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Title |
Development of PCD and Parametric Based Retaining wall BIM Models for Maintenance
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Authors |
마수빈(Su-Been Ma) ; 이민진(Min-Jin Lee) ; 양다현(Da-Hyeon Yang) ; 정현진(Hyun-Jin Jung) ; 이종한(Jong-Han Lee) |
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DOI |
https://doi.org/10.11112/jksmi.2024.28.6.88 |
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Keywords |
Scan-to-BIM; 파라메트릭; 레이저 스캐너; 포인트 클라우드 데이터; 옹벽 Scan-to-BIM; Parametric; LiDAR; Point Cloud Data(PCD); Retaining wall |
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Abstract |
This study introduces a technique for generating parametric BIM models of retaining walls using point cloud data (PCD). Efficient maintenance requires reflecting the current representation of retaining walls, accounting for any discrepancies between the as-built structure and initial drawing. For this, a RANSAC-based algorithm was employed to extract the height and path coordinates from acquired and refined PCD. BIM models were then automatically generated by defining sectional parameters. Applied to a real retaining wall, the algorithm demonstrated a maximum height extraction error of 1.77% and a path coordinate extraction error of 0.88%. This method offers a way to automatically generate BIM models, even when basic data is limited, and there is a the potential to enhance the efficiency of retaining wall maintenance.
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