ASTM F1805-16
(Test Method)Standard Test Method for Single Wheel Driving Traction in a Straight Line on Snow- and Ice-Covered Surfaces
Standard Test Method for Single Wheel Driving Traction in a Straight Line on Snow- and Ice-Covered Surfaces
SIGNIFICANCE AND USE
5.1 This test method describes a technique for assessing the performance characteristics of tires in a winter environment on snow and ice surfaces. When snow is referred to hereafter, ice is implied as appropriate.
5.2 The measured values quantify the dynamic longitudinal traction properties of tires under driving torque. Dynamic traction properties are obtained on snow surfaces prepared in accordance with the stated test procedures and attempts to quantify the tires' performance when integrated into a vehicle-environmental system. Changing any one of these environmental factors will change the measurements obtained on a subsequent test run.
5.3 This test method addresses longitudinal driving traction properties only on snow and ice surfaces. Refer to Test Methods F1572 for test methods for braking and lateral traction properties on snow or ice, or both.
SCOPE
1.1 This test method covers a procedure for measuring the driving traction of passenger car and light truck tires while traveling in a straight line on snow- or ice-covered surfaces.
1.2 This test method utilizes a dedicated, instrumented, four-wheel rear-wheel drive test vehicle with a specially instrumented drive axle to measure fore-aft and vertical forces acting on a single driven test tire.
1.3 This test method is suitable for research and development purposes where tires are compared during a single series of tests. They may not be suitable for regulatory statutes or specification acceptance because the values obtained may not necessarily agree or correlate either in rank order or absolute traction performance level with those obtained under other environmental conditions on other surfaces or the same surface after additional use.
1.4 The values stated in SI units are to be regarded as the standard. Ordinarily, N and kN should be used as units of force. This standard may utilize kgf as a unit of force in order to accommodate the use of load and pressure tables, as found in other standards both domestic and global that are commonly used with this 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: F1805 − 16
Standard Test Method for
Single Wheel Driving Traction in a Straight Line on Snow-
1
and Ice-Covered Surfaces
This standard is issued under the fixed designation F1805; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope F377PracticeforCalibrationofBraking/TractiveMeasuring
Devices for Testing Tires
1.1 This test method covers a procedure for measuring the
F538Terminology Relating to the Characteristics and Per-
driving traction of passenger car and light truck tires while
formance of Tires
traveling in a straight line on snow- or ice-covered surfaces.
F1046Guide for Preparing Artificially Worn Passenger and
1.2 This test method utilizes a dedicated, instrumented,
Light Truck Tires for Testing
four-wheel rear-wheel drive test vehicle with a specially
F1572Test Methods for Tire Performance Testing on Snow
instrumented drive axle to measure fore-aft and vertical forces
and Ice Surfaces
acting on a single driven test tire.
F1650Practice for Evaluating Tire Traction Performance
Data Under Varying Test Conditions
1.3 This test method is suitable for research and develop-
ment purposes where tires are compared during a single series F2493Specification for P225/60R16 97S Radial Standard
Reference Test Tire
of tests. They may not be suitable for regulatory statutes or
specification acceptance because the values obtained may not
2.2 Other Standards:
necessarily agree or correlate either in rank order or absolute
The European Tyre and Rim Technical Organisation Stan-
3
traction performance level with those obtained under other
dards Manual
environmentalconditionsonothersurfacesorthesamesurface
TheJapanAutomobileTyreManufacturersAssociation,Inc.
4
after additional use.
Yearbook
5
The Tire & Rim Association, Inc. Year Book
1.4 The values stated in SI units are to be regarded as the
Tire Information Service Bulletin, Vol. 37/No. 3Rubber
standard.Ordinarily,NandkNshouldbeusedasunitsofforce.
Manufacturers Association (RMA) Definition for Passen-
This standard may utilize kgf as a unit of force in order to
ger and Light Truck Tires for Use in Severe Snow
accommodate the use of load and pressure tables, as found in
6
Conditions
other standards both domestic and global that are commonly
usedwiththisstandard.Thevaluesgiveninparenthesesarefor
3. Terminology
information only.
3.1 Definitions:
1.5 This standard does not purport to address all of the
3.1.1 candidate tire, n—a test tire that is part of a test
safety concerns, if any, associated with its use. It is the
program. F538
responsibility of the user of this standard to establish appro-
3.1.1.1 Discussion—The term “candidate object” may be
priate safety and health practices and determine the applica-
used in the same sense as candidate tire.
bility of regulatory limitations prior to use.
3.1.2 control tire, n—a reference tire used in a specified
2. Referenced Documents
manner throughout a test program. F538
2
2.1 ASTM Standards:
3.1.2.1 Discussion—Acontroltiremaybeofeithertypeand
E1136Specification for P195/75R14 Radial Standard Refer-
typicaltireusedisthereference(control)tireinPracticeF1650
ence Test Tire
1 3
This test method is under the jurisdiction of Committee F09 on Tires and is the AvailablefromTheEuropeanTyreandRimTechnicalOrganisation,78/80,rue
direct responsibility of Subcommittee F09.20 on Vehicular Testing. Defacqz B-1060, Brussels, Belgium.
4
Current edition approved Jan. 1, 2016. Published February 2016. Originally Available from The Japan Automobile Tyre Manufacturers Association, Inc.,
approved in 1997. Last previous edition approved in 2012 as F1805–12. DOI: No. 33 Mori Bldg. 8th Floor, 3-8-21 Toranomon, Minato-ku, Toyko, Japan 105-
10.1520/F1805-16. 0001.
2 5
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from The Tire & Rim Association, Inc., 175 Montrose West Ave.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Suite 150, Copley, OH 44321.
6
Standards volume information, refer to the standard’s Document Summary page on Available from the Rubber Manufacturers Association, 1400 K Street, N.W.,
the ASTM website. Washington D.C. 20005.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F1805 − 16
that provides algorithms for correcting (adjusting) test data for 3.1.18.1 Discussion—Test data are used to evaluate or
bias trend variations. (See Practice F1650. See also the modelselectedpropertiesorcharacteristicsoftheobject(orset
discussion in 3.1
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F1805 − 12 F1805 − 16
Standard Test Method for
Single Wheel Driving Traction in a Straight Line on Snow-
1
and Ice-Covered Surfaces
This standard is issued under the fixed designation F1805; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers a procedure for measuring the driving traction of passenger car and light truck tires while traveling
in a straight line on snow- or ice-covered surfaces.
1.2 This test method utilizes a dedicated, instrumented, four-wheel rear-wheel drive test vehicle with a specially instrumented
drive axle to measure fore-aft and vertical forces acting on a single driven test tire.
1.3 This test method is suitable for research and development purposes where tires are compared during a single series of tests.
They may not be suitable for regulatory statutes or specification acceptance because the values obtained may not necessarily agree
or correlate either in rank order or absolute traction performance level with those obtained under other environmental conditions
on other surfaces or the same surface after additional use.
1.4 The values stated in SI units are to be regarded as the standard. Ordinarily, N and kN should be used as units of force. This
standard may utilize kgf as a unit of force in order to accommodate the use of load and pressure tables, as found in other standards
both domestic and global that are commonly used with this 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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
E1136 Specification for P195/75R14 Radial Standard Reference Test Tire
F377 Practice for Calibration of Braking/Tractive Measuring Devices for Testing Tires
F538 Terminology Relating to the Characteristics and Performance of Tires
F1046 Guide for Preparing Artificially Worn Passenger and Light Truck Tires for Testing
F1572 Test Methods for Tire Performance Testing on Snow and Ice Surfaces
F1650 Practice for Evaluating Tire Traction Performance Data Under Varying Test Conditions
F2493 Specification for P225/60R16 97S Radial Standard Reference Test Tire
2.2 Other Standards:
3
The European Tyre and Rim Technical Organisation Standards Manual
4
The Japan Automobile Tyre Manufacturers Association ManualAssociation, Inc. Yearbook
5
The Tire & Rim Association Association, Inc. Year Book
Tire Information Service Bulletin, Vol. 37/No. 3 RMA Rubber Manufacturers Association (RMA) Definition for Passenger and
6
Light Truck Tires for Use in Severe Snow Conditions
1
This test method is under the jurisdiction of Committee F09 on Tires and is the direct responsibility of Subcommittee F09.20 on Vehicular Testing.
Current edition approved Nov. 1, 2012Jan. 1, 2016. Published December 2012February 2016. Originally approved in 1997. Last previous edition approved in 20062012
as F1805 – 06.F1805 – 12. DOI: 10.1520/F1805-12.10.1520/F1805-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from theThe European Tyre and Rim Technical Organisation, AV. Brugmann, 32/2, B-106078/80, rue Defacqz B-1060, Brussels, Belgium.
4
Available from theThe Japan Automobile Tyre Manufacturers Association, Inc., No. 33 Mori Bldg. 8th Floor, 3-8-21 Toranomon, Minato-ku, Toyko, Japan 105- 0001.
5
Available from theThe Tire & Rim Association, Inc., 175 Montrose West Ave., Suite 150, Copley, OH 44321.
6
Available from the Rubber Manufacturers Association, 1400 K Street, N.W., Washington D.C. 20005.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F1805 − 16
3. Terminology
3.1 Definitions:
3.1.1 candidate tire, n—a test tire that is part of a test program. F538
3.1.1.1 Discussion—
The term “candidate object” may be used in the same sense as candidate
...
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