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ASTM F 1650 : 1998 : R2014

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Evaluating Tire Traction Performance Data Under Varying Test Conditions
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-01-2014

CONTAINED IN VOL. 09.02, 2015 Defines the required procedures for examining sequential control tire data for any variation due to changing test conditions.

1.1This practice covers the required procedures for examining sequential control tire data for any variation due to changing test conditions. Such variations may influence absolute and also comparative performance of candidate tires, as they are tested over any short or extended time period. The variations addressed in this practice are systematic or bias variations and not random variations. See Appendix X1 for additional details.

1.1.1Two types of variation may occur: time or test sequence “trend variations,” either linear or curvilinear, and the less common transient or abrupt shift variations. If any observed variations are declared to be statistically significant, the calculation procedures are given to correct for the influence of these variations. This approach is addressed in Method A.

1.2In some testing programs, a policy is adopted to correct all candidate traction test data values without the application of a statistical routine to determine if a significant trend or shift is observed. This option is part of this practice and is addressed in Method B.

1.3The issue of rejecting outlier data points or test values that might occur among a set of otherwise acceptable data values obtained under identical test conditions in a short time period is not part of this practice. Specific test method or other outlier rejection standards that address this issue may be used on the individual data sets prior to applying this practice and its procedures.

1.4Although this practice applies to various types of tire traction testing (for example, dry, wet, snow, ice), the procedures as given in this practice may be used for any repetitive tire testing in an environment where test conditions are subject to change.

1.5This 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.

Committee
F 09
DocumentType
Standard Practice
Pages
13
ProductNote
Reconfirmed 2014
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM F 1649 : 2013 Standard Test Methods for Evaluating Wet Braking Traction Performance of Passenger Car Tires on Vehicles Equipped with Anti-Lock Braking Systems
ASTM F 1805 : 2018 Standard Test Method for Single Wheel Driving Traction in a Straight Line on Snow- and Ice-Covered Surfaces
ASTM F 1572 : 2008 : R2015 Standard Test Methods for Tire Performance Testing on Snow and Ice Surfaces
ASTM F 408 : 1999 : R2015 Standard Test Method for Tires for Wet Traction in Straight-Ahead Braking, Using a Towed Trailer
ASTM F 1806 : 2014 Standard Practice for Tire Testing Operations–Basic Concepts and Terminology for Reference Tire Use

ASTM E 826 : 2014 : REDLINE Standard Practice for Testing Homogeneity of a Metal Lot or Batch in Solid Form by Spark Atomic Emission Spectrometry
ASTM F 538 : 2013 : REDLINE Standard Terminology Relating to the Characteristics and Performance of Tires
ASTM E 1136 : 2017 : REDLINE Standard Specification for P195/75R14 Radial Standard Reference Test Tire

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