Paper Title:
Comparison of Dynamic and Fatigue Properties of Virgin and Recycled Asphalt Mixture
  Abstract

Recycled asphalt mixture is a multiphase system, which consists of sized recycled asphalt pavement (RAP), new asphalt, and/or recycling agents and new aggregates. RAP percentages may have influences on performance of total recycled asphalt mixture. The performance of asphalt mixture is significantly affected by its dynamic response and fatigue performance (crack formation and propagation). Dynamic and fatigue properties of virgin and recycled asphalt mixture are investigated based on Indirect Tensile Test (ITT). It is demonstrated in test results that recycled asphalt mixture is stiffer and more elastic-like than virgin ones with RAP added. The number of load cycles to fatigue failure expected of recycled asphalt mixture is a bit decrease compared with that of virgin ones in low stress level. In addition, high fatigue resistance of recycled asphalt mixture is observed in this test when stress level is high.

  Info
Periodical
Key Engineering Materials (Volumes 348-349)
Edited by
J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel
Pages
885-888
DOI
10.4028/www.scientific.net/KEM.348-349.885
Citation
S. P. Wu, J. Qiu, Z. H. Shui, H. J. Wang, "Comparison of Dynamic and Fatigue Properties of Virgin and Recycled Asphalt Mixture", Key Engineering Materials, Vols. 348-349, pp. 885-888, 2007
Online since
September 2007
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Price
$32.00
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