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The simulation of inelastic matrix strains in cementitious materials using micromechanical solutions

Davies, Robert ORCID: and Jefferson, Anthony ORCID: 2015. The simulation of inelastic matrix strains in cementitious materials using micromechanical solutions. Engineering Fracture Mechanics 133 10.1016/j.engfracmech.2014.10.010

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A new approach is described for simulating inelastic behaviour in the matrix component of a two-phase composite material. Quasi-isotropic distributed micro-cracking, accompanying volumetric matrix changes, is combined with anisotropic micro-cracking arising from directional loading. An exterior point Eshelby solution is used to obtain stress concentrations adjacent to inclusions. The accuracy of these solutions is assessed using a series of three dimensional finite element analyses. A set of stress/ strain paths are considered to illustrate the model’s characteristics. The model is then applied to the problem of autogenous shrinkage in a cementitious composite, giving results that compare favourably with experimental data.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: Composite; Cementitious; Inelastic strain; Matrix; Micro-cracks
Publisher: Elsevier
ISSN: 0013-7944
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 7 October 2014
Last Modified: 28 Oct 2022 00:18

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