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Title:

MATERIAL PROPERTIES OF ZERO-MAINTENANCE FLEXIBLE PAVEMENT

Accession Number:

00322990

Record Type:

Component

Availability:

Transportation Research Board

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Order URL: http://worldcat.org/issn/03611981

Abstract:

This study involved models selected as suitable for the prediction of important distresses that have occurred historically in flexible pavements and the determination of material properties that will provide 20 years of satisfactory performance without maintenance and an additional 10-20 years of satisfactory performance with normal maintenance. To accomplish the overall objective, results were used from a previous study that identified the most important distresses occurring in flexible pavements, identified the material properties that affect those distresses, and selected mathematical models to predict those distresses by using the identified material properties. This paper presents that range of values selected for each of the material properties and discusses the distressses predicted by using the selected mathematical models. The distresses selected for study included fatigue cracking, rutting, and low-temperature cracking. The mathematical models selected for the analysis were VESYS for modeling fatigue cracking and rutting and the Shahin- McCullough model for low-temperature cracking. Input values were selected for each of these models, and ranges of the material properties affecting distress were established. The results for each study have been included and discussed, and practical criteria have been cited to evaluate the level of material properties required to provide zero-maintenance performance. The effects of each set of material properties used are identified, and the trade-offs of the affects of material properties on the distresses are discussed. (Author)

Supplemental Notes:

This paper appeared in Transportation Research Record No. 755: Evaluation and Analysis of Flexible Pavement Components Properties.

Monograph Accession #:

01411578

Authors:

Roberts, F L
Kennedy, T W

Pagination:

p. 1-7

Publication Date:

1980

Serial:

Transportation Research Record

Issue Number: 755
Publisher: Transportation Research Board
ISSN: 0361-1981

Features:

Figures (3) ; References (30) ; Tables (3)

Uncontrolled Terms:

Subject Areas:

Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways

Files:

TRIS, TRB

Last Modified:

Sep 23 2013 9:16AM

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