Multilevel approach for brick masonry walls – Part III: A strategy for free vibration analysis

Brasile, Sandro; Casciaro, Raffaele

doi:10.1016/j.cma.2009.09.004

Cited by 4 publications

(1 citation statement)

References 16 publications

(39 reference statements)

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“…Indeed, the relevant studies in the field of free vibration analysis of masonry wall were focused on the determination the circular frequencies related to in‐plane. [ 31,32 ] Thereby, when the modal analysis is carried out for masonry structures, not only the effective natural frequencies must be determined but also their corresponding loss factors for in‐plane as well as for out‐of‐plane vibration problems.…”

Section: Introductionmentioning

confidence: 99%

Dynamic homogenization approach for in‐plane and out‐of‐plane linear vibration analysis of masonry wall structures

Atailia

Meftah

Fouchal

2020

Structural Design Tall Build

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Summary In the present paper, a constitutive viscoelastic model for periodic masonry structures is proposed. Using a dynamic homogenization approach of the continuous and discrete‐based model leads to the determination of the anisotropic material properties by assigning the fictitious stress and strains of the homogeneous cell masonry unit. These properties are defined as complex moduli, which consist of real parts representing elastic stiffness and imaginary ones referring to energy dissipations. The advantage of the proposed model is that the damping properties associated to different modes of vibrations can be easily evaluated. Numerical and parametric investigations are conducted that reveal the capabilities of the model to an accurate prediction of the dynamic properties of the masonry walls mainly under both in‐plane and out‐of‐plane vibrations.

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Section: Introductionmentioning

confidence: 99%

Dynamic homogenization approach for in‐plane and out‐of‐plane linear vibration analysis of masonry wall structures

Atailia

Meftah

Fouchal

2020

Structural Design Tall Build

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Effect of horizontal ring beams on the ultimate bearing capacity of masonry walls

Radnić¹,

Smilović

Harapin

et al. 2013

Materialwissenschaft Werkst

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This paper presents the results of numerical tests on the effect of horizontal ring beams on the behaviour of masonry walls under static and dynamic load. Two-storey walls without and with openings were analyzed, with good and poor quality of masonry, with different boundary conditions at the foundation-base interface. The effect of the longitudinal bars profiles of horizontal ring beams on the behaviour of walls under horizontal static load, as well as under harmonic and seismic base acceleration was studied. Previously developed numerical model by the authors for static and dynamic analysis of planar masonry structures was used. It was concluted that walls without horizontal ring beams had a significantly smaller strength capacity than equal walls with horizontal ring beams, and that greater longitudinal bars profiles of horizontal ring beams contributes to a higher limit strength capacity of masonry walls.

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Continuous and discrete strategies for the modal analysis of regular masonry

Baraldi

Bullo

Cecchi

2016

International Journal of Solids and Structures

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A modal analysis in linear elastic field for periodic masonry structures is proposed, based on continuous and discrete models. The continuum model is based on analytical homogenisation procedures, within the standard Cauchy and micropolar continuum theories, and the discrete model (DEM) describes masonry as a rigid skeleton. Both models are based on the assumptions of rigid blocks and mortar joints modelled as elastic interfaces.\ud Modal analysis, performed with continuous and discrete models, has been carried on both at Representative Elementary Volume (REV) level and at masonry panel level, such as to evaluate masonry sensitivity to local microstructure and to characteristic length of REV compared with the masonry panel size.\ud Hence, a parametric analysis is carried on to investigate the effect of (i) masonry texture (running versus header bond and other brick width-to-height ratios); (ii) size of heterogeneity; (iii) mortar elastic parameters; (iv) panel dimensions. Modal analysis is then carried on and compared also with a heterogeneous Finite Element Model (FEM) and a model already existent in literature (Brasile and Casciaro, 2009).\ud The proposed modal analysis for masonry is a first step to investigate the dynamic behaviour of masonry panels. Comparisons between several models has been performed to verify the reliability of the proposed procedures and to use these different approaches for a future development in non-linear field. In addition, a modal analysis is performed to examine a full-scale masonry shear wall with constraints such as to simulate a single shear wall in a two-story masonry building, with the aim to provide a case of technical interest

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Multilevel approach for brick masonry walls – Part III: A strategy for free vibration analysis

Cited by 4 publications

References 16 publications

Dynamic homogenization approach for in‐plane and out‐of‐plane linear vibration analysis of masonry wall structures

Dynamic homogenization approach for in‐plane and out‐of‐plane linear vibration analysis of masonry wall structures

Effect of horizontal ring beams on the ultimate bearing capacity of masonry walls

Continuous and discrete strategies for the modal analysis of regular masonry

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