Actions for The Pressure Aging Vessel (PAV) : A Test to Simulate Rheological Changes Due to Field Aging

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The Pressure Aging Vessel (PAV) : A Test to Simulate Rheological Changes Due to Field Aging / HU. Bahia, DA. Anderson

Conference Author
Physical Properties of Asphalt Cement Binders (1993 : Dallas/Fort Worth Airport, TX)
Physical Description
1 online resource (22 pages) : illustrations, figures, tables
Additional Creators
Bahia, HU., Anderson, DA., American Society for Testing and Materials, and ASTM International
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Summary
The Pressure Aging Vessel (PAV)is an aging procedure proposed by the Strategic Highway Research Project (SHRP) to simulate long-term field oxidative aging of asphalt binders. The development of the PAV included evaluation of the factors affecting the PAV procedure as well as validation of the PAV as a procedure to mimic field aging of binders. In this paper the research done to evaluate the factors affecting the aging in the PAV and the selection of the operational factors is described. The changes in rheological properties that result from the PAV procedure are also presented and compared with changes resulting from field aging. The results indicate that temperature can be used effectively to accelerate aging in the PAV and that film thickness and time are important factors that need to be carefully controlled. The evaluation of the rheological changes indicates that aging changes the rheological type of asphalts by changing the shape of the master rheological curve while the temperature dependency, as measured by the time-temperature shift function, does not appear to change significantly as a result of aging. The results indicate that the PAV can be successfully used to mimic rheological changes that result from field aging.
Dates of Publication and/or Sequential Designation
Volume 1995, Issue 1241 (January 1995)
Subject(s)
Other Subject(s)
ISBN
9780803153035 (e-ISBN)
9780803119888
0803119887
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 34.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1995. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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