A mathematical description of macroscopic behaviour of brick masonry

Pietruszczak, S.; Niu, Xufeng

doi:10.1016/0020-7683(92)90052-u

Cited by 123 publications

(62 citation statements)

References 6 publications

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“…Once the model parameters , and are assigned, both the limiting resistance domains, delimited by the conditions (10) and (14), and the limiting sliding domain, expressed by the condition (13), are defined in the plane ( , " "), as shown by Figure 3.…”

Section: A Damage Model For Mortar Jointsmentioning

confidence: 99%

Damage Models for the Seismic Response of Brick Masonry Shear Walls. Part I: The Mortar Joint Model and Its Applications

Gambarotta

Lagomarsino

1997

Earthq Engng Struct Dyn

258

111

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SUMMARYThe response of brick masonry walls to in-plane horizontal cyclic loads analogous to those induced during seismic events is analysed by applying constitutive models which take into account the mechanical behaviour of each component and its interfaces, i.e. decohesion and slipping in the mortar joints and failure in bricks. To this end, a damage model for mortar joints is proposed and then applied in two different approaches to the analysis of brick masonry walls which are described both in the present paper and in the companion paper. The response of the mortar joint model to varying stress and strain is here analysed and applied to the simulation of experimental results from shear tests on mortar-brick assemblages. From the description of the mortar joints and assuming brittle constitutive equations for the brick units, a composite model based on a finite element approach is here developed and applied to the lateral analysis of rectangular shear walls. Even if this model turns out to be computationally burdensome, it may give information on the inelastic mechanisms and related strains by means of a local description of the element motion. Some simulations of the lateral response of experimented walls under cyclic horizontal actions superimposed on vertical loads are carried out and an interpretation of the influence of the wall geometry on the lateral stiffness degradation and on the hysteretic energy dissipation is given.1997 by John Wiley & Sons, Ltd.

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Section: A Damage Model For Mortar Jointsmentioning

confidence: 99%

Damage Models for the Seismic Response of Brick Masonry Shear Walls. Part I: The Mortar Joint Model and Its Applications

Gambarotta

Lagomarsino

1997

Earthq Engng Struct Dyn

258

111

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“…The above-introduced model of nacre is periodic and is very similar to typical models for masonry (Pietruszczak and Niu, 1992;Anthoine, 1995;Cecchi and Sab, 2002). The goal of homogenization theory (which has been thoroughly developed for periodic elastic media, see for instance Sanchez-Palencia, 1980) is to derive from a microstructure a macroscopic response valid for an effective continuous equivalent medium.…”

Section: Homogenizationmentioning

confidence: 99%

Nacre: An orthotropic and bimodular elastic material

Bertoldi

Bigoni

Drugan

2008

Composites Science and Technology

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“…Moreover, anisotropic friction plays an important role in the formation of wrinkles and folds in textiles (Pabst et al, 2009). Some of the research efforts made in recent years to achieve a better understanding of constitutive behaviour of quasi-brittle materials have been developed in the framework of plasticity (Pietruszczak and Niu, 1992). Constitutive models developed in this last field for concrete (Feenstra and De Borst, 1996;Wang et al, 2014) have been successfully applied to masonry structures.…”

Section: Introductionmentioning

confidence: 99%

Constitutive behaviour of quasi-brittle materials with anisotropic friction

Gesualdo

Monaco

2015

Lat. Am. j. solids struct.

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This paper presents an approach to a constitutive model for anisotropic quasi-brittle materials, developed in the framework of rate independent softening plasticity, involving a yield criterion in which an anisotropic friction tensor is involved. It turns out to be useful for materials characterized by ultimate behaviour which varies according to the direction, such as composite materials, anisotropic rocks, textiles, masonry. A geometrical representation of the limit domain in the case of plane stress, together with the results of laboratory tests is presented and discussed.

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A mathematical description of macroscopic behaviour of brick masonry

Cited by 123 publications

References 6 publications

Damage Models for the Seismic Response of Brick Masonry Shear Walls. Part I: The Mortar Joint Model and Its Applications

Damage Models for the Seismic Response of Brick Masonry Shear Walls. Part I: The Mortar Joint Model and Its Applications

Nacre: An orthotropic and bimodular elastic material

Constitutive behaviour of quasi-brittle materials with anisotropic friction

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