CUED Publications database

Two approaches to modelling the stability of the basilica of Vézelay

Tarrío, I and DeJong, MJ (2016) Two approaches to modelling the stability of the basilica of Vézelay. In: UNSPECIFIED pp. 299-306..

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© 2016 Taylor & Francis Group, London. The aim of this paper is to assess the suitability of the addition of the medieval flying buttresses to the basilica of Vézelay (France). First, a two-dimensional model of the building without these external elements was used to perform a thrust line analysis, which is based both on graphic statics and limit analysis. Subsequently, a three-dimensional numerical investigation using the Discrete Element Method (DEM) is presented. A comparison between the results of the two methods provides the basis for a discussion regarding whether or not the flying buttresses were necessary for the stability of the building, but also allows evaluation of the advantages and disadvantages of using thrust line and DEM analysis for complex masonry structures. The thrust line analysis provides a useful understanding of global equilibrium, and indicates how close the construction was to collapse without the flying buttresses, whereas the DEM analysis enables investigating additional parameters that may affect stability, and collapse mechanisms of the building.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:19
Last Modified: 22 May 2018 07:18