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Remote Sens. 2013, 5(10), 4753-4773; doi:10.3390/rs5104753

Damage to Buildings in Large Slope Rock Instabilities Monitored with the PSInSAR™ Technique

1,* , 1
1 Department of Earth and Environmental Sciences, Università degli Studi di Milano-Bicocca, p.zza della Scienza 4, 20126 Milan, Italy 2 Tele-Rilevamento Europa T.R.E., Ripa di Porta Ticinese 79, 20143 Milan, Italy
* Author to whom correspondence should be addressed.
Received: 30 July 2013 / Revised: 17 September 2013 / Accepted: 17 September 2013 / Published: 25 September 2013
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The slow movement of active deep-seated slope gravitational deformations (DSGSDs) and deep-seated rockslides can cause damage to structures and infrastructures. We use Permanent Scatterers Synthetic Aperture Radar Interferometry (PSInSAR™) displacement rate data for the analysis of DSGSD/rockslide activity and kinematics and for the analysis of damage to buildings. We surveyed the degree of damage to buildings directly in the field, and we tried to correlate it with the superficial displacement rate obtained by the PSInSAR™ technique at seven sites. Overall, we observe that the degree of damage increases with increasing displacement rate, but this trend shows a large dispersion that can be due to different causes, including: the uncertainty in the attribution of the degree of damage for buildings presenting wall coatings; the complexity of the deformation for large phenomena with different materials and subjected to differential behavior within the displaced mass; the absence of differential superficial movements in buildings, due to the large size of the investigated phenomena; and the different types of buildings and their position along the slope or relative to landslide portions.
Keywords: deep-seated slope deformation; rock slide; PSInSAR™ displacements; damage; buildings deep-seated slope deformation; rock slide; PSInSAR™ displacements; damage; buildings
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Frattini, P.; Crosta, G.B.; Allievi, J. Damage to Buildings in Large Slope Rock Instabilities Monitored with the PSInSAR™ Technique. Remote Sens. 2013, 5, 4753-4773.

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