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| DOI | 10.1007/s10064-024-03646-5 |
| Research on fine collection and interpretation methods of discontinuities on high-steep rock slopes based on UAV multi-angle nap-of-the-object photogrammetry | |
| 发表日期 | 2024 |
| ISSN | 1435-9529 |
| EISSN | 1435-9537 |
| 起始页码 | 83 |
| 结束页码 | 4 |
| 卷号 | 83期号:4 |
| 英文摘要 | The rapid and accurate acquisition of discontinuity parameters of rock masses is of paramount significance for the stability assessment of rock slopes. However, the complex and hazardous terrain of high-steep rock slopes poses challenges to conventional survey methods. Given this, this study proposes the unmanned aerial vehicle (UAV) multi-angle nap-of-the-object photogrammetry technology. This method can comprehensively consider the terrain development characteristics of high-steep rock slopes and the orientation characteristics of dominant discontinuity sets. With trained pilots, high-quality image acquisition with millimeter resolution can be achieved. This method effectively overcomes issues like texture distortion, shadow obstruction, and low resolution commonly found in conventional UAV 3D models. Subsequently, a novel non-contact method is presented for obtaining discontinuity parameters, including orientation, trace length, spacing, aperture, and roughness, based on the 3D real-scene model of the slope. The feasibility and reliability of this method are verified by collecting 1728 discontinuities along the 1300-m length of a rock slope at a construction site on a railway in southeastern Tibet. A comparison with manually measured results indicates average differences of 2 degrees for dip and dip direction; 1.3 cm and 9 mm for trace length and aperture, respectively; and 1.89 for JRC. The study also reveals that the effective resolution of the 3D model is approximately 1 to 2 times the theoretical resolution of a UAV image, providing crucial guidance for obtaining high-quality images on high-steep rock slopes. The method proposed in this study holds significant practical value in the stability assessment and disaster prevention of rock slopes. |
| 英文关键词 | High-steep rock slope; Discontinuity; Parameter interpretation; UAV oblique photogrammetry; UAV multi-angle nap-of-the-object photogrammetry |
| 语种 | 英语 |
| WOS研究方向 | Engineering ; Geology |
| WOS类目 | Engineering, Environmental ; Engineering, Geological ; Geosciences, Multidisciplinary |
| WOS记录号 | WOS:001191325100001 |
| 来源期刊 | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/301661 |
| 作者单位 | Jilin University; Jilin University |
| 推荐引用方式 GB/T 7714 | . Research on fine collection and interpretation methods of discontinuities on high-steep rock slopes based on UAV multi-angle nap-of-the-object photogrammetry[J],2024,83(4). |
| APA | (2024).Research on fine collection and interpretation methods of discontinuities on high-steep rock slopes based on UAV multi-angle nap-of-the-object photogrammetry.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,83(4). |
| MLA | "Research on fine collection and interpretation methods of discontinuities on high-steep rock slopes based on UAV multi-angle nap-of-the-object photogrammetry".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 83.4(2024). |
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