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TitleParametrical study of masonry walls subjected to in-plane loading through numerical modeling
Author(s)Haach, V.
Vasconcelos, Graça
Lourenço, Paulo B.
In-plane behavior
Numerical analysis
Masonry walls
Parametric analysis
Parametrical analysis
Issue dateApr-2011
PublisherElsevier Ltd.
JournalEngineering Structures
Abstract(s)This paper deals with the numerical assessment of the influence of parameters such as pre-compression level, aspect ratio, vertical and horizontal reinforcement ratios and boundary conditions on the lateral strength of masonry walls under in-plane loading. The numerical study is performed through the software DIANA® based on the Finite Element Method. The validation of the numerical model is carried out from a database of available experimental results on masonry walls tested under cyclic lateral loading. Numerical results revealed that boundary conditions play a central role on the lateral behavior of masonry walls under in-plane loading and determine the influence of level of pre-compression as well as the reinforcement ratio on the wall strength. The lateral capacity of walls decreases with the increase of aspect ratio and with the decrease of pre-compression. Vertical steel bars appear to have almost no influence in the shear strength of masonry walls and horizontal reinforcement only increases the lateral strength of masonry walls if the shear response of the walls is determinant for failure, which is directly related to the boundary conditions.
AccessOpen access
Appears in Collections:ISISE - Artigos em Revistas Internacionais

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