Browsing by Author "Saloustros, Savvas"
Now showing items 1-20 of 30
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A crack-tracking technique for localized cohesive-frictional damage
(2015-12-01)
Article
Open AccessThis paper extends the use of crack-tracking techniques within the smeared crack approach for the numerical simulation of cohesive-frictional damage on quasi-brittle materials. The mechanical behaviour is described by an ... -
A macro-modelling finite element technique for the realistic simulation of cracking in masonry structures
(CRC Press, 2016)
Conference report
Restricted access - publisher's policyThis paper presents an improved computational model for the analysis of masonry structures based on continuum mechanics finite element approaches. The proposed numerical technique uses a cracktracking algorithm to model ... -
Accurate and locking-free analysis of beams, plates and shells using solid elements
(Springer, 2021-03)
Article
Open AccessThis paper investigates the capacity of solid finite elements with independent interpolations for displacements and strains to address shear, membrane and volumetric locking in the analysis of beam, plate and shell structures. ... -
An enhanced finite element macro-model for the realistic simulation of localized cracks in masonry structures: a large-scale application
(Taylor & Francis, 2018-03)
Article
Open AccessFinite element macro-modelling approaches are widely used for the analysis of large-scale masonry structures. Despite their efficiency, they still face two important challenges: the realistic representation of damage and ... -
Analytical derivation of seismic fragility curves for historical masonry structures based on stochastic analysis of uncertain material parameters
(Taylor & Francis, 2019-10)
Article
Open AccessThis work presents a probabilistic method to assess the seismic vulnerability of historical masonry structures, such as churches or cathedrals, including uncertainty analysis of the material parameters. The proposed approach ... -
Assessment of structural damage in historical constructions using numerical models : the case of the church of the Poblet Monastery
(2014)
Conference report
Open AccessThis paper presents the assessment of the structural damage and stability of the church of the Royal Monastery of Santa Maria de Poblet, one of the UNESCO World Heritage sites in Spain. The structure presents damage ... -
Challenges posed by computational modelling and nonlinear analysis of complex historical masonry structures
(Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2019)
Conference report
Restricted access - publisher's policyThis study analyses some of the most common challenges encountered in numerical modelling and nonlinear analysis of complex historical masonry structures of the built cultural heritage. The research highlights the need for ... -
Challenges, tools and applications of tracking algorithms in the numerical modelling of cracks in concrete and masonry structures
(2019-09)
Article
Open AccessThe importance of crack propagation in the structural behaviour of concrete and masonry structures has led to the development of a wide range of finite element methods for crack simulation. A common standpoint in many of ... -
Cylindrical samples of brick masonry with aerial lime mortar under compression: experimental and numerical study
(Elsevier, 2019-12)
Article
Open AccessThis research presents an experimental and numerical study focusing on the compression test of cylindrical samples core drilled from existing masonry walls. This method is suitable for the minor destructive assessment of ... -
Effect of pier-spandrel geometry on the in-plane response of masonry structures
(Taylor & Francis, 2016)
Conference report
Restricted access - publisher's policyThis paper presents a numerical study on the effect of the relative geometry between piers and spandrels in the structural response of regular masonry frames against horizontal loading. A sensitivity analysis is carried ... -
Experimental and numerical insights on the diagonal compression test for the shear characterisation of masonry
(Elsevier, 2021-06)
Article
Open AccessThe masonry tensile strength and shear modulus play a key role in the definition of the shear capacity of masonry structures. These properties are often determined experimentally by means of the diagonal compression test ... -
Experimental setup and numerical evaluation of the compression test on thin tiles for masonry timbrel vaults
(Elsevier, 2021-12)
Article
Open AccessCompressive tests on clay tiles used in historical masonry timbrel vaults are hindered by the relatively small thickness of the specimens, resulting in buckling or confinement problems depending on the loading direction. ... -
Experimental testing and structural analysis of composite tile - reinforced concrete domes
(Elsevier, 2023-06-27)
Article
Open AccessConventional formworks for concrete curved shells either are expensive, complex and wasteful or have formal restrictions. Using tile vaults (also known as timbrel, Guastavino, thin-tile or Catalan vaults) as stay-in-place ... -
Finite element modelling of internal and multiple localized cracks
(2017-02)
Article
Open AccessTracking algorithms constitute an efficient numerical technique for modelling fracture in quasi-brittle materials. They succeed in representing localized cracks in the numerical model without mesh-induced directional bias. ... -
Historical development and seismic performance of unreinforced masonry buildings with vertical extensions in the city centre of Barcelona
(2023-12)
Article
Open AccessThis paper presents the historical development of the vertical extensions of unreinforced masonry buildings in the Eixample district of Barcelona and their impact on the seismic behaviour. Existing masonry buildings of ... -
Modelling of in-plane seismic behaviour of one-way steel or timber jack arch floors in existing buildings: application to the Eixample district of Barcelona
(2022-07)
Article
Open AccessThe type of floor system has a decisive role in the seismic performance of unreinforced masonry buildings. The in-plane stiffness of the floors has to be adequately represented in the numerical modelling of existing ... -
Nonlinear numerical modelling of complex masonry heritage structures considering history-related phenomena in staged construction analysis and material uncertainty in seismic assessment
(2020-10)
Article
Open AccessThis paper presents the systematic use of numerical analysis as a tool for addressing some of the most common challenges encountered in the structural analysis of complex historical masonry structures, i.e. the description ... -
Numerical analysis of structural damage in the church of the Poblet Monastery
(Elsevier, 2014-10-13)
Article
Restricted access - publisher's policyIdentifying the possible causes of existing damage in historical structures is a complex task. Common difficulties are the limited information regarding the history of the construction, the properties of materials and the ... -
Out-of-plane seismic response and failure mechanism of masonry structures using finite elements with enhanced strain accuracy
(Elsevier, 2019-03)
Article
Open AccessThe out-of-plane response is a complex and at the same time key aspect of the seismic vulnerability of masonry structures. It depends on several factors, some of which are the material properties, the quality of the walls, ... -
Photogrammetry-aided numerical seismic assessment of historical structures composed of adobe, stone and brick masonry: application to the San Juan Bautista Church built on the Inca temple of Huaytará, Peru
(Elsevier, 2024-04)
Article
Open AccessThis research presents a cost-effective surveying methodology to assist the seismic assessment of complex heritage buildings, based on terrestrial structure-from-motion (SfM) photogrammetry. The method was applied to the ...
