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Unified geometrical framework for the plastic design of reinforced concrete structures

Published version
Peer-reviewed

Type

Article

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Authors

Konstantatou, Marina  ORCID logo  https://orcid.org/0000-0003-0593-9407
D'Acunto, P 
Schwartz, J 

Abstract

© 2020 The Authors. Structural Concrete published by John Wiley & Sons Ltd on behalf of International Federation for Structural Concrete. Although the analysis and design of structures in static equilibrium can be intuitively carried out using simple equilibrium-based methods such as graphic statics, the application of these methods to engineering problems that take into consideration specific material properties is generally limited. Within the domain of reinforced concrete, existing geometric approaches for developing stress fields and yield lines based on the theory of plasticity are especially useful. However, these approaches usually rely on iterative constructions and are generally limited to two-dimensional cases. By taking advantage of graphic statics, this article introduces the theoretical basis for an entirely geometrical method to generate discrete stress fields and yield line patterns in two- and three-dimensional reinforced concrete structures. The proposed approach is based on the use of reciprocal stress functions and the relationship between form and force diagrams.

Description

Keywords

Airy stress function, graphic statics, reciprocal diagrams, reinforced concrete, stress fields, structural analysis and design, strut-and-tie models, yield line patterns

Journal Title

Structural Concrete

Conference Name

Journal ISSN

0307-8434
1751-7648

Volume Title

Publisher

Wiley-Blackwell
Sponsorship
Engineering and Physical Sciences Research Council (EP/L016095/1)