Outubro 2014 vol. 1 num. 1 - 13th International Symposium on Multiscale, Multifunctional and Functionally Graded Materials

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Multiscale Characterization of Strain-Hardening Cementitious Composites

Bolander, John E. ; Kang, Jingu ; Pan, Yaming ;

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This research involves the multiscale characterization of strain-hardening cementitious composites under tensile loading. The sensitivity of cracking behavior to ber dispersion is studied using three-dimensional lattice models, in which each ber is explicitly represented. It is shown that the nonlocal modeling of ber bridging forces is essential for obtaining realistic patterns of crack development. Crack count and crack size are simulated for progressively larger levels of tensile strain. The in uence of ber dispersion is clearly evident: regions with signi cantly fewer bers act as defects, reducing strength and strain capacity of the material.

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Palavras-chave: strain-hardening, fracture, fiber debonding, lattice modeling, multiscale characterization,

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DOI: 10.5151/matsci-mmfgm-126-f

Referências bibliográficas
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Como citar:

Bolander, John E.; Kang, Jingu; Pan, Yaming; "Multiscale Characterization of Strain-Hardening Cementitious Composites", p. 66-69 . In: Proceedings of the 13th International Symposium on Multiscale, Multifunctional and Functionally Graded Materials [=Blucher Material Science Proceedings, v.1, n.1]. São Paulo: Blucher, 2014.
ISSN 2358-9337, DOI 10.5151/matsci-mmfgm-126-f

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