Vol. 13, No. 5, 2018

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Analysis of 3D no-tension masonry-like walls

Deborah Briccola, Matteo Bruggi and Alberto Taliercio

Vol. 13 (2018), No. 5, 631–646
DOI: 10.2140/jomms.2018.13.631
Abstract

Modeling masonry as a linear elastic no-tension material, an original approach is implemented to analyze 3D structural elements, with special attention to walls. Masonry is replaced by a suitable equivalent orthotropic material with spatially varying elastic properties and negligible stiffness in case of tensile strain. An energy-based minimization problem is implemented to define the distribution and the orientation of the equivalent material for a given compatible load, so as to obtain a compressive state of stress throughout the structural element. A regular mesh of hexahedrons is used to speed up the sensitivity analysis. The capabilities of the approach in predicting no-tension stress solutions in masonry walls is shown, considering dead loads and both in-plane and out-of-plane live loads.

Keywords
no-tension materials, masonry walls, pushover analysis
Milestones
Received: 29 April 2018
Revised: 25 July 2018
Accepted: 3 December 2018
Published: 28 March 2019
Authors
Deborah Briccola
Department of Civil and Environmental Engineering
Politecnico di Milano
Milano
Italy
Matteo Bruggi
Department of Civil and Environmental Engineering
Politecnico di Milano
Milano
Italy
Alberto Taliercio
Department of Civil and Environmental Engineering
Politecnico di Milano
Milano
Italy