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SfM-MVS Photogrammetry for Rockfall Analysis and Hazard Assessment Along the Ancient Roman Via Flaminia Road at the Furlo Gorge (Italy)
Open AccessArticle

Application of Remote Sensing Data for Evaluation of Rockfall Potential within a Quarry Slope

1
Camborne School of Mines, University of Exeter, Penryn TR10 9FE, Cornwall, UK
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CGT Spinoff Srl, Via Vetri Vecchi 34, 52027 S. Giovanni Valdarno, AR, Italy
3
Department of Engineering and Geology, University of Chieti-Pescara, 66100 Chieti, Italy
4
Imerys Minerals Ltd., St Georges Rd, Nanpean PL26 7XR, Cornwall, UK
*
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2019, 8(9), 367; https://doi.org/10.3390/ijgi8090367
Received: 12 July 2019 / Revised: 16 August 2019 / Accepted: 19 August 2019 / Published: 22 August 2019
(This article belongs to the Special Issue Applications of Photogrammetry for Environmental Research)
In recent years data acquisition from remote sensing has become readily available to the quarry sector. This study demonstrates how such data may be used to evaluate and back analyse rockfall potential of a legacy slope in a blocky rock mass. Use of data obtained from several aerial LiDAR (Light Detection and Ranging) and photogrammetric campaigns taken over a number of years (2011 to date) provides evidence for potential rockfall evolution from a slope within an active quarry operation in Cornwall, UK. Further investigation, through analysis of point cloud data obtained from terrestrial laser scanning, was undertaken to characterise the orientation of discontinuities present within the rock slope. Aerial and terrestrial LiDAR data were subsequently used for kinematic analysis, production of surface topography models and rockfall trajectory analyses using both 2D and 3D numerical simulations. The results of an Unmanned Aerial Vehicle (UAV)-based 3D photogrammetric analysis enabled the reconstruction of high resolution topography, allowing one to not only determine geometrical properties of the slope surface and geo-mechanical characterisation but provide data for validation of numerical simulations. The analysis undertaken shows the effectiveness of the existing rockfall barrier, while demonstrating how photogrammetric data can be used to inform back analyses of the underlying failure mechanism and investigate potential runout. View Full-Text
Keywords: rockfall hazard; slope stability; remote sensing; LiDAR; SfM-MVS; photogrammetry rockfall hazard; slope stability; remote sensing; LiDAR; SfM-MVS; photogrammetry
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MDPI and ACS Style

Robiati, C.; Eyre, M.; Vanneschi, C.; Francioni, M.; Venn, A.; Coggan, J. Application of Remote Sensing Data for Evaluation of Rockfall Potential within a Quarry Slope. ISPRS Int. J. Geo-Inf. 2019, 8, 367.

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