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Title:

EFFECTS OF TEST PARAMETERS ON RESILIENT MODULUS OF LABORATORY-COMPACTED ASPHALT CONCRETE SPECIMENS

Accession Number:

00625407

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309052173

Abstract:

The resilient modulus of a laboratory-compacted asphalt concrete specimen is dependent on many factors, including the test system used, the test operator, the method of compaction, the level of compaction, and parameters or conditions in the test procedure such as temperature, load frequency, load duration, and load-induced diametral strain level. The results of a parametric study involving resilient modulus testing of two dense-graded hot-mix asphalt concrete mixtures compacted to two levels of air voids are presented. Three replicated test specimens were prepared for each mix at each air void level using the Marshall method of compaction. The concern was to select one combination of test temperature, load frequency, load duration, and induced diametral strain that would lead to repeatable modulus results among the replicated specimens within each group while being sensitive enough to detect differences between the two mix types and levels of air void contents of similar mix types. A pneumatic test system was used to measure resilient modulus. On the basis of a statistical analysis of the test results, it was concluded that the test conditions consisting of 0.1-sec load duration, 0.33 Hz load frequency, 50 to 75 x 10 to the -4 power percent induced strain (50 to 75 microstrain) at 60 deg F would best satisfy the repeatability criteria.

Supplemental Notes:

This paper appears in Transportation Research Record No. 1353, Asphalt Mixture Design. 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 Title:

Asphalt mixture design

Monograph Accession #:

01405031

Language:

English

Authors:

Boudreau, Richard L
Hicks, R Gary
Furber, Arthur M

Pagination:

p. 46-52

Publication Date:

1992

Serial:

Transportation Research Record

Issue Number: 1353
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309052173

Features:

Figures (8) ; Photos (1) ; References (6) ; Tables (7)

Old TRIS Terms:

Subject Areas:

Data and Information Technology; Highways; Materials; I31: Bituminous Binders and Materials

Files:

TRIS, TRB, ATRI

Created Date:

Nov 25 1993 12:00AM

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