Numerical modelling of strain hardening fibre-reinforced composites

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dc.contributor.authorVorel J.
dc.contributor.authorBoshoff W.P.
dc.date.accessioned2012-05-17T09:00:12Z
dc.date.available2012-05-17T09:00:12Z
dc.date.issued2010
dc.description.abstractConventional concrete suffers in most cases from insufficient tensile strength and ductility. Strain Hardening Cement-based Composite is a type of High Performance Concrete (HPC) that was engineered to overcome these weaknesses. In comparison to conventionally reinforced concrete, SHCC demonstrates fine, multiple cracking under tensile loading which can be seen as a noticeable advantage from a durability point of view. The primary objective of the presented research is to develop a constitutive model that can be used to simulate structural components with SHCC under different types of loading. In particular, the constitutive model must be efficient and robust for large-scale simulations while restricted number of material parameters is needed. For the modelling of specific behaviour in tension, the application of classical material models used for quasi-brittle materials is not straightforward. The proposed numerical model is based on a rotating crack assumption to capture specific characteristics of SHCC, i.e. the strain hardening and softening, the multiple cracking and the crack localization. The multiple orthogonal crack patterns are allowed which is in accordance with the observations presented in Suryanto et al. (2008). The accuracy of the developed model is investigated by the comparison of the numerical results with experimental data. © 2010 Taylor & Francis Group, London.
dc.identifier.citationAdvances in Cement-Based Materials - Proceedings of the International Conference on Advanced Concrete Materials
dc.identifier.citation271
dc.identifier.citation278
dc.identifier.urihttp://hdl.handle.net/10019.1/21059
dc.subjectCement-based composites
dc.subjectConventional concrete
dc.subjectCrack localization
dc.subjectDeveloped model
dc.subjectExperimental data
dc.subjectFibre reinforced composites
dc.subjectLarge scale simulations
dc.subjectMaterial models
dc.subjectMaterial parameter
dc.subjectMultiple cracking
dc.subjectNumerical modelling
dc.subjectNumerical results
dc.subjectOrthogonal cracks
dc.subjectPrimary objective
dc.subjectQuasibrittle material
dc.subjectStructural component
dc.subjectTensile loading
dc.subjectComputer simulation
dc.subjectConstitutive models
dc.subjectCracks
dc.subjectHigh performance concrete
dc.subjectLoading
dc.subjectNumerical models
dc.subjectReinforced concrete
dc.subjectStrain hardening
dc.titleNumerical modelling of strain hardening fibre-reinforced composites
dc.typeConference Paper
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