NDLI: Failure mechanism of masonry prism loaded in axial compression: computational aspects ( Materials and Structures , Volume 38 , Issue 2 )

Content Provider	Springer Nature Link
Author	Berto, L. Saetta, A. Scotta, R. Vitaliani, R.
Copyright Year	2004
Abstract	In this paper, the mechanical behaviour of masonry prism under typical laboratory testing conditions, such as uniaxial compression, was simulated by means of finite element analysis by both two-dimensional and three dimensional models. The analyses were performed by assuming damage constitutive law for the component materials (mortar and bricks). The effect of lateral stresses arising from the Poisson's effect is emphasised and the main failure mechanism is identified, demonstrating the inability of usual plain-stress and plain-strain 2-D analysis to capture the actual structural response in the most common pratical cases. A modified 2-D model accounting for the out-of-plane interaction between mortar and units is therefore proposed and comparative stress-strain diagrams are presented.Dans cet article, on analyse le comportement mécanique de briques sous chargement typique de laboratoire, comme par exemple compression uniaxiale, grâce à la méthode des éléments finis avec des modèles 2D et 3D. L'endommagement est pris en compte pour les deux matériaux (briques et mortier). On met en avant les effets de tension latérale provenant du coefficient de Poisson et on identifie les mécanismes principaux de rupture, démontrant l'incapacité des modèles 2D de tension plane de reproduire le comportement du matériau. On propose donc un modèle modifié 2D qui prend en compte les interactions hors du plan entre le mortier et une brique, et on présente une comparaison tension-déformation entre les deux modèles.
Starting Page	249
Ending Page	256
Page Count	8
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	38
Issue Number	2
e-ISSN	18716873
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Theoretical and Applied Mechanics Structural Mechanics Mechanical Engineering Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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