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Norma Técnica
Código
ASTM E303:93(2018)  
Código Secundário : E0303-93R18
Data de Publicação : 01/05/2018
Título : Standard Test Method for Measuring Surface Frictional Properties Using the British Pendulum Tester
Comitê : E17.23 Vehicle - Pavement Systems
Páginas : 6
Status : Em Vigor  
Idioma : Inglês
Organismo : ASTM - American Society for Testing and Materials
Preço (R$) : 576,00
Objetivo :

1.1 This test method covers the procedure for measuring surface frictional properties using the British pendulum skid resistance tester.2 A method for calibration of the tester is included in Annex A1.

1.2 The British pendulum tester is a dynamic pendulum impact-type tester used to measure the energy loss when a rubber slider edge is propelled over a test surface. The tester is suited for laboratory as well as field tests on flat surfaces, and for polish value measurements on curved laboratory specimens from accelerated polishing wheel tests.

1.3 The values measured, BPN = British pendulum (tester) number for flat surfaces and polish values for accelerated polishing wheel specimens, represent the frictional properties obtained with the apparatus and the procedures stated herein and do not necessarily agree or correlate with other slipperiness measuring equipment.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 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.

Normas Necessárias para a aplicação da ASTM E303:93(2018)
ASTM C1272:17
ASTM D3319:11(2017)
ASTM D4505:12(2017)
ASTM D4592:12(2017)
ASTM E1777:09(2019)
ASTM E660:90(2015)
ASTM F1649:20
ASTM F2157:09(2018)
ASTM F2772:2019
ASTM G115:10(2018)
ICS/CIN
17.040.20 - Propriedades das superfícies
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