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Title:

ASPHALT-RUBBER STRESS-ABSORBING MEMBRANES: FIELD PERFORMANCE AND STATE OF THE ART

Accession Number:

00148658

Record Type:

Component

Availability:

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

Abstract:

Pavement cracking and subsequent reflection through overlays are directly associated with pavement deterioration and maintenance problems. During the early 1960s a process was developed using a composition of 25 percent ground tire rubber reacted with 75 percent hot asphalt. This process has been in full-scale field projects in the form of stress-absorbing seal coats and interlayers and as waterproof membranes. Results from approximately 3200 lane-km (2000 lane-miles) of construction clearly show that this basic elastomeric material performs as a waterproof membrane and has a high capacity to absorb direct tensile, flexural, and shearing stresses. The paper reviews the performance of the asphalt-rubber seal coats placed 1967 and the present state of the art of design and construction. It further reviews the potentials of stress-absorbing membranes placed to (a) prevent reflective cracking of overlays placed over both flexible and rigid pavements; (b) provide bridge deck protection; (c) control differential movement of existing pavements constructed over expansive clays; (d) provide economical construction for low-volume roadways; and (e) provide improved elastomeric sealing of cracks and joints.

Supplemental Notes:

Publication of this paper sponsored by Committee on Characteristics of Nonbituminous Components of Bituminous Paving 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 Accession #:

01411128

Authors:

Morris, Gene R
McDonald, Charles H

Pagination:

pp 52-58

Publication Date:

1976

Serial:

Transportation Research Record

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

ISBN:

0309025648

Media Type:

Print

Features:

Figures (16) ; Photos; References (14)

Old TRIS Terms:

Subject Areas:

Highways; Materials

Files:

TRIS, TRB

Created Date:

Mar 30 1977 12:00AM

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