S. Michele Basilica is the most ancient Romanesque church (XII Century) in Pavia and one of the best of that period in all the North of Italy. Here kings and emperors were crowned during the Middle Ages. The facade of the Basilica, built in sandstone is rich in bas relieves. Due to many causes, such as atmospheric pollution and others which are not well known, the facade has been seriously damaged during the last forty years. The most impressive damage due to atmospheric pollution is the bas relieves continuous erosion. In ‘70s a large part of the facade has been surveyed by the usual close range photogrammetric techniques. In 1999 all the facade has been surveyed. This paper presents the results of the first comparison between the new close range photogrammetry survey and the previous one, of ‘70s.
EROSION EVALUATION OF THE BAS RELIEVES OF SAN MICHELE BASILICA IN PAVIA
SPALLA, ANNA;CASELLA, VITTORIO
2000-01-01
Abstract
S. Michele Basilica is the most ancient Romanesque church (XII Century) in Pavia and one of the best of that period in all the North of Italy. Here kings and emperors were crowned during the Middle Ages. The facade of the Basilica, built in sandstone is rich in bas relieves. Due to many causes, such as atmospheric pollution and others which are not well known, the facade has been seriously damaged during the last forty years. The most impressive damage due to atmospheric pollution is the bas relieves continuous erosion. In ‘70s a large part of the facade has been surveyed by the usual close range photogrammetric techniques. In 1999 all the facade has been surveyed. This paper presents the results of the first comparison between the new close range photogrammetry survey and the previous one, of ‘70s.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
