ASTM F2508-2013 Standard Practice for Validation Calibration and Certification of Walkway Tribometers Using Reference Surfaces《用基准面验证 校准和认证通道摩擦计的标准操作规程》.pdf
《ASTM F2508-2013 Standard Practice for Validation Calibration and Certification of Walkway Tribometers Using Reference Surfaces《用基准面验证 校准和认证通道摩擦计的标准操作规程》.pdf》由会员分享,可在线阅读,更多相关《ASTM F2508-2013 Standard Practice for Validation Calibration and Certification of Walkway Tribometers Using Reference Surfaces《用基准面验证 校准和认证通道摩擦计的标准操作规程》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F2508 12aF2508 13 An American National StandardStandard Practice forValidation, Calibration, and Certification of WalkwayTribometers Using Reference Surfaces1This standard is issued under the fixed designation F2508; the number immediately following the designation indicates the year of
2、original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice is intended to establish the procedures for v
3、alidation, calibration, and certification of walkway tribometers.1.2 This practice provides a walkway tribometer supplier with a procedure and suite of reference surfaces to validate hiswalkway tribometer by properly ranking and differentiating the surfaces.1.3 This practice provides the user of a w
4、alkway tribometer with a procedure and suite of reference surfaces to test calibrationof his instrument.1.4 This practice provides a procedure through which an entity may certify a walkway tribometer model, signifying that thewalkway tribometer model has a completed and documented validation and int
5、erlaboratory study.1.5 This practice describes the necessary materials, specifications, and the cleaning process for reference materials, as well asthe requirements for the validation of a suppliers walkway tribometer and calibration of a users walkway tribometer.1.6 This practice applies to walkway
6、 tribometers without reference to the nature of the scale of the readings produced by them.The scale used in the reports of validation and calibration must be the same, and are to be those of the instrument or defined forthe instrument.1.7 The values stated in SI units are to be regarded as standard
7、. The values given in parentheses are for information only andare not considered standard.1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practic
8、es and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D1349 Practice for RubberStandard Temperatures for TestingD3244 Practice for Utilization of Test Data to Determine Conformance with SpecificationsE691 Practice for Conducting an Interl
9、aboratory Study to Determine the Precision of a Test MethodF1646 Terminology Relating to Safety and Traction for Footwear3. Terminology3.1 For terms used in this practice not identified herein, refer to Terminology F1646.3.2 Definitions:3.1.1 For terms used in this practice not identified herein, re
10、fer to Terminology F1646.3.2.1 paired t-test, na test of statistical significance based on the use of students t-distribution and used to compare twosample means (see Appendix X2).3.2.2 supplier, nany individual, agent, company, manufacturer, or organization responsible for the walkway tribometer pr
11、iorto receipt by the user. D32441 This practice is under the jurisdiction of ASTM Committee F13 on Pedestrian/Walkway Safety and Footwear and is the direct responsibility of Subcommittee F13.10on Traction.Current edition approved Nov. 1, 2012April 1, 2013. Published December 2012April 2013. Original
12、ly approved in 2011. Last previous edition approved in 2012 as F2508 12.12a. DOI: 10.1520/F2508-12A.10.1520/F2508-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to
13、the standards Document Summary page on the ASTM website.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. Becauseit may not be technically possible to adequately depict all changes
14、accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United
15、 States13.2.3 test foot, nshoe bottom material or surrogate mounted on the walkway tribometer that comes into contact with thesurface being tested.3.2.4 walkway tribometer, nany apparatus used to measure the frictional forces acting at an interface between a walkwaysurface and shoe material.3.2.4.1
16、DiscussionA judgement of the adequacy of these frictional forces acting on a walkway surface/shoe surface interface is the basis for anassessment of slip properties relative to human locomotion.3.3 Definitions of Terms Specific to This Standard:3.3.1 calibration, nthe set of operations that establis
17、hes, under specified conditions, the relationship between the valuesobtained by a walkway tribometer and the corresponding supplier reference values.3.3.2 certification test method, na specific test method that is used for all walkway tribometer operational tasks in this practiceperformed as part of
18、 a certification.3.3.3 laboratory, na combination of one individual, uniquely identifiable walkway tribometer, one individual, uniquelyidentifiable test foot, and one operator, none of which (or whom) may be reused for the same purpose in the interlaboratory studybeing conducted.3.3.4 reference surf
19、aces (RSs), nspecified materials, identified in Section 7, that have an experimentally demonstrated slipproperties for a select population of pedestrians and serve as references for walkway tribometer measurements.3.3.5 validation, nthe set of operations that establishes, under specified conditions,
20、 the proper ranking and differentiation ofreference surfaces by a walkway tribometer.4. Summary of Practice4.1 This practice establishes a procedure to: (1) validate walkway tribometer models against a human gait-based referencesystem, (2) calibrate each individual walkway tribometers of a validated
21、 model against published suppliers reference values (asdefined in 9.1, Eq 4), and (3) certify that the tribometer model has completed a documented validation and interlaboratory study.4.2 This practice provides for validation and calibration of walkway tribometers as a means of verifying their relat
22、ionship toreference surfaces and verifying a particular device continues to produce consistent results. Certification, if conducted, formallydocuments the methods, data, and results of a validation and interlaboratory study.4.3 The method of ranking walkway surface slip properties using a limited po
23、pulation of ambulating human subjects issupported by a peer-reviewed study.34.4 Validation consists of a series of 40 tests on each reference surface from this practice. A walkway tribometer model isconsidered valid if it ranks the four reference surfaces from this practice in the proper order with
24、statistically significantdifferentiation between results obtained for each surface. Validation is intended to be accomplished for each walkway tribometermodel when it is initially introduced and is to be accomplished by or on behalf of the supplier and made available to each user.4.5 Calibration for
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