A case study: Assessing the sensitivity of the coefficient of thermal contraction of AC mixtures on thermal crack prediction

Hao Yin, Ghassan R. Chehab, Shelley Marie Stoffels

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Thermal cracking results in both structural and functional problems in asphalt concrete (AC) pavements. A critical parameter affecting the buildup of thermal stresses that ultimately lead to cracking in AC pavements is the coefficient of thermal contraction (CTC) of the AC mixture. The objective of this study is to assess the sensitivity of CTC of AC mixture on thermal cracking. Values of CTC of AC mixtures were identified through literature review, while other relevant data needed for thermal cracking prediction were obtained for three AC mixtures from the new Mechanistic-Empirical Pavement Design Guide (MEPDG) documentation. Finally, the amount of thermal cracking, in terms of length and percent damage, was predicted using the new (MEPDG) software. Results showed that the sensitivity of CTC of AC mixtures on thermal cracking is highly material dependent. The greatest sensitivity was observed with medium strength and ductile AC mixture. Copyright ASCE 2006.

Original languageEnglish (US)
Title of host publicationAsphalt Concrete
Subtitle of host publicationSimulation, Modeling, and Experimental Characterization - Proc. of the Symposium on Mechanics of Flexible Pavements, part of the 2005 Joint ASME/ASCE/SES Conf. on Mech. and Mater.
Pages115-123
Number of pages9
Edition146
DOIs
StatePublished - Dec 1 2006
EventSymposium on Mechanics of Flexible Pavements, part of the 2005 Joint ASME/ASCE/SES Conference on Mechanics and Materials - Baton Rouge, LA, United States
Duration: Jun 1 2005Jun 3 2005

Publication series

NameGeotechnical Special Publication
Number146
ISSN (Print)0895-0563

Other

OtherSymposium on Mechanics of Flexible Pavements, part of the 2005 Joint ASME/ASCE/SES Conference on Mechanics and Materials
CountryUnited States
CityBaton Rouge, LA
Period6/1/056/3/05

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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    Yin, H., Chehab, G. R., & Stoffels, S. M. (2006). A case study: Assessing the sensitivity of the coefficient of thermal contraction of AC mixtures on thermal crack prediction. In Asphalt Concrete: Simulation, Modeling, and Experimental Characterization - Proc. of the Symposium on Mechanics of Flexible Pavements, part of the 2005 Joint ASME/ASCE/SES Conf. on Mech. and Mater. (146 ed., pp. 115-123). (Geotechnical Special Publication; No. 146). https://doi.org/10.1061/40825(185)12