RESEARCH ARTICLE


Limit Analysis for Unilateral Masonry-like Structures



A. Fortunato1, *, E. Babilio2, M. Lippiello2, A. Gesualdo2, M. Angelillo1
1 Department of Civil Engineering, University of Salerno, Fisciano, Italy
University of Naples "Federico II", Department of Structures for Engineering and Architecture, Napoli, Italy


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Creative Commons License
© Fortunato et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Civil Engineering, University of Salerno, Fisciano, Italy; E-mail: a.fortunato@unisa.it


Abstract

This paper is devoted to the application of unilateral models to the stress analysis of masonry structures. Some 2d applications of what we can call the simplified masonry-like model for masonry, are discussed and studied. The results here presented demonstrate that the unilateral model for masonry can be a useful tool for modeling real masonry structures. The main technique here employed for applying the No-Tension model to structures is the systematic use of singular stress and strain fields within the frame set by the theorems of Limit Analysis. A number of simple examples is discussed to illustrate the method.

Keywords: Limit Analysis, Masonry structures, Model of Heyman, Safe theorem, Singular stress, Unilateral materials.