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http://hdl.handle.net/20.500.12390/2461


Título: Numerical analysis of bonding between masonry and steel reinforced grout using a plastic–damage model for lime–based mortar
Autor(es): Salsavilca J. 
Tarque N. 
Yacila J. 
Camata G. 
Resumen: This paper shows a numerical investigation with single-lap shear bond tests between Peruvian brick masonry and SRG system. For this purpose, the finite element method, elements and constitutive models implemented in ABAQUS library were used. Eight-node continuum elements were employed for modelling mortar, masonry and steel fibers assuming a linear-elastic behaviour for the last two materials. Eight-node cohesive elements with zero-thickness were used to model substrate-mortar and steel-mortar interfaces. Due to experimental results showed the detachment of the steel fiber from the mortar accompanied by cracking of the outer mortar layer, the non-linearity of the mortar was also considered by using a Concrete Damage Plasticity constitutive model. The effect of the mortar non-linearity was compared with other models assuming a linear and rigid material for mortar, as recommended by literature. This shows that modelling a non-linear mortar leads to more accurate results for future design and strengthening purposes, thus, its implementation is encouraged. A comparison in time between Bond–Slip Law (BSL) at steel–mortar interface and mortar constitutive law is analysed in order to investigate the stress-transfer mechanism during single–lap shear tests. © 2020 Elsevier Ltd
Tema: Bond behaviour;Masonry;Non-linear mortar;Numerical model;SRG
Editorial: Elsevier Ltd
Fecha de publicación: 2020
Publicado en: Construction and Building Materials 
Financiamiento: CONV-000232-2015-FONDECYT-DE - PROMOCION 1 
Tipo de publicación: info:eu-repo/semantics/article
Identificador Handle: http://hdl.handle.net/20.500.12390/2461
DOI: 10.1016/j.conbuildmat.2020.120373
Nivel de acceso: info:eu-repo/semantics/closedAccess
Colección:2.2 Estudios de maestría

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marcado en 27-nov-2021

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