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Description of ASTM-E2101 2024ASTM E2101-15-Reapproved2024Active Standard: Standard Test Method for Measuring the Frictional Properties of Winter-Contaminated Pavement Surfaces Using an Averaging-Type Spot Measuring DecelerometerASTM E2101Scope 1.1 This test method covers the measurement of the frictional properties of winter-contaminated pavement surfaces using an averaging-type spot measuring decelerometer. If a data phone is used, it should meet all the requirements where the word decelerometer is used in this standard. The method produces a reading that is proportional to the deceleration sustained by a test vehicle fitted with pneumatic rubber tires braking with all wheels locked. A friction index for a section of winter-contaminated pavement is determined from the average of several deceleration measurements recorded over the section of winter-contaminated pavement. 1.2 This test method is applicable to averaging-type spot measuring decelerometers. 1.3 This test method is applicable to the following winter-contaminated pavement surface conditions: 1.3.1 Ice; 1.3.2 Wet ice (ice covered with a thin film of moisture of a depth insufficient to cause hydroplaning); 1.3.3 Compacted snow, any depth; 1.3.4 Slush on ice, slush not exceeding 3 mm (0.1 in.) in depth; 1.3.5 Loose, dry snow, not exceeding 25 mm (1 in.) in depth; 1.3.6 Ice control chemical solution on ice; and 1.3.7 Sand on ice. 1.4 This test method shall not be used when the following winter-contaminated pavement surface conditions are present: 1.4.1 Water on a bare pavement surface; 1.4.2 Slush; and 1.4.3 Loose snow exceeding 25 mm (1 in.) in depth. 1.5 The values stated in SI units are to be regarded as the standard. The values in parentheses are in inch-pound units and are not exact equivalents; therefore, each system must be used independent of the other, without combining values in any way. 1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Keywords airport runway friction; braking; deceleration; decelerometer; tire pavement friction; winter conditions; ICS Code ICS Number Code 13.020.40 (Pollution, pollution control and conservation) DOI: 10.1520/E2101-15R24 This 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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