Homogenized Strategy toward Constitutive Identification of Masonry
Publication: Journal of Engineering Mechanics
Volume 128, Issue 6
Abstract
The aim of this work is the study of masonry behavior by means of a homogenized model in several perturbative parameters. The difficulty in the mechanical modeling of masonry depends on its discrete character, as such, masonry is composed of blocks between which mortar is laid. Moreover, the building procedure leads to head and bed joint stiffnesses which may be different. Within the limits of the hypotheses of the model, the capacity of the homogenization method to grasp these features was investigated in this study. The homogenization model proposes a constitutive identification between the masonry and a standard continuum. Moreover, the introduction of two perturbative parameters enables one to grasp the influence of variations in the relative thickness of the joints with respect to the dimensions of the blocks, and of variations in the deformability of the latter on the constitutive homogenized functions. On a structural level, for a sample case, the capacity of the homogenized continuous model to describe the characteristic aspects of the behavior of masonry has been investigated by comparison with a discrete model.
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Published In
Journal of Engineering Mechanics
Volume 128 • Issue 6 • June 2002
Pages: 688 - 697
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Apr 13, 2001
Accepted: Oct 22, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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