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Automatic generation of planar RC Strut-and-Tie models

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Author(s): Starčev-Ćurčin Anka | Rašeta Andrija | Brujić Zoran

Journal: Facta Universitatis Series : Architecture and Civil Engineering
ISSN 0354-4605

Volume: 11;
Issue: 1;
Start page: 1;
Date: 2013;
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Keywords: FEM | optimization | Strut-and-Tie model | truss member

ABSTRACT
This paper presents a proposal for determining Strut-and-Tie models of reinforced concrete plane elements. For the purposes of analysis, a computer program was developed and a discrete topological optimization was applied, using a truss member for the design of the stress-strain state of the real member. The method can be used for the analysis of a part or a whole member and it is particularly suitable for the usage in the places of sudden changes of static and/or geometric characteristics of members. The general principle of the method is that compressed members replace concrete parts of the element (surface or volume) and tension members replace the reinforcement. [Projekat Ministarstva nauke Republike Srbije, br. TR 36043: Development and application of a comprehensive approach to the design of new and safety assessment of the existing structures for seismic risk reduction in Serbia]
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