Non-linear Modelling Of The Elliptical Dome Of
The Sanctuary At Vicoforte
Author(s)
C. Calderini, M. A. Chiorino, S. Lagomarsino & A. Spadafora
Abstract
With its internal axes of 37.23 by 24.89 m, the dome of the Sanctuary of
Vicoforte, Italy, is the fifth biggest in the world in absolute term, and by far the
largest elliptical dome ever built. The dome-drum system has suffered since the
beginning from significant structural problems, partly due to soil settlements and
arising from its bold structural configuration. This paper deals with the
modelling strategies adopted in the assessment of the structural reliability of the
monument, a project undertaken in recent years following the strengthening
intervention operated in 1985 with the application of active tie-bars around the
perimeter at the top of the drum. The structural behaviour of the construction
was modelled according to two different approaches: limit analysis and finite
element analysis (linear and non-linear). This paper presents the results obtained
by non-linear constitutive models for the masonry.
Keywords: masonry elliptical dome, non-linear finite elements analysis.
1 Introduction
The Sanctuary of Vicoforte (Cuneo, Italy), is a building of great historical,
architectural and structural significance, owing its fame primarily to the great
masonry elliptical dome (Figures 1(a)–(b)), which is the biggest in the world of
this shape in terms of overall dimensions (internal axes 37.23 by 24.89 m).
Originally conceived by Duke Charles Emmanuel I of Savoy to serve as the
mausoleum of the dynasty, the Sanctuary of Vicoforte began to be constructed in
1596, based on a project by architect Ascanio Vittozzi (1583-1615). Since the
Keywords
masonry elliptical dome, non-linear finite elements analysis
Related Book
Other papers in this volume
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