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Title:

DEVELOPMENT OF CRITERIA TO EVALUATE UNIAXIAL CREEP DATA AND ASPHALT CONCRETE PERMANENT DEFORMATION POTENTIAL

Accession Number:

00646106

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309055652

Abstract:

The uniaxial creep test is effective in identifying the sensitivity of asphalt concrete mixtures to permanent deformation or rutting. The creep test should be performed at a realistic testing temperature and at a stress level approximating field stress conditions. The creep test is shown to be sensitive to mixture variables including asphalt grade, binder content, aggregate type, air void content, temperature of testing, and testing stress state. Three parameters from the creep test are identified as effective indicators of mixture permanent deformation sensitivity: total strain at 1 hr of loading; the slope of the steady state portion of the plot of total strain versus time of loading; and the creep stiffness. In addition to the creep test parameters, the sum of the total resilient strain from the dynamic compressive modulus test, ASTM D 3495, and the total strain at 1 hr of loading should be less than one-half of the strain at failure recorded in the unconfined compression test performed in accordance with the instructions in NCHRP Report 338, which explains the Asphalt Aggregate Mixture Analysis System.

Supplemental Notes:

This paper appears in Transportation Research Record No. 1417, Asphalt Concrete Mixtures. 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 concrete mixtures

Monograph Accession #:

01398728

Language:

English

Authors:

Little, Dallas N
Button, Joe W
Youssef, Hisham

Pagination:

p. 49-57

Publication Date:

1993

Serial:

Transportation Research Record

Issue Number: 1417
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309055652

Features:

Figures (2) ; References (14) ; Tables (6)

Uncontrolled Terms:

Asphalt grading; Loading

Old TRIS Terms:

Subject Areas:

Geotechnology; Highways; Materials; I31: Bituminous Binders and Materials

Files:

TRIS, TRB

Created Date:

Apr 18 1994 12:00AM

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