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Drawing on the best practices of the U.S. Federal Highway Administration and the states, ASTM International Committee E17 on Vehicle-Pavement Systems has developed a new standard, E 2561 , Practice for Installation of Inductive Loop Detectors. E 2561 is under the jurisdiction of Subcommittee E17.52 on Traffic Monitoring. Inductive loop detectors are installed in sawed slots in roadway pavement…
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Airport operators, military pavement maintenance personnel, transportation regulatory agencies and state highway departments will all benefit from the approval of a new ASTM standard for measuring skid resistance. The standard, E 2340 , Test Method for Measuring the Skid Resistance of Pavements and Other Trafficked Surfaces Using a Continuous Reading, Fixed-Slip Technique, was developed by…
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A new ASTM International standard that covers annular ball bearings intended primarily for use in instrument and precision rotating components has been developed as a conversion of a U.S. military standard, MIL-B-81793F, Annular Ball Bearings, for Instruments and Precision Rotating Components. The new standard, F 2332 , Specification for Annular Ball Bearings for Instruments and Precision…
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Two new standards developed by ASTM International Committee E17 on Vehicle Pavement Systems will provide uniform specification and test criteria for agencies and manufacturers that deal with traffic monitoring devices. The new standards, which are both under the jurisdiction of Subcommittee E17.52 on Traffic Monitoring, are E 2300 , Specification for Highway Traffic Monitoring Devices, and E 2532…
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ASTM International Committee E07 on Nondestructive Testing has approved a new standard that can be used for the same applications as the now-cancelled MIL-STD-2154, Process for Inspection, Ultrasonic, Wrought Metals. The new standard, E 2375 , Practice for Ultrasonic Examination of Wrought Products, is under the jurisdiction of Subcommittee E07.06 on Ultrasonic Testing Procedures. Practice E…
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ASTM International Committee E07 on Nondestructive Testing has developed a new standard, E 2491, Guide for Evaluating Performance Characteristics of Phased-Array Ultrasonic Examination Instruments and Systems. Guide E 2491 , which is under the jurisdiction of Subcommittee E07.06 on Ultrasonic Method, is intended to be used for comparing instruments and systems, as well as for detecting long-term…
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A more efficient method to take asphalt pavement layer temperatures is the subject of a new standard developed by Subcommittee E17.41 on Pavement Management. The document, D 7228 , Test Method for Prediction of Asphalt-Bound Pavement Layer Temperatures, details surface temperature measurement and is based on temperature relationships in the Federal Highway Administration Long Term Pavement…
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Many state departments of transportation are collecting traffic data in real time and using it to manage traffic or provide travel information, as part of intelligent transportation systems. Some agencies save and archive this data after its initial real-time use and make it available to other data users, who often know little about how the data was collected or even what is contained in the data…
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New ASTM Nondestructive Testing Standard Presents Digital Images for Inspection of Aluminum CastingsDeveloping new ASTM standard E 2422, Reference Digital Images for Inspection of Aluminum Castings, wasn’t just a matter of digitizing the images used in current standard E 155, Reference Radiographs for Inspection of Aluminum and Magnesium Castings. According to Michael Horky, principal level III, RT, Boeing Commercial Airplanes, to create the new standard, task group members had to understand…
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A new, two DVD set, "Reference Radiograph E 2422, Standard Digital Reference Images for Inspection of Aluminum Castings," is now available for purchase from ASTM International. The images illustrate the types and degrees of discontinuities that may be found in aluminum-alloy castings. This two DVD set consists of 13 digital files, software to load the desired format, and specific instructions…