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Prediction of the fracture performance of defect-free steel bars for civil engineering applications using finite element simulation

Lookup NU author(s): Kazeem Adewole, Professor Steve Bull

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Abstract

The size of bars for civil engineering applications makes it impossible for traditional classical fracture mechanics to be employed to predict their fracture performance. This paper presents finite element simulations of the fracture performance of bars conducted with micromechanical fracture mechanics approach. Appropriate element size, orientation and aspect ratio were found to be essential for predicting the fracture shape of bars. It is demonstrated that finite element simulation with micromechanical-based phenomenological shear failure model can predict the fracture performance of defect-free bars and thus serves as an alternative to using non-standardised classical fracture mechanics specimens for bars' fracture performance prediction. (C) 2012 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Adewole KK, Bull SJ

Publication type: Article

Publication status: Published

Journal: Construction and Building Materials

Year: 2013

Volume: 41

Pages: 9-14

Print publication date: 01/04/2013

Online publication date: 26/12/2013

Acceptance date: 21/11/2012

ISSN (print): 0950-0618

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.conbuildmat.2012.11.089

DOI: 10.1016/j.conbuildmat.2012.11.089


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