Computational framework for discontinuous modelling of masonry arch bridges

Thavalingam, A.; Bícanić, Nenad; Robinson, J.I.; Ponniah, D A

doi:10.1016/s0045-7949(01)00102-x

Cited by 100 publications

(45 citation statements)

References 12 publications

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“…Thus, over the past few decades a growing interest has developed in studying their behaviour up to collapse and assessing their ultimate load capacity. Significant laboratory and in-situ tests were carried out [3][4][5][6][7][8][9] and different analytical and numerical descriptions were proposed [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28]. Current modelling strategies for arches in masonry bridges are mainly based upon the use of limit analysis concepts [20][21][22], the finite element method (FEM) [13,24,25,26,27], the discrete element method [23] or discontinuous modelling techniques [19].…”

mentioning

confidence: 99%

Mesoscale partitioned analysis of brick-masonry arches

Zhang

Macorini

Izzuddin

2016

Engineering Structures

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confidence: 99%

Mesoscale partitioned analysis of brick-masonry arches

Zhang

Macorini

Izzuddin

2016

Engineering Structures

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“…This has produced, in the arched structures, a loss of shape with a large lowering in the crown of the arches, which also affected the overlying cross vaults. Considering these large deformations, for the present study, an approach based on rigid block analysis and discontinuous deformation analysis on two-dimensional plane-type elements was applied (Thavalingam et al, 2001, Giordano et al, 2002, in the UDEC environment. In general, the approach is applicable to all those systems that can be considered as an assemblage of elements (or blocks), generally rigid, which interact with each other (Lourenço, 2008, van Noort, 2012, Lourenço et al, 2007.…”

Section: The Model Of the Central Nave Of The Parma Cathedralmentioning

confidence: 99%

Laser-Scanner Survey of Structural Disorders: An Instrument To Inspect the History of Parma Cathedral’s Central Nave

Bruno

Coïsson

Cotti

2017

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:This paper presents the use of laser scanner derived data for the study of the structural disorders in the central nave of the Parma Cathedral. An accurate three-dimensional model of the entire nave was realized to investigate deformations, in order to reconstruct the original conformation and the subsequent evolutions, also in comparison with previous surveys. Specifically, for the analysis presented in the paper, seven scans were performed, one for each bay: the results allowed to compare the deformations on the seven vaults, on the transverse and diagonal arches, giving first hints on the possible differences in the behaviour between the different elements. The measures on the levels of floor and pillars bases were analysed in a historical monitoring approach, in order to retrace the evolution of the differential settlements in time, since the construction of the building. Moreover, a structural analysis has been carried out on one transverse arch with distinct element analysis, with two different approaches. In one case, the structure was inserted exactly as surveyed, and then subjected to the actions. In the second case, the original geometry, before the deformation, was retraced through a parametric approach and the structural analysis basically started at the beginning of the building's life, thus trying to model not only the present structural situation, but also the path which led to the current deformation. The results were particularly meaningful as they showed that in the first case, disregarding the footsteps of history, the stress pattern inside the masonry was very different from the one obtained in the second case, which is more likely to represent the present conditions.

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“…Thus, a large strain field is reachable. The third method is the use of a discrete element method (DEM) involving specific contact laws between distinct objects [10][11][12][13][14]. This method allows the failure behaviour of the structure to be studied more accurately.…”

Section: Introductionmentioning

confidence: 99%

2D-DEM modelling of the formwork removal of a rubble stone masonry bridge

Tran

Vincens

Morel

et al. 2014

Engineering Structures

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This study aims to determine the mechanical behaviour of a stone arch bridge during the phase of the formwork removal. This operation is the most delicate during construction, because it puts in charge the arch which must work in compression for stability. On-site measurements of the displacement of the arch voussoirs during the process of the formwork removal were carried out. Then, some mechanical tests were performed with the stones used in the construction to determine the mechanical properties required for modeling the structure by a discrete element method. This numerical approach has the ability to find the specific pattern of the displacement field observed on-site that could not have been found with a finite element method. The key feature is the rotation of the voussoirs which changes the location of the zones of contact from one to another. Therefore, the contacts from one to another are restricted to a small zone for the voussoirs close to the keystone.

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Computational framework for discontinuous modelling of masonry arch bridges

Cited by 100 publications

References 12 publications

Mesoscale partitioned analysis of brick-masonry arches

Mesoscale partitioned analysis of brick-masonry arches

Laser-Scanner Survey of Structural Disorders: An Instrument To Inspect the History of Parma Cathedral’s Central Nave

2D-DEM modelling of the formwork removal of a rubble stone masonry bridge

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