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Homogenization of periodic masonry: Plane stress, generalized plane strain or 3D modelling? (English) Zbl 0879.73006

Masonry can be considered either as infinitely thin (two-dimensional medium under plane stress), or as infinitely thick (two-dimensional medium under generalized plane strain). In order to determine the range of validity of these assumptions, the homogenization theory is here implemented in a rigorous way, i.e. taking into account the finite thickness of masonry. Both brick and mortar being assumed as subjected to isotropic damage, numerical computations show that the above-mentioned assumptions have little influence on the macroscopic elastic behaviour of masonry, but may significancy affect its nonlinear response (ultimate load and mode of failure).

MSC:

74E05 Inhomogeneity in solid mechanics
74R99 Fracture and damage
74S05 Finite element methods applied to problems in solid mechanics
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References:

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