A material model for flexural crack simulation in reinforced concrete elements using ABAQUS
Wahalathantri, B.L., Thambiratnam, D.P., Chan, T.H.T., & Fawzia, S. (2011) A material model for flexural crack simulation in reinforced concrete elements using ABAQUS. In Proceedings of the First International Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, Queensland University of Technology, Queensland University of Technology, Brisbane, Qld, pp. 260-264.
This paper presents a material model to simulate load induced cracking in Reinforced Concrete (RC) elements in ABAQUS finite element package. Two numerical material models are used and combined to simulate complete stress-strain behaviour of concrete under compression and tension including damage properties. Both numerical techniques used in the present material model are capable of developing the stress-strain curves including strain softening regimes only using ultimate compressive strength of concrete, which is easily and practically obtainable for many of the existing RC structures or those to be built. Therefore, the method proposed in this paper is valuable in assessing existing RC structures in the absence of more detailed test results. The numerical models are slightly modified from the original versions to be comparable with the damaged plasticity model used in ABAQUS. The model is validated using different experiment results for RC beam elements presented in the literature. The results indicate a good agreement with load vs. displacement curve and observed crack patterns.
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|Item Type:||Conference Paper|
|Keywords:||Reinforced concrete, crack, tension stiffening, compressive stress-strain relationship|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2011 Queensland University of Technology|
|Copyright Statement:||This publication contains conference proceedings. Reproduction, but not modification, is permissible without the authors‘ consent provided that the authors‘ work is referenced appropriately. No modification of the contents of this publication is allowed. The Organising Committee and Queensland University of Technology are not responsible for the statements or opinions expressed in this publication. Any statements or views expressed in the papers contained in these Proceedings are those of the author(s). Mention of trade names or commercial products does not constitute endorsement or recommendation for use.|
|Deposited On:||17 May 2011 22:18|
|Last Modified:||21 May 2011 12:49|
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