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Title:

IMPROVING DURABILITY OF OPEN-GRADED FRICTION COURSES

Accession Number:

00600664

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309050162

Abstract:

Open-graded friction course mixtures were evaluated in the laboratory to determine the potential for stripping. A boiling test was used to measure the potential for stripping in mixtures containing three asphalts used in New Mexico with and without both liquid antistripping additives and hydrated lime. Mixtures were also evaluated with the same three binders after modification with a polymer. All testing was conducted on mixtures after the optimum binder content was determined by using the open-graded friction course mix design procedure described by FHWA. Results of this study indicate that optimum asphalt content of open-graded friction course mixtures varies depending on the asphalt, antistripping agent type, and quantity and whether the binder is polymer modified. Stripping potential as measured by the Texas Boiling Test was significantly reduced after addition of antistripping agents to the asphalt or aggregate and after polymer modification of the binders.

Supplemental Notes:

This paper appears in Transportation Research Record No. 1259, Chip Seals, Friction Courses, and Asphalt Pavement Rutting 1990.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 #:

01410821

Authors:

Shuler, Scott
Hanson, Douglas J

Pagination:

p. 35-41

Publication Date:

1990

Serial:

Transportation Research Record

Issue Number: 1259
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309050162

Features:

Figures (7) ; References (2)

Old TRIS Terms:

Subject Areas:

Highways; Materials; Pavements; I23: Properties of Road Surfaces; I31: Bituminous Binders and Materials

Files:

TRIS, TRB, ATRI

Created Date:

Oct 31 1990 12:00AM

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