Seismic behavior of partially grouted masonry shear walls containing openings: Experimental testing

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dc.article.number115549
dc.catalogadorgjm
dc.contributor.authorVargas Carvajal, Laura Andrea
dc.contributor.authorSandoval Mandujano, Cristián
dc.contributor.authorBertolesi, Elisa
dc.contributor.authorCalderón Díaz, Sebastián Andrés
dc.date.accessioned2024-03-27T13:32:09Z
dc.date.available2024-03-27T13:32:09Z
dc.date.issued2023
dc.description.abstractThis article presents an experimental study aimed at understanding the effect of openings on the seismic response of partially grouted reinforced masonry (PG-RM) walls. For this purpose, four full-scale PG-RM walls with different opening sizes were built and tested under the combined action of constant axial compression and cyclic lateral loading. All the specimens had the same external dimensions. The effect of openings was assessed in terms of wall hysteresis and force–displacement curves and the quantification of different seismic parameters such as shear capacity, degradation of lateral stiffness, energy dissipated, equivalent viscous damping ratio, and displacement ductility. A 2D Digital Image Correlation (DIC) system was implemented to monitor principal strain fields and cracking patterns during the tests. The paper also includes the assessment of the shear capacity of the tested walls according to three existent approaches developed for in-plane shear panels, which rely on the definition of an effective height of piers. The results indicate that the shear capacity of the walls decreased when the aspect ratio of the piers increased. From DIC analysis results, it was observed that damage extended beyond piers also covering spandrels and that directionality of shear loads played a fundamental role in the damage development. Therefore, the identification of the pier’s effective height and direction of seismic loads should be incorporated into the estimation of the shear capacity. Finally, the performance of the selected shear expressions and different approaches to estimate the effective height of the piers was evaluated. It was concluded that the most accurate approach was to define an effective piers height according to Augenti (2006)’s proposal using the Calderón et al. (2022) shear expression to assess piers’ lateral resistance.
dc.format.extent24 páginas
dc.fuente.origenORCID
dc.identifier.doi10.1016/j.engstruct.2022.115549
dc.identifier.urihttp://dx.doi.org/10.1016/j.engstruct.2022.115549
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/84812
dc.information.autorucEscuela de Ingeniería; Vargas Carvajal, Laura Andrea; S/I; 1080940
dc.information.autorucEscuela de Ingeniería; Sandoval Mandujano, Cristián; 0000-0002-3639-5126; 1010864
dc.information.autorucEscuela de Ingeniería; Calderón Díaz, Sebastián Andrés; S/I; 194180
dc.language.isoen
dc.nota.accesocontenido parcial
dc.revistaEngineering Structures
dc.rightsacceso restringido
dc.subjectReinforced masonry
dc.subjectOpening effect
dc.subjectPartially grouted masonry
dc.subjectIn-plane testing
dc.subjectShear response
dc.subjectDIC technique
dc.subjectShear equation
dc.subject.ddc620
dc.subject.deweyIngenieríaes_ES
dc.titleSeismic behavior of partially grouted masonry shear walls containing openings: Experimental testing
dc.typeartículo
dc.volumen278
sipa.codpersvinculados1080940
sipa.codpersvinculados1010864
sipa.codpersvinculados194180
sipa.trazabilidadORCID;2024-03-25
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