Finite element modeling and shake-table testing of unidirectional infill masonry walls under out-of-plane dynamic loads

Rabinovitch, Oded; Madah, Hazem

doi:10.1016/j.engstruct.2011.05.019

Cited by 26 publications

(25 citation statements)

References 32 publications

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“…The nonlinear and inelastic compressive behavior for the mortar material depends on the current straining state as well as the loading history, which is designated by the tensor h . The response of the mortar material can be approximated by the following expression (also see [Rabinovitch and Madah 2011]…”

Section: Kinematic and Constitutive Relationsmentioning

confidence: 99%

“…In physical terms, this term reflects the effect of the rotation on the projection of a length segment of the deformed reference axis (see for example, [Brush and Almroth 1975]). The constitutive model for the masonry wall follows [Rabinovitch and Madah 2011] and introduces the nonlinearity and the inelasticity associated with the masonry construction through the definition of the stress resultants:…”

Section: Kinematic and Constitutive Relationsmentioning

confidence: 99%

“…They are followed by a convergence study that examines the capabilities of the finite element model. An experimental study on full scale FRP strengthened wall and comparison of the numerical results with results of the experiments are presented and discussed in the second part of this paper [Rabinovitch and Madah 2012].…”

Section: Introductionmentioning

confidence: 99%

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Dynamics of FRP strengthened unidirectional masonry walls, I: A multilayered finite element

Rabinovitch

Madah

2012

J. Mech. Mater. Struct.

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The dynamic response of unidirectional FRP strengthened masonry walls is investigated. The examined walls are strengthened using externally bonded composite materials. In this part of the paper, a nonlinear multilayered finite element for the nonlinear dynamic analysis of the unidirectional strengthened wall is developed. The formulation reduces the general 2D problem to a 1D form using high order kinematic assumptions that are based on the static deformation fields in the various components. The model aims to face the challenges associated with the combination of length scales, differences in elastic properties, irregular points, cracking, crushing, and inelastic behavior of the masonry substrate. The geometrical nonlinearity, the layered configuration, and the variation of the stresses through the depth the adhesive layers are also addressed. A numerical study that examines the capabilities of the model and its convergence with refinement of the spatial and temporal meshes is presented. Emphasis is placed on the global nonlinear dynamic response, the local effects near the joints, the interfacial stresses, and their temporal variation under dynamic loads.

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Section: Kinematic and Constitutive Relationsmentioning

confidence: 99%

Section: Kinematic and Constitutive Relationsmentioning

confidence: 99%

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Dynamics of FRP strengthened unidirectional masonry walls, I: A multilayered finite element

Rabinovitch

Madah

2012

J. Mech. Mater. Struct.

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“…Along with its many advantages, the unique characteristics of the masonry construction make the masonry wall vulnerable to out-of-plane static and mainly dynamic loads. For example, in [Rabinovitch and Madah 2011] we experimentally and analytically examined the behavior of unreinforced masonry walls under out-of-plane dynamic loads. The experimental observations reflected the limited ability of the wall to resist such loads and the impact of the boundary conditions and the level of in-plane compression on this limited ability.…”

Section: Introductionmentioning

confidence: 99%

“…To achieve these goals, a full-scale unidirectional masonry wall that is strengthened with externally bonded strips made of carbon fiber reinforced polymer (CFRP) is tested under out-of-plane dynamic excitation. The shake table test setup follows the one used in [Rabinovitch and Madah 2011] for unreinforced unidirectional masonry walls. The results of the shake-table experiments and the comparison with the response of the same wall tested before strengthening (loc.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of FRP strengthened unidirectional masonry walls, II: Experiments and comparison

Rabinovitch

Madah

2012

J. Mech. Mater. Struct.

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In this part of the paper, the dynamic out-of-plane behavior of a unidirectional strengthened masonry wall is studied experimentally. The experimental phase focuses on shake-table testing of a full-scale masonry wall strengthened with carbon fiber reinforced composite strips. The tested wall is subjected to different combinations of in-plane compression and out-of-plane excitation. The dynamic behavior of the wall is monitored with emphasis on the global out-of-plane displacements and accelerations as well as on the localized displacements and strains near the mortar joints. The experimental results are also used for the assessment of the finite element model developed in part I of the paper. The experimental results, the numerical analysis, and the comparison between the two throw light on the global and local aspects of the dynamic response. The numerical model allows for further study of local-scale results, which cannot be monitored experimentally. In particular, the dynamics of the shear and peeling stresses at the adhesive layers are examined. The comparison of the experimental results with ones obtained for the same wall before strengthening demonstrate the potential of the method and its impact on the dynamics of the masonry wall.

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Linear time history analysis for the out-of-plane seismic demand of infill walls in RC framed buildings

Angelis

Pecce

Rossi

2015

Bull Earthquake Eng

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Finite element modeling and shake-table testing of unidirectional infill masonry walls under out-of-plane dynamic loads

Cited by 26 publications

References 32 publications

Dynamics of FRP strengthened unidirectional masonry walls, I: A multilayered finite element

Dynamics of FRP strengthened unidirectional masonry walls, I: A multilayered finite element

Dynamics of FRP strengthened unidirectional masonry walls, II: Experiments and comparison

Linear time history analysis for the out-of-plane seismic demand of infill walls in RC framed buildings

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