R. Fanti
Terrestrial laser scanning for rockfall stability analysis in the cultural heritage site of Pitigliano (Italy)
Fanti, R.; Gigli, G.; Lombardi, L.; Tapete, D.; Canuti, P.
Authors
G. Gigli
L. Lombardi
D. Tapete
P. Canuti
Abstract
Traditional surveying methods are often not sufficient to achieve a complete geomechanical characterization of the rock mass, to analyze the instability mechanisms threatening the cultural heritage of hilltop historic towns. In Pitigliano (Tuscany, Central Italy), terrestrial laser scanning was employed complementarily to conventional geomechanical techniques. The overall 3D survey of the exposed surfaces was combined with scanlines of the inner walls of the subterranean cavities running underneath the historic centre. The rock mass discontinuities geometry was extracted, and the most critical instability mechanisms were mapped, with particular interest in the potential impacts on the ancient buildings located along the cliff edge. The geomechanical analysis of the surveyed joint sets confirmed a structural control on the cliff morphology by two main joint sets. Thanks to the laser scanner-based kinematic analysis, flexural toppling and wedge failure were found as the main hazardous instability mechanisms in Pitigliano. Finally, the conservation criticalities were identified and a pilot monitoring system was installed in a sector highly susceptible to block detachment.
Citation
Fanti, R., Gigli, G., Lombardi, L., Tapete, D., & Canuti, P. (2013). Terrestrial laser scanning for rockfall stability analysis in the cultural heritage site of Pitigliano (Italy). Landslides, 10(4), 409-420. https://doi.org/10.1007/s10346-012-0329-5
Journal Article Type | Article |
---|---|
Publication Date | Aug 1, 2013 |
Deposit Date | Feb 10, 2015 |
Publicly Available Date | Feb 18, 2015 |
Journal | Landslides |
Print ISSN | 1612-510X |
Electronic ISSN | 1612-5118 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 4 |
Pages | 409-420 |
DOI | https://doi.org/10.1007/s10346-012-0329-5 |
Keywords | Terrestrial laser scanning, Kinematic analysis, Rockfall, Hazard assessment, Discontinuity extraction, Pitigliano (Italy). |
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© The Author(s) 2012. This article is published with open access at Springerlink.com
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