Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi

Despite drones being successfully utilized for monitoring and detecting hazards in mines, there is limited research on their application for open-pit stockpile volumetric computation compared to traditional methods. Furthermore, time, cost, and safety have challenged the use of the traditional appro...

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Main Authors: Jabulani Matsimbe, Wisdom Mdolo, Charles Kapachika, Innocent Musonda, Megersa Dinka
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-11-01
Series:Frontiers in Built Environment
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fbuil.2022.1037487/full
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author Jabulani Matsimbe
Jabulani Matsimbe
Jabulani Matsimbe
Wisdom Mdolo
Charles Kapachika
Innocent Musonda
Megersa Dinka
author_facet Jabulani Matsimbe
Jabulani Matsimbe
Jabulani Matsimbe
Wisdom Mdolo
Charles Kapachika
Innocent Musonda
Megersa Dinka
author_sort Jabulani Matsimbe
collection DOAJ
description Despite drones being successfully utilized for monitoring and detecting hazards in mines, there is limited research on their application for open-pit stockpile volumetric computation compared to traditional methods. Furthermore, time, cost, and safety have challenged the use of the traditional approach. Present study aims to fill the gaps by conducting a comparative analysis of stockpile volumetric computation utilizing a drone and traditional approach. A mapping framework is proposed to guide mine personnel on how to conduct open-pit stockpile volumetric computations. The methodology comprises using a drone and traditional survey approach to measure the volume of a known quarry stockpile. Drone-captured images are processed in Pix4D mapper software and geometric techniques are applied to the traditional survey approach. Findings show that the smaller the error of the checkpoints the more accurate the generated model making the measurements reliable. The generated Pix4D quality report showed a root mean square error of 0.019. The drone percentage error to the actual volume is 2.6% while the traditional approach is 1.3%. Both estimations are less than the maximum allowable percentage error of ± 3%. Therefore, compared to the traditional approach drone technology provides an accurate, cost-effective, fast, and safe working distance suitable for stockpile volumetric computations in open pit quarries.
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spelling doaj.art-4df5e69fd1644645996e476a644a1f0c2022-12-22T03:29:47ZengFrontiers Media S.A.Frontiers in Built Environment2297-33622022-11-01810.3389/fbuil.2022.10374871037487Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, MalawiJabulani Matsimbe0Jabulani Matsimbe1Jabulani Matsimbe2Wisdom Mdolo3Charles Kapachika4Innocent Musonda5Megersa Dinka6Centre for Applied Research and Innovation in the Built Environment (CARINBE), Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg, South AfricaDepartment of Civil Engineering Science, Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg, South AfricaDepartment of Mining Engineering, Malawi University of Business and Applied Sciences, Blantyre, MalawiDepartment of Mining Engineering, Malawi University of Business and Applied Sciences, Blantyre, MalawiDepartment of Land Surveying, Malawi University of Business and Applied Sciences, Blantyre, MalawiCentre for Applied Research and Innovation in the Built Environment (CARINBE), Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg, South AfricaDepartment of Civil Engineering Science, Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg, South AfricaDespite drones being successfully utilized for monitoring and detecting hazards in mines, there is limited research on their application for open-pit stockpile volumetric computation compared to traditional methods. Furthermore, time, cost, and safety have challenged the use of the traditional approach. Present study aims to fill the gaps by conducting a comparative analysis of stockpile volumetric computation utilizing a drone and traditional approach. A mapping framework is proposed to guide mine personnel on how to conduct open-pit stockpile volumetric computations. The methodology comprises using a drone and traditional survey approach to measure the volume of a known quarry stockpile. Drone-captured images are processed in Pix4D mapper software and geometric techniques are applied to the traditional survey approach. Findings show that the smaller the error of the checkpoints the more accurate the generated model making the measurements reliable. The generated Pix4D quality report showed a root mean square error of 0.019. The drone percentage error to the actual volume is 2.6% while the traditional approach is 1.3%. Both estimations are less than the maximum allowable percentage error of ± 3%. Therefore, compared to the traditional approach drone technology provides an accurate, cost-effective, fast, and safe working distance suitable for stockpile volumetric computations in open pit quarries.https://www.frontiersin.org/articles/10.3389/fbuil.2022.1037487/fullland surveyingmining4IRphotogrammetrypoint cloudquarry
spellingShingle Jabulani Matsimbe
Jabulani Matsimbe
Jabulani Matsimbe
Wisdom Mdolo
Charles Kapachika
Innocent Musonda
Megersa Dinka
Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
Frontiers in Built Environment
land surveying
mining
4IR
photogrammetry
point cloud
quarry
title Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
title_full Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
title_fullStr Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
title_full_unstemmed Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
title_short Comparative utilization of drone technology vs. traditional methods in open pit stockpile volumetric computation: A case of njuli quarry, Malawi
title_sort comparative utilization of drone technology vs traditional methods in open pit stockpile volumetric computation a case of njuli quarry malawi
topic land surveying
mining
4IR
photogrammetry
point cloud
quarry
url https://www.frontiersin.org/articles/10.3389/fbuil.2022.1037487/full
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