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Continuous structural monitoring of adobe buildings: summary of a three years experience in Peru

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Resumo:The paper describes in detail the application of a vibration-based structural health monitoring system installed in the "San Pedro Apostol" church of Andahuaylillas located in Cusco (Peru), a 16th century adobe church considered a representative example of South America baroque architecture. The results of three years of long-term vibration and temperature and humidity monitoring program are reported in detail in the paper, with a focus on the long-term and short-term correlations between natural frequencies and environmental parameters. The results demonstrate that an accurate estimation of the first eight frequencies in the range 2-6 Hz is possible in the case of complex adobe structure and the existence of an annual cyclical behavior of the natural frequencies with a clear correspondence with the changes in environmental conditions due to seasonal influences. The performed correlations of ambient conditions and structural parameters confirmed the presence of different timescales and their not negligible influence in the case of a vibration-based structural health monitoring assessment of adobe systems with large thermal inertia large thermal inertia.
Autores principais:Zonno, Giacomo
Outros Autores:Aguilar, Rafael; Boroschek, Ruben; Lourenço, Paulo B.
Assunto:Historic structure Andean church Structural monitoring Environmental monitoring Correlation analysis
Ano:2021
País:Portugal
Tipo de documento:comunicação em conferência
Tipo de acesso:acesso restrito
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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