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Description of ASTM-E2793 2010ASTM E2793 - 10e1Standard Guide for the Evaluation, Calibration, and Correlation of E274 Friction Measurement Systems and EquipmentActive Standard ASTM E2793 | Developed by Subcommittee: E17.21 Book of Standards Volume: 04.03 ASTM E2793Significance and Use Friction characteristics of road surfaces are monitored by friction measurement systems, and the operating procedure for the use of these systems is found in Test Method . However, mechanical or electronic system anomalies, over time, could result in measurement errors or inaccuracies. This requires that each of these systems be evaluated, calibrated and correlated on a regular basis. This guide defines the process of ensuring that Test Method systems produce consistent and accurate data and correlating the Test Method systems to national benchmark Test Method systems. 1. Scope 1.1 This guide describes the evaluation, calibration, and correlation of Test Method friction measurement systems as conducted at a Field Test Center (FTC) . The evaluation, calibration and correlation process; using the specialized equipment, facilities, surfaces, trained personnel, and Area Reference Friction Measurement Systems (ARFMS) available at each FTC; are conducted using the procedures described below. 1.2 The FTC complies with the requirements of Guide . Guide requires a more stringent calibration process and requires all ARFMS system be correlated together once a year on three surfaces at three speeds with twelve repeats each for a total of 108 pairs. 1.3 This guide is offered as a process to identify and quantify the variables that affect system performance, to minimize the effect of these variables, and to provide a means to relate Test Method friction measurement systems to reference skid measurement systems. 1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards E274 Test Method for Skid Resistance of Paved Surfaces Using a Full-Scale Tire E501 Specification for Rib Tire for Pavement Skid-Resistance Tests E524 Specification for Smooth Tire for Pavement Skid-Resistance Tests E556 Test Method for Calibrating a Wheel Force or Torque Transducer Using a Calibration Platform (User Level) E867 Terminology Relating to Vehicle-Pavement Systems E1890 Guide for Validating New Area Reference Skid Measurement Systems and Equipment F377 Practice for Calibration of Braking/Tractive Measuring Devices for Testing Tires F457 Test Method for Speed and Distance Calibration of Fifth Wheel Equipped With Either Analog or Digital Instrumentation Keywords ICS Code ICS Number Code 21.260 (Lubrication systems) DOI: 10.1520/E2793-10E01 ASTM International is a member of CrossRef. ASTM E2793This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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