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ASTM-E1927:2007 Edition

ASTM-E1927:2007 Edition

$40.63

E1927-98(2007) Standard Guide for Conducting Subjective Pavement Ride Quality Ratings

Published By Publication Date Number of Pages
ASTM 2007 8
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1.1 This guide covers a procedure for obtaining subjective numerical ride ratings for a group of representative highway pavement sections having a broad spectrum of physical characteristics.

1.2 The intent of this guide is to describe a procedure for generating a set of comparatively scaled ride ratings, subjectively derived, for a subgroup of pavement sections having a ride quality distribution approximating the general population of highways of interest. This set will provide statistical estimates of the average subjective ride ratings which would be obtained for the same group of pavement sections if the entire population of users could be interrogated.

1.3 For the data to be a reasonable representation of the average ride quality judgments of the total highway user community for the total population of highway pavements, certain sampling theory precepts must be observed; The size of the rating panel, the selection of its members from the user community, the method of quantifying the individual judgments, as well as the selection of the sample pavement sections are all important areas to be considered.

1.4 An important use of the resulting ride quality data would be to determine the ability of various hypothesized deterministic functions of physical parameters of the pavement samples, such as measured longitudinal profile, and so forth, to provide an estimate of subjective ride quality judgments.

1.5 This guide is based on guidelines described in Appendix F of NCHRP Report 275, and in Appendix E of NCHRP Report 308.

1.6 The values stated in both inch-pound and SI units are to be regarded separately as the standard. The units given in parentheses are for information only.

1.7 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Guide
2 Significance and Use
Apparatus
Procedure
TABLE 1
3 Report
Statement on Precision
Physical Parameters
Keywords
X1. GUIDELINES FOR PAVEMENT RIDEABILITY STUDIES
X1.1
X1.2
X1.3 Selection of Test Sections and Route Formation
4 TABLE X1.1
5 X1.4 Panel Selection
X1.5 Procedures for Conducting the Panel Rating Study
6 FIG. X1.1
7 X1.6 Data Reduction
X1.7 Physical Measurements
X2. PANEL INSTRUCTIONS AND RATING FORM
X2.1
X2.2 PURPOSE
X2.3 OBJECT OF THE STUDY
X2.4 MAKING YOUR RATINGS OF RIDE QUALITY
X2.5 DEFINITIONS OF ENDPOINTS
X2.6 INDICATING THE NEED FOR IMPROVEMENT
X2.7 PROCEDURE FOR SURVEY
8 X2.8 SPECIAL INSTRUCTIONS

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