Towers in San Gimignano: Metric Survey Approach
Publication: Journal of Performance of Constructed Facilities
Volume 31, Issue 6
Abstract
This paper presents the contribution of geomatics to the Seismic Risk of Monumental Buildings (RiSEM) project and illustrates the metric survey that was conducted on several towers in San Gimignano. Three-dimensional (3D) models and other graphical documentation supported the seismic vulnerability assessment, as required by Italian regulations. After the evaluation of still available databases, a laser scanning technique was chosen for acquiring 3D and high-resolution data, providing an exhaustive description, albeit limited to the external walls, of the towers under investigation. Through the accurate analysis of the structures, different graphical outputs have been defined for documentation purposes, describing the geometric characteristics of the towers, and for the assessment of a structure’s stability.
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Acknowledgments
The paper presents the results reached by the geomatic team involved in the RiSEM project, financially supported by the Region of Tuscany (PAR FAS 2007–2013—line 1.1.a.3: Science and Technology for the preservation and enhancement of cultural heritage). Dr. Nadia Guardini and Dr. Alessia Nobile dealt with the topics here presented, among others, in their Ph.D. theses (under the supervision of prof. Grazia Tucci) and participated in the survey campaign and data elaboration, also supported by Architect Laura Bucalossi.
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Published In
Journal of Performance of Constructed Facilities
Volume 31 • Issue 6 • December 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Aug 16, 2016
Accepted: Apr 26, 2017
Published online: Sep 25, 2017
Published in print: Dec 1, 2017
Discussion open until: Feb 25, 2018
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