Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation

Jamilla Emi Sudo Lutif Teixeira, Yong-Rak Kim, Flavio V. Souza, David H. Allen, Dallas N. Little

Research output: Chapter in Book/Report/Conference proceedingChapter

10 Citations (Scopus)

Abstract

The study reported in this paper presented a multiscale computational model, along with its validation and calibration, to predict the damage-dependent behavior of asphalt mixtures subjected to viscoelastic deformation and cracking. Asphalt mixture is a classic example of a multiphase composite that represents different lengths of scales. The understanding of the mechanical behavior of asphaltic materials has been a challenge to the pavement mechanics community because of the multiple complexities involved: heterogeneity, anisotropy, nonlinear inelasticity, and damage growth in multiple forms. To account for (his issue in an accurate and efficient way, the study reported here presented a two-way linked multiscale computational modeling approach. The two-way linked multiscale model had its basis in continuum thermomechanics and was implemented with a finite element formulation. With the unique multiscale linking between scales and the use of the finite element technique, this model could take into account the effects of material heterogeneity, viscoelasticity, and anisotropic damage growth in small-scale mixtures on the overall performance of larger-scale structures. Along with the brief theoretical model formulation, the multiscale model was validated and calibrated through the comparison of the numerical, analytical, and experimental results of three-point bending beam tests of asphalt mixture samples that involved viscoelasticity, mixture heterogeneity, and cohesive zone fracture.

Original languageEnglish (US)
Title of host publicationTransportation Research Record
PublisherNational Research Council
Pages136-145
Number of pages10
ISBN (Electronic)9780309295475
DOIs
StatePublished - Jan 1 2014

Publication series

NameTransportation Research Record
Volume2447
ISSN (Print)0361-1981

Fingerprint

Asphalt mixtures
Viscoelasticity
Pavements
Mechanics
Anisotropy
Calibration
Composite materials

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanical Engineering

Cite this

Teixeira, J. E. S. L., Kim, Y-R., Souza, F. V., Allen, D. H., & Little, D. N. (2014). Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation. In Transportation Research Record (pp. 136-145). (Transportation Research Record; Vol. 2447). National Research Council. https://doi.org/10.3141/2447-15

Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation. / Teixeira, Jamilla Emi Sudo Lutif; Kim, Yong-Rak; Souza, Flavio V.; Allen, David H.; Little, Dallas N.

Transportation Research Record. National Research Council, 2014. p. 136-145 (Transportation Research Record; Vol. 2447).

Research output: Chapter in Book/Report/Conference proceedingChapter

Teixeira, JESL, Kim, Y-R, Souza, FV, Allen, DH & Little, DN 2014, Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation. in Transportation Research Record. Transportation Research Record, vol. 2447, National Research Council, pp. 136-145. https://doi.org/10.3141/2447-15
Teixeira JESL, Kim Y-R, Souza FV, Allen DH, Little DN. Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation. In Transportation Research Record. National Research Council. 2014. p. 136-145. (Transportation Research Record). https://doi.org/10.3141/2447-15
Teixeira, Jamilla Emi Sudo Lutif ; Kim, Yong-Rak ; Souza, Flavio V. ; Allen, David H. ; Little, Dallas N. / Multiscale model for asphalt mixtures subjected to cracking and viscoelastic deformation. Transportation Research Record. National Research Council, 2014. pp. 136-145 (Transportation Research Record).
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