ASTM-E1890 Standard Guide for Validating New Area Reference Skid Measurement Systems and Equipment

ASTM-E1890 - 2011 R15 EDITION - CURRENT
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Standard Guide for Validating New Area Reference Skid Measurement Systems and Equipment
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Scope

1.1 This guide covers validating area reference skid measurement systems (ARSMS) and related equipment. These systems have been used since 1976 to evaluate and correlate Test Method E274 skid measurement systems used primarily as a pavement management tool by state Departments of Transportation. Also, this guide provides guidelines for the revalidation process following the replacement of components within an ARSMS.

1.2 This guide is offered as a process to identify and quantify the variables that affect system performance, to minimize the effect of these variables, and to provide a method of validating a new ARSMS to replace an existing ARSMS that has provided quality correlation data for a very long time.

1.3 The values stated in inch-pound units are to be regarded as the standard since the ARSMS will be compared with state departments of transportation systems that all currently use inch-pound units. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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.

Significance and Use

5.1 Friction characteristics of traveled surfaces are monitored by skid measurement systems, and the operating procedure for the use of these systems is Test Method E274. However, dynamic measurement differences between these systems, that comply with the requirements of Test Method E274, require that each of these systems be correlated to each other system. The most effective approach to accomplish this correlation is to compare each system to a singular, highly accurate system, or to a very limited number (two or three) of systems, in a controlled environment. The ARSMS's were designed to be such systems. Fig. 1 depicts a skid measurement system and shows the general location of the major components.

5.2 This guide defines the process of ensuring that the ARSMS's continue to accomplish their intended purpose.

Keywords

correlation; load cell; skid measurement systems; skid number; transducer calibration; tires; water;; ICS Number Code 93.080.10 (Road construction)

To find similar documents by ASTM Volume:

04.03 (Road and Paving Materials; Vehicle-Pavement Systems)

To find similar documents by classification:

93.080.10 (Road construction Including road maintenance equipment and road construction equipment)

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Document Number

ASTM-E1890-11(2015)

Revision Level

2011 R15 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

Dec. 15, 2015

Document Type

Guide

Page Count

5 pages

Committee Number

E17.21