approved a new standard, ASTM D7460 , Test Method for Determining Fatigue Failure of…
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Current methods for determining bulk specific gravity of aggregate are often time-consuming and not ideal for quality control checks during construction. However, a new ASTM International standard provides a fast method for determining the consistency of aggregate properties that are used in asphalt and concrete mixtures. Committee D04 on Road and Paving Materials has approved ASTM D7370…
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A growing need to recycle millions of tires discarded annually is the impetus for the continued development of a proposed new ASTM International specification that provides standards for converting tires into an asphalt product. WK20240 , Specification for Performance Graded Tire Rubber-Modified Asphalt Binder is being developed by Subcommittee D04.40 on Asphalt Specifications, under the…
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A new ruling by the Federal Railroad Administration cites an ASTM standard as a means of making emergency exits from trains more visible to emergency personnel. The standard cited, D 4956 , Specification for Retroreflective Sheeting for Traffic Control, is under the jurisdiction of Subcommittee D04.38 on Highway Traffic Control Materials, part of ASTM International Committee D04 on Road and…
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A proposed new standard will provide a practice for inspecting and evaluating the retroreflective properties of longitudinal non-intersection pavement markings. The proposed standard, WK16773 , Practice for Evaluating Retroreflectance of Pavement Markings Using Portable Hand-Operated Instruments, is being developed by Subcommittee D04.38 on Highway Traffic Control Materials, which is part of ASTM…
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Interested parties are invited to participate in the ongoing development of a proposed new standard, WK15543 , Test Method for Determining Fatigue Failure of Compacted Asphalt Concrete Subjected to Repeated Flexural Bending. The proposed standard is being developed by Subcommittee D04.26 on Fundamental/Mechanistic Tests, which is part of ASTM International Committee D04 on Road and Paving…
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A new ASTM International standard, F 2621 , Practice for Determining Response Characteristics and Design Integrity of Arc Related Finished Products in an Electric Arc Exposure, is the latest in a series of standards developed by Subcommittee F18.65 on Wearing Apparel to reduce the number of fatalities and injuries caused by electric arcs. ASTM Practice F 2621 provides procedural guidelines for…