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Title: An extended finite element model for modelling localised fracture of reinforced concrete beams in fire
Authors: Liao, F
Huang, Z
Keywords: Localised crack;Reinforced concrete beams in fire;Extended finite element method (XFEM);Layered concrete element;Crack opening
Issue Date: 2015
Publisher: Elsevier Ltd
Citation: Computers and Structures, 152: 11 - 26, (2015)
Abstract: A robust finite element procedure for modelling the localised fracture of reinforced concrete beams at elevated temperatures is developed. In this model a reinforced concrete beam is represented as an assembly of 4-node quadrilateral plain concrete, 3-node main reinforcing steel bar, and 2-node bond-link elements. The concrete element is subdivided into layers for considering the temperature distribution over the cross-section of a beam. An extended finite element method (XFEM) has been incorporated into the concrete elements in order to capture the localised cracks within the concrete. The model has been validated against previous fire test results on the concrete beams.
Description: Open Access funded by Engineering and Physical Sciences Research Council under a Creative Commons license.
ISSN: 1879-2243
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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