Integrated BIM and UAV-Based Oblique Photogrammetry for High-Precision Earthwork Volume Calculation and Verification: A Case Study of the Dawang Mountain Snow World Project

DOI: https://doi.org/10.62517/jiem.202503401

Author(s)

Yang Feng1, Lu Li2, Wei Zhang1,3,*, Zhi Wu2

Affiliation(s)

1School of Architecture and Planning, Hunan University, Changsha, Hunan, China 2The 3rd Engineering Company of China Fifth Engineering Bureau, Ltd., Changsha, Hunan, China 3Hunan Provincial Key Laboratory of Science for Urban and Rural Human Settlements in Hilly Regions, Changsha, Hunan, China *Corresponding Author

Abstract

In large-scale projects with complex geological conditions and harsh site environments, traditional earthwork data collection methods suffer from low accuracy, poor efficiency, and inadequate safety. Taking the Changsha Dawang Mountain Ice and Snow World project as a case study, this paper investigates the synergistic application of Building Information Modeling (BIM) and Unmanned Aerial Vehicle (UAV) oblique photogrammetry technology. By streamlining the technical process and establishing a collaborative path of “data collection-model fusion-dynamic optimization,” three key technical characteristics are identified: parametricity, visualization, and collaboration. The integration of these technologies highlights the primary advantages of precision and digitalization in achieving deep integration of data and scenarios, while the high efficiency and improved coordination lead to substantial economic benefits. Practical results demonstrate that BIM + UAV surveying technology can control elevation measurement errors within ±0.1m in pit terrain, with planar coordinate errors as low as 0.08m. Efficiency surpasses traditional methods by over 80%. This approach proposes comprehensive optimization for industry-standardized collaborative management and urgent technical challenges. This technology significantly enhances measurement accuracy in complex terrain earthwork data collection, thereby reducing result errors and boosting data acquisition efficiency. It provides both theoretical contributions and practical case studies for the collaborative advancement of BIM technology.

Keywords

BIM; UAV Oblique Photogrammetry; Earthwork Data Collection; Changsha Dawang Mountain Snow World

References

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