00642396

Component

http://onlinepubs.trb.org...trr/1993/1410/1410-008.pdf

https://scholar.google.co...kins&publication_year=1993

When looking at the accuracy of profilometers, most agencies are mainly concerned with hardware precision rather than the errors caused by the human operators or environmental factors. The Wyoming Transportation Department and the University of Wyoming conducted a joint research project to determine the effect of these two factors on the accuracy and repeatability of roughness and rut depth measurements. The Wyoming Transportation Department's road profiler, which is a duplicate of the South Dakota road profiler, was used in this study. A total of 36 test sections were tested by three different operators to determine the effect of human factors on measurement repeatability. In addition, a concrete test section was monitored and tested several times in the 1991 testing season to examine the effect of various combinations of environmental factors on the measured roughness. The data collected were then tabulated and statistically analyzed. The design of the experiment is summarized, the data that were collected are described, and specific conclusions with regard to the effect of human and environmental factors on the accuracy of roughness and rut depth measurements are discussed.

This paper appears in Transportation Research Record No. 1410, Pavement Monitoring and Evaluation. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01403259

English

0000-0002-9241-1792

p. 59-66

1993

Transportation Research Record

0309055571

Figures (4) ; References (6) ; Tables (7)

Accuracy; Environmental impacts; Human factors; Profilometers; Roughness; Rutting; Statistical analysis

Repeatability; Rut depth

Data and Information Technology; Environment; Highways; Pavements; Safety and Human Factors; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Feb 18 1994 12:00AM

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