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A new ASTM International standard will have applications in a variety of factories, on artificial turfs and playing surfaces, and even in the classroom. The new standard, G194 , Test Method for Measuring Rolling Friction Characteristics of a Spherical Shape on a Flat Horizontal Surface, was developed by Subcommittee G02.50 on Friction, part of ASTM International Committee G02 on Wear and Erosion…
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A new mechanical sampling standard recently approved by ASTM International Committee D05 on Coal and Coke incorporates into one document four other ASTM standards dealing with mechanical samples. The new standard, D7430 , Practice for Mechanical Sampling of Coal, is under the jurisdiction of Subcommittee D05.23 on Sampling. Paul Reagan, president, Sampling Associates International, and a D05…
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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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Testing the oxygen permeation of packaging material is important for the suppliers of various barrier materials, as well as users of these materials in the food, pharmaceutical and consumer product companies, universities, research organizations and other industries. This kind of testing is covered in a new ASTM International standard approved by Committee F02 on Flexible Barrier Packaging, F2622…
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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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Laboratories that test coal and coke for moisture, volatile matter and ash will benefit from a proposed new standard being developed by ASTM International Committee D05 on Coal and Coke. The new standard, WK19081 , Test Method for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis, is being developed by a task group under the jurisdiction of Subcommittee D05.21 on Methods of…
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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…