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Erschienen in: Environmental Earth Sciences 8/2019

01.04.2019 | Original Article

Multistep rocky slope stability analysis based on unmanned aerial vehicle photogrammetry

verfasst von: Shuhong Wang, Zishan Zhang, Cungen Wang, Chengjin Zhu, Yipeng Ren

Erschienen in: Environmental Earth Sciences | Ausgabe 8/2019

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Abstract

High-steep slope information collection and multistep rocky slope stability analysis play an important role in slope engineering. However, traditional on-site investigations suffer from terrain restrictions and data omissions. This paper presents a block identification method based on UAV (unnamed aerial vehicle) photogrammetry and its computer implementation. An SfM (structure from motion) method is introduced and a 3D reconstruction software-PhotoScan was used to build the DEM (digital elevation model) of the rock mass for real-time monitoring. Then, an RANSAC (random sample consensus) shape detection algorithm was used to search the structural planes in the point cloud model. A computer program GeoSMA-3D (geotechnical structure and model analysis-3D) has been developed to implement engineering applications and a case study was carried out which confirmed the efficiency of the method in dealing with complex surface modeling and multistep rocky slope stability analysis.

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Metadaten
Titel
Multistep rocky slope stability analysis based on unmanned aerial vehicle photogrammetry
verfasst von
Shuhong Wang
Zishan Zhang
Cungen Wang
Chengjin Zhu
Yipeng Ren
Publikationsdatum
01.04.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Environmental Earth Sciences / Ausgabe 8/2019
Print ISSN: 1866-6280
Elektronische ISSN: 1866-6299
DOI
https://doi.org/10.1007/s12665-019-8145-z

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