2016
DOI: 10.1016/j.engstruct.2016.01.054
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Damage of masonry structures relative to their properties: Development of ground movement fragility curves

Abstract: International audienceThe objective of this paper is to study the effect of the properties of masonry buildings on the threshold values of the deflection ratio, which is used to assess the damage category of buildings. Based on the results obtained from a sensitivity analysis, fragility curves are drawn and used to develop a probabilistic approach to help assess the damage for different structure typologies due to ground settlement.The threshold values of the building deflection ratio are primarily empirical. … Show more

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Cited by 10 publications
(4 citation statements)
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“…Specifically, the first three settlement profiles are defined as uniform vertical displacement, whereas, in the remaining scenarios non-uniform displacement field, along the length of the structure is considered. The maximum vertical displacement (∆u max ) is determined as 0.05 m, which gives the ultimate deflection ratio (∆u max /L 0 ) of 0.00625, passing the very severe damage threshold according to the accepted damage criteria in the literature, which is discussed in detail by Serhal et al [35]. The displacements are gradually applied by 0.005-m increments, and after each increment, it is ensured that the structure can stand under imposed settlement profile.…”
Section: Applications Of the D-rba: Crack Patterns In Urm Façadementioning
confidence: 99%
“…Specifically, the first three settlement profiles are defined as uniform vertical displacement, whereas, in the remaining scenarios non-uniform displacement field, along the length of the structure is considered. The maximum vertical displacement (∆u max ) is determined as 0.05 m, which gives the ultimate deflection ratio (∆u max /L 0 ) of 0.00625, passing the very severe damage threshold according to the accepted damage criteria in the literature, which is discussed in detail by Serhal et al [35]. The displacements are gradually applied by 0.005-m increments, and after each increment, it is ensured that the structure can stand under imposed settlement profile.…”
Section: Applications Of the D-rba: Crack Patterns In Urm Façadementioning
confidence: 99%
“…As shown in Figure 4, even-tough the results of SSI studies are globally consistent in the literature, the comparison shows a large margin of discrepancy in the estimation of the transmission of the ground movements to structures. An important portion of this discrepancy may be explained by the influence of uncertainties [1,4,18].…”
Section: 3presence Of Uncertaintiesmentioning
confidence: 99%
“…As shown in Figure 1, these movements are characterized by vertical and horizontal displacements with other effects (ground curvature, slope, etc.) that cause differential soil settlement under the building and may lead to major damage [1,2]. However, the transmission of ground movements to structures may be considerably affected by the soil-structure interaction phenomenon which is strongly dependent upon the stiffness of the structure as well as that of the soil [3].…”
Section: Introduction 11backgroundmentioning
confidence: 99%
“…Dans le cas d'un mouvement en champ libre dissymétrique, la déflexion D est un paramètre plus intéressant que le tassement différentiel car elle permet ne pas tenir compte du mouvement rotationnel de corps rigide du bâti. Le rapport D/L, appelé taux de déflexion, est fréquemment utilisé pour étudier le comportement de structures soumises à un tassement différentiel (Serhal et al, 2016).…”
Section: Introductionunclassified