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http://dx.doi.org/10.5345/JKIBC.2022.22.6.681

Estimation Method of the Amount of Demolition Waste through Automated Calculation of Volumetric Spaces using Drones  

Ryu, Jung-Rim (School of Architectue, Kyungpook National University)
Kim, Hye-Ri (School of Architectue, Kyungpook National University)
Park, Won-Jun (Department of Architectural Engineering, Kangwon National University)
Publication Information
Journal of the Korea Institute of Building Construction / v.22, no.6, 2022 , pp. 681-688 More about this Journal
Abstract
In this study, the process of drone photography, automatic volume calculation, total floor area conversion, and waste calculation was constructed as a QGIS plug-in to predict the demolition waste (DW) generated in an aged area where drawing information or building information is uncertain. Through a case study, the high consistency between the automatically calculated volume using the drone and the BIM volume based on the field measurement was confirmed. Field application was carried out for the planned demolition work site, and the consistency between the drone-based volume and the actual measurement-BIM-based volume was reconfirmed. The waste generation unit was applied and the amount of DW was calculated by setting the floor height and building type, and the entire process was completed within 6 hours. Although the difference between building information and building objects through drones occurred according to the setting of temporary structures, loads, and floor heights, it was found that the actual amount of DW was generated more than the initial estimate. It is expected that measures to improve the accuracy of volume and floor area conversion will be required through case studies in the future.
Keywords
demolition waste; BIM; drone; volume calculation; waste estimation;
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