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Ana Yanakieva

Institute of Mechanics, Bulgarian Academy of Science (BG)

Recent publications
1.  Mróz Z., Yanakieva A., Valeva V., Ivanova J., Analytical pullout analysis for carbon nanotube-cement composites under static loading, Comptes rendus de l'Académie bulgare des Sciences, ISSN: 1310-1331, Vol.66, No.3, pp.431-438, 2013

Abstract:
The paper presents analytical pullout analysis for Carbon nanotube-cement composite based on Shear-lag assumptions. The composites under study are cement matrix composites reinforced by means of unidirectional Carbon nanotubes (CNT). The interface is assumed to be a material line with constitutive behaviour characterized by a relation between sliding stress and relative sliding displacement. Frictional sliding at the interface region is described by three different interface models: (i) Constant-τ model; (ii) Linear slip-hardening model and, (iii) Linear slip-softening model. The pullout analysis is performed considering static loading. The numerical examples are performed for concrete geometrical and material characteristics for CNT/cement composite. The obtained results are illustrated by figures and discussed.

Keywords:
Carbon nanotube cement reinforced composites, Interface sliding models, Pullout analysis, Shear-lag model, Static loading

Affiliations:
Mróz Z. - IPPT PAN
Yanakieva A. - Institute of Mechanics, Bulgarian Academy of Science (BG)
Valeva V. - Institute of Mechanics, Bulgarian Academy of Science (BG)
Ivanova J. - Institute of Mechanics, Bulgarian Academy of Science (BG)

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