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Computers and Concrete Volume 1, Number 2, May 2004 , pages 151-168 DOI: https://doi.org/10.12989/cac.2004.1.2.151 |
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Modelling time-dependent cracking inrnreinforced concrete using bond-slip Interface elements |
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Matej Fischinger , Tatjana Isakovic and Peter Kante
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| Abstract | ||
| A two-dimensional nonlinear finite element model is developed to simulate time-dependentrncracking of reinforced concrete members under service loads. To predict localized cracking, the crackrnband model is employed to model individual crack opening. In conjunction with the crack band model, arnbond-interface element is used to model the slip between concrete and reinforcing steel permitting largernslip displacements between the concrete element nodes and the steel truss element nodes at crackrnopenings. The time-dependent effects of concrete creep and shrinkage are incorporated into the smearedrncrack model as inelastic pre-strains in an iterative solution procedure. Two test examples are shown tornverify the finite element model with good agreement between the model and the observed test results. | ||
| Key Words | ||
| concrete; cracking; creep; shrinkage; time; finite element. | ||
| Address | ||
| School of Civil and Environmental EngineeringrnThe University of New South Wales, UNSW Syudney, 2052. Australia | ||