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  •   Open Research
  • AUT Faculties
  • Faculty of Design and Creative Technologies (Te Ara Auaha)
  • School of Engineering, Computer and Mathematical Sciences - Te Kura Mātai Pūhanga, Rorohiko, Pāngarau
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Application Of Combined Terrestrial Laser Scanning And Unmanned Aerial Vehicle Digital Photogrammetry Method In High Rock Slope Stability Analysis: A CASE Study

Ismail, A; Safuan A Rashid, A; Sa'ari, R; Wahid Rasib, A; Mustaffar, M; Asnida Abdullah, R; Kassim, A; Mohd Yusof, N; Abd Rahaman, N; Kalatehjari, R
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Permanent link
http://hdl.handle.net/10292/15088
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Abstract
Recent advancements in remote sensing techniques have made it possible to overcome the risky issues using conventional methods and have opened up new opportunities for collecting data on discontinuity characteristics. This research compares the application of a Terrestrial Laser Scanner (TLS) and Unmanned Aerial Vehicle (UAV) in rock slope stability analysis. Two case studies, Ulu Choh Quarry and Jelapang Rock Slope are analysed using Kinematic Analysis and Slope Mass Rating (SMR) to depict rock through the 3D point cloud. The techniques are compared with the hand mapping method concerning the accuracy of the data acquisition in assessing the rock slope. The standard deviation for the dip and dip direction between digital capture and hand mapping is 2.97° and 2.86°, which falls under the acceptable tolerance limit. The integration of UAV and TLS also generates excellent clear point cloud data from the top to the toe of the slope.
Keywords
Rock Slope Stability; 3D point cloud; Discontinuity extraction; Terrestrial Laser Scanner; Unmanned Aerial Vehicle
Date
April 2022
Source
Measurement (2022), doi: https://doi.org/10.1016/j.measurement.2022.111161
Item Type
Journal Article
Publisher
Elsevier BV
DOI
10.1016/j.measurement.2022.111161
Publisher's Version
https://www.sciencedirect.com/science/article/abs/pii/S0263224122004183
Rights Statement
Copyright © 2022 Elsevier Ltd. All rights reserved. This is the author’s version of a work that was accepted for publication in (see Citation). Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. The definitive version was published in (see Citation). The original publication is available at (see Publisher's Version).

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