Application of a coupled homogenization-damage model to masonry tunnel vaults

This paper presents an approach developed to study the behavior of the masonry vaulted tunnels in order to evaluate the serviceability state and failure load. An appropriate homogenization technique is used to simulate the global anisotropic behavior across the vault. The model takes into account is...

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Bibliographic Details
Published in:Computers and geotechnics 2017-03, Vol.83, p.132-141
Main Authors: Moreno Regan, Omar, Bourgeois, Emmanuel, Colas, Anne-Sophie, Chatellier, Patrice, Desbordes, Alain, Douroux, Jean-François
Format: Article
Language:English
Subjects:
Anisotropy
Civil Engineering
Computer simulation
Damage
Damage assessment
Deformation
Engineering Sciences
Failure load
Finite element
Finite element method
Homogenization
Masonry
Mechanics
Structural mechanics
Structures
Tunnel
Tunnels
Vault
Vaults
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Summary:This paper presents an approach developed to study the behavior of the masonry vaulted tunnels in order to evaluate the serviceability state and failure load. An appropriate homogenization technique is used to simulate the global anisotropic behavior across the vault. The model takes into account isotropic damage in each component of the masonry and the variations of the directions of anisotropy in case of a vault. A set of comparisons with experimental tests allowed the validation of the proposed approach. Failure loads and deformation states are correctly assessed. The present model was programmed in the finite element code CESAR-LCPC.
ISSN:0266-352X
1873-7633
DOI:10.1016/j.compgeo.2016.10.024