Computer Automated Performance-based Optimization of Strut-and-tie Models in Reinforced Concrete Corbels

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Liang, Qing ORCID: 0000-0003-0333-2265 and Fragomeni, Sam (2008) Computer Automated Performance-based Optimization of Strut-and-tie Models in Reinforced Concrete Corbels. In: Australasian Structural Engineering Conference 2008: Engaging with Structural Engineering. Gad, Emad and Wong, Bill, eds. The Meeting Planners, Melbourne, Australia, pp. 594-603.


This paper presents computer automated performance-based optimization of strut-and-tie models in reinforced concrete corbels. The automated performance-based optimization (PBO) technique is used to develop optimal strut-and-tie models for the design and detailing of reinforced concrete corbels. The PBO technique incorporats the finite element analysis, topology optimization theory, performance-based optimality criteria and performance-based design cocnepts into a single scheme to automatically generate optimal designs. Developing strut-and-tie models in reinforced concrete corbels is treated as a topology optimization problem of continuum structures. The optimal strut-and-tie model in a concrete corbel simulated with finite elements is generated by gradually removing inefficient finite elements from the corbel in a performance optimization process. Two examples are provided to demonstrate the effectiveness of the computer automated PBO technique as an advanced design tool for reinforced concrete corbels.

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Item type Book Section
DOI 493338901026392
Official URL;dn=4...
ISBN 9781877040696
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > FOR Classification > 0905 Civil Engineering
Historical > SEO Classification > 8702 Construction Design
Keywords ResPubID14859, reinforced concrete, corbels, strut-and-tie models, design
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