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Title: Modelling localised fracture of reinforced concrete structures
Authors: Liao, F
Huang, Z
Keywords: Computational mechanics;Concrete structures;Localised crack;Extended finite element method
Issue Date: 2016
Publisher: ICE Publishing Ltd
Citation: Proceedings of the Institution of Civil Engineers: Engineering and Computational Mechanics, 169(EM2): pp. 53-69, (2016)
Abstract: This paper presents a robust finite element procedure for simulating the localised fracture of reinforced concrete members. In this new model the concrete member is modelled as an assembly of plain concrete, reinforcing steel bar and bond-link elements. The 4-node quadrilateral elements are used for 2D modelling of plain concrete elements, in which the extended finite element method is adopted to simulate the formation and growth of individual cracks. The reinforcing steel bars are modelled by using a 3-node beam-column element. 2-node bond-link elements are employed for modelling the interaction between plain concrete and reinforcing steel bar elements. It is evident that the nonlinear procedure proposed in this paper can properly model the formation and propagation of individual localised cracks within the reinforced concrete structures. The model presented in this paper enables the researchers and designers to access the integrity of reinforced concrete members under extreme loading conditions by using mesh independent extended finite element method.
ISSN: 1755-0785
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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