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Obtaining Creep Compliance Parameters Accurately From Static or Cyclic Creep Tests
Univ Florida, Dept Civil & Coastal Engn, Gainesville, FL 32611 USA .ORCID iD: 0000-0003-0889-6078
2005 (English)In: Performance Tests for Hot Mix Asphalt (HMA) Including Fundamental and Empirical Procedures  , 2005, Vol. 2, 177-197 p.Conference paper (Refereed)
Abstract [en]

Obtaining creep compliance parameters that accurately represent the creep response of asphalt mixtures is critical for proper evaluation of the thermal cracking performance, as well as load induced cracking performance of asphalt pavements. A power law, which uses three parameters to describe the creep compliance curve, is commonly used for asphalt mixtures. However, the specific values of the parameters obtained can depend on both the testing and the data interpretation methods used. Different testing methods (for example, static versus cyclic creep) offer different advantages and disadvantages related to complexity in testing, as well as in the sensitivity of the data obtained from each test to the compliance parameters of interest. In general, cyclic creep tests provide greater sensitivity and accuracy at shorter loading times, while static creep tests are more accurate and reliable for the determination of the long-term creep response..

Place, publisher, year, edition, pages
2005. Vol. 2, 177-197 p.
National Category
Infrastructure Engineering
URN: urn:nbn:se:kth:diva-84004ISI: 000240768200012OAI: diva2:499072
Symposium on Performance of Hot Mix Asphalt (HMA), Tampa, FL, DEC 09-10, 2003
TSC import 1690 2012-02-10. QC 20120229Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-02-29Bibliographically approved

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Birgisson, Björn
Infrastructure Engineering

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