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http://dx.doi.org/10.22704/ksee.2022.40.4.015

A Study on the 3D Precise Modeling of Old Structures Using Merged Point Cloud from Drone Images and LiDAR Scanning Data  

Chan-hwi, Shin (전북대학교 에너지저장.변환공학과)
Gyeong-jo, Min (전북대학교 자원.에너지공학과)
Gyeong-Gyu, Kim (전북대학교 자원.에너지공학과)
PuReun, Jeon (전북대학교 에너지저장.변환공학과)
Hoon, Park ((주)코리아카코)
Sang-Ho, Cho (전북대학교 에너지저장.변환공학과)
Publication Information
Explosives and Blasting / v.40, no.4, 2022 , pp. 15-26 More about this Journal
Abstract
With the recent increase in old and dangerous buildings, the demand for technology in the field of structure demolition is rapidly increasing. In particular, in the case of structures with severe deformation of damage, there is a risk of deterioration in stability and disaster due to changes in the load distribution characteristics in the structure, so rapid structure demolition technology that can be efficiently dismantled in a short period of time is drawing attention. However, structural deformation such as unauthorized extension or illegal remodeling occurs frequently in many old structures, which is not reflected in structural information such as building drawings, and acts as an obstacle in the demolition design process. In this study, as an effective way to overcome the discrepancy between the structural information of old structures and the actual structure, access to actual structures through 3D modeling was considered. 3D point cloud data inside and outside the building were obtained through LiDAR and drone photography for buildings scheduled to be blasting demolition, and precision matching between the two spatial data groups was performed using an open-source based spatial information construction system. The 3D structure model was completed by importing point cloud data matched with 3D modeling software to create structural drawings for each layer and forming each member along the structure slab, pillar, beam, and ceiling boundary. In addition, the modeling technique proposed in this study was verified by comparing it with the actual measurement value for selected structure member.
Keywords
Explosive demolition; Reverse engineering; Drone Images; 3D LiDAR Scanner; Structural analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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