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Title:

REPEATED-LOAD INDIRECT TENSILE FATIGUE CHARACTERISTICS OF ASPHALT MIXTURES

Accession Number:

00148654

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309025648

Abstract:

The determination of the fatigue characteristics of pavement materials is necessary for the design and evaluation of highway and airport pavements. This paper summarizes the findings of a study in which the controlled-stress, repeated-load indirect tensile test was used to investigate the fatigue characteristics of asphalt mixtures. The logarithmic relationships between fatigue life and both applied stress and initial mixture strain were evaluated and found to be linear. In addition, linear relationships were found between n sub 1 and the logarithm of K sub 1 for the strain-fatigue life relationships and between n sub 2 and the logarithm of K sub 2 for the stress-fatigue life relationships. The effects on fatigue life produced by load, asphalt content, aggregate type, and testing temperature are discussed. Fatigue life could not be estimated from only applied stress or stress difference; however, equations relating life to both the initial mixture strain and the stress-strength ratio were developed. From this study it was concluded that the repeated-load indirect tensile test is suitable for evaluating the fatigue characteristics of asphalt mixtures.

Supplemental Notes:

This report may be helpful to those interested in the design of pavements for cargo terminals. Publication of this paper sponsored by Committee on Characteristics of Bituminous Paving Mixtures to Meet Structural Requirements. 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.

Monograph Accession #:

01411128

Authors:

Adedimila, Adedare S
Kennedy, Thomas W

Pagination:

pp 25-33

Publication Date:

1976

Serial:

Transportation Research Record

Issue Number: 595
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309025648

Media Type:

Print

Features:

Figures (14) ; References (11) ; Tables (1)

Old TRIS Terms:

Subject Areas:

Aviation; Highways; Marine Transportation; Materials; Pavements; Terminals and Facilities

Files:

TRIS, TRB

Created Date:

Mar 30 1977 12:00AM

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