Journal
INTERNATIONAL JOURNAL OF ARCHITECTURAL HERITAGE
Volume 11, Issue 4, Pages 501-518Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15583058.2016.1263691
Keywords
Automatic monitoring system; continuous monitoring; dynamic measurements; experimental techniques; restoration; static measurements; structural health monitoring
Funding
- Veneranda Fabbrica del Duomo
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Health assessment of historical buildings by means of monitoring systems is for sure a fundamental step to preserve architectural heritage, especially for countries as Italy, rich in ancient monuments. Events such as earthquakes or severe weather phenomena constitute a major risk for these buildings because of their age and the related weakness to sustain exceptional excitations. The availability of a continuous, real-time, and automatic structural health monitoring system is considered a useful tool for early detection of a potentially dangerous situation for the structure and its occupants. The choice of the best measurement strategy provided by the monitoring system is crucial: a compromise must be found between the need of information, complexity of the measuring system and the related costs.Due to the difficulty in modelling most historical structures, it is a hard task to fix proper and safe limits relying on model-generated predictions only. The availability of long-term records of the structural response can help get this goal, not just relying on models, but also detecting changes in some parameters obtained from time records.This article presents a challenging example: the structural health monitoring of the Duomo di Milano main spire during and after restoration.
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