Crack growth in masonry: Numerical analysis and sensitivity study for discrete and smeared crack modelling

Bejarano-Urrego, Leidy; Verstrynge, Els; Giardina, Giorgia; Balen, Koen Van

doi:10.1016/j.engstruct.2018.03.030

Cited by 28 publications

(20 citation statements)

References 15 publications

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“…The major differences in assigned and apparent Poisson's ratios for both masonry components here investigated shed light on differences observed between their behavior in standalone tests and as observed in masonry composites under mechanical loading, as for example by optical methods such as Digital Image Correlation [2]. These differences are noted even at the central area of the linear branch in the response of the masonry composite.…”

Section: A C C E P T E D Mmentioning

confidence: 69%

“…A N U S C R I P T 4 Sophisticated numerical approaches are often required for the detailed analysis of masonry structures. Analysis methods for masonry in the macro-scale are able to capture the behavior of the material at the composite level [1], but are often reliant on the characterization of entire masonry samples [2], which present severe difficulties in their extraction and destructive testing. Micromodeling approaches, on the other hand, rely on the distinct modeling of the material phases of the composite in order to achieve result completeness and a direct simulation of the interaction of the units and the mortar [3,4].…”

Section: A C C E P T E D Mmentioning

confidence: 99%

See 1 more Smart Citation

The confinement of mortar in masonry under compression: Experimental data and micro-mechanical analysis

Drougkas

Verstrynge

Hayen

et al. 2019

International Journal of Solids and Structures

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Highlights Experimental data on varied combinations of units and mortars are presented in detail  The varying Poisson's ratio of mortar under compressive loading is investigated and modeled  Computationally inexpensive and accurate micro-mechanical models are developed for the numerical reproduction of the experiments  The influence of the material properties of mortar on the compressive behavior of masonry is highlighted  The wide changes in the apparent vs. prescribed elastic properties of the material components in the masonry composite are shown

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Section: A C C E P T E D Mmentioning

confidence: 69%

Section: A C C E P T E D Mmentioning

confidence: 99%

The confinement of mortar in masonry under compression: Experimental data and micro-mechanical analysis

Drougkas

Verstrynge

Hayen

et al. 2019

International Journal of Solids and Structures

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“…Since no physical contact and no attached instruments are required for the application, DIC can be applied to samples of small size, on which the attachment of physical measurement devices is difficult or impossible. This technique has been applied to both masonry materials (Drdácký et al, 2008) and entire members (Bejarano-Urrego et al, 2018;Thamboo et al, 2013). The use of DIC on masonry at the member scale has been generally used for the tracking of the formation of cracks and the evaluation of their width under increasing load, at which point the deformations are mostly concentrated at the failure lines and of a significant magnitude (Cotič et al, 2014;Nghiem et al, 2015;Ramos et al, 2015).…”

Section: State Of the Artmentioning

confidence: 99%

“…The adopted material properties are listed in Table 4; they were chosen after a calibration procedure (Bejarano-Urrego et al, 2018) taking into account the experimental data from the tests on small samples and panels as well as data from literature (Drougkas et al, 2015;Giardina et al, 2015;Noort, 2012;Rots, 1997;Van der Pluijm et al, 2000). The interfaces are assigned the compressive strength of the wallettes in the vertical direction.…”

Section: Meso-modelling Approachmentioning

confidence: 99%

Macro scale material characterisation in support of meso scale modelling of masonry under uniaxial in-plane loading

Drougkas¹,

Urrego²,

Roy³

et al. 2020

IJMRI

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The amount of detailed experimental data on the mechanical properties of brick masonry in the literature is limited regarding the orthotropic strength and fracture energy. A combined experimental/numerical methodology is proposed for the derivation of the macro scale properties of masonry. The experimental aspect deals with the mechanical characterisation of the individual materials, small masonry samples and masonry wallettes, including the relation of couplet to wallette strength. The numerical aspect is the calculation of the macroscopic properties of the masonry through discrete cracking calculations in two orthogonal directions. The numerical analysis results are compared with the experimental stress-strain results and Digital Image Correlation analysis. The Young's modulus and compressive fracture energy for the masonry composite are derived. The results are analysed in view of the resulting anisotropy of masonry and the obtained failure modes.

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“…In recent years, cracking or even damage of masonry structures caused by differential settlement has gained more attention. e main methods to study the crack initiation and propagation in masonry structures subjected to vertical settlement include theoretical analysis [1,2], numerical simulation [3][4][5][6][7], and laboratory test. Numerical tools have been favorably preferred over the analytical method, given the complex mechanical response and the irregular geometries of the masonry structure.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Crack Initiation and Propagation in the Unreinforced Masonry Specimen Subjected to Vertical Settlement

Wang

et al. 2021

Advances in Materials Science and Engineering

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To study the cracking process of the wall caused by differential settlement under a uniformly distributed load on the top of the wall, a laboratory model experiment was carried out on large-scale masonry specimens, and the acoustic emission (AE) technique and digital close-range industrial photogrammetry were adopted to monitor the AE signals and displacement characteristics of the masonry specimens during loading in real time. The results show that, in the case of differential settlement with small settlement on both sides and large settlement in the middle, two main cracks appear on the left and right sides of the wall, extending obliquely from bottom to top. During the loading process, damage of the wall is aggravated due to the differential settlement, and both cumulative ringing count and energy count have different periods of steep rise. With the increase in the load and activation of the AE event, the AE event becomes active, and the cumulative ringing count and cumulative energy curve have an obvious turning point, where the slope of the curve is substantially higher than that before the turning point. By using digital close-range industrial photogrammetry, it is observed that the main oblique crack on the left is mainly caused by the difference in the vertical deformation, while the main oblique crack on the right is caused by different displacements and deformation directions of the wall on both sides of the crack.

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Crack growth in masonry: Numerical analysis and sensitivity study for discrete and smeared crack modelling

Cited by 28 publications

References 15 publications

The confinement of mortar in masonry under compression: Experimental data and micro-mechanical analysis

The confinement of mortar in masonry under compression: Experimental data and micro-mechanical analysis

Macro scale material characterisation in support of meso scale modelling of masonry under uniaxial in-plane loading

Experimental Investigation of Crack Initiation and Propagation in the Unreinforced Masonry Specimen Subjected to Vertical Settlement

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