A Force-Based Equivalent Frame Element for Push-Over Analysis of Masonry Structures

Daniela Addessi; Alessandro Mastrandrea; Elio Sacco

doi:10.4028/www.scientific.net/KEM.624.405

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Recent Developments in F.E. Analysis of FRP Reinforced Masonry Vaults: Case Studies in Italy
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Experimental Study of Brick Masonry Walls Strengthened with Textile Reinforced Mortar
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A Force-Based Equivalent Frame Element for Push-Over Analysis of Masonry Structures

Abstract:

A new macro-element based on the equivalent frame approach is presented to analyze the nonlinear structural response of masonry panels under monotonic lateral loadings. A nonlinear elastic response is assumed for the masonry material and the sectional response of the beam is derived performing analytical integration. A two-node equilibrated force-based (FB) beam finite element (FE) is formulated. The FE is composed of a central flexible part, characterized by a no-tension constitutive relationship, and a lumped nonlinear shear hinge arranged in series, in order to capture the main flexural and shear nonlinear mechanisms characterizing the masonry panel response. Some applications on experimental prototypes are presented, showing a very satisfactory agreement between the numerical results and the experimental outcomes.

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Periodical:

Key Engineering Materials (Volume 624)

Pages:

405-412

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.624.405

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Online since:

September 2014

Authors:

Daniela Addessi*, Alessandro Mastrandrea, Elio Sacco

Keywords:

Force-Based FE, Macro-Element, Masonry, Nonlinear Analysis, Spread Inelasticity

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* - Corresponding Author

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