Effects of temperature and humidity excursions and wind exposure on the arch of Augustus in Aosta |
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| Authors: | Denise Ponziani Enrico Ferrero Lorenzo Appolonia Simonetta Migliorini |
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| Institution: | 1. Laboratorio di Analisi Scientifiche, Direzione Ricerca e Progetti Cofinanziati, Regione Autonoma Valle d’Aosta, Piazza Narbonne 1, 11100 Aosta, Italy;2. Dipartimento di Scienze e Tecnologie Avanzate, Università del Piemonte Orientale “Amedeo Avogadro”, viale Teresa Michel 11, 15121 Alessandria, Italy;3. Direzione Ricerca e Progetti Cofinanziati, Soprintendenza per i Beni e le Attività Culturali, Regione, Autonoma Valle d’Aosta, Piazza Narbonne 1, 11100 Aosta, Italy |
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| Abstract: | This study presents the results of the microclimate monitoring of the Arch of Augustus. This is a monument from the Roman era, situated in an urban area in the Western Alpine region of Aosta Valley, Italy. Measurements were carried out on different monument positions, corresponding to the four faces and below the vault. The measurements refer to air and surface temperature, air relative humidity, wind speed and direction. The environmental conditions are described in order to underline the differences among the four faces of the monument and to explain the nature of the decay observed on the monument. The damage risk, caused by the occurrence of phenomena like freezing-thawing cycles, thermal stress and water condensation, is estimated by relating microclimatic conditions to the stone damage processes. The results are compared to the decay map and the correlation between damage and microclimate are finally discussed. |
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