受控实验条件下岩面复刻方向检测与提取方法定量评价

IF 3.3 2区工程技术 Q3 ENERGY & FUELS

Geomechanics for Energy and the Environment Pub Date : 2025-03-08 DOI:10.1016/j.gete.2025.100649

Nirandoal Cheng , Tan Yon Ken , Mohd Ashraf Mohamad Ismail , Fatin Nadhirah Ahmad Pauzi , Nursyahirah Mohd Saleh , Yasuhiro Yokota

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引用次数: 0

摘要

在各种工程应用中，如隧道掘进、采矿和边坡稳定性分析，不连续岩体特性的表征对于理解岩体的行为至关重要。本研究提出了一种利用图像分析技术检测和提取不连续岩石面复制品方向的创新方法。本研究采用的图像分析技术包括使用Agisoft Metashape中的高级算法来处理数字密集点云，从而在CloudCompare软件中识别不连续面并提取倾角和倾角方向。利用倾角和倾角方向测量的均方根误差（RMSE）对图像分析技术的性能进行了评估。倾角的RMSE值为1.97，倾角方向的RMSE值为2.34，表明平面内探测精度高，可靠性高。此外，观察到的差异范围在倾角5度以内，倾角方向在13度以内。这些结果支持RMSE的解释，突出了倾角在图像分析中的敏感性。

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Quantitative assessment of rock plane replica orientation detection and extraction methods under controlled experimental conditions

The characterization of discontinuous rock mass properties is essential for understanding the behaviour of rock masses in various engineering applications, such as tunnelling, mining, and slope stability analysis. This study presents an innovative approach for detecting and extracting the orientations of discontinuous rock plane replicas using image analysis techniques. The image analysis technique employed in this research involves the use of advanced algorithms in Agisoft Metashape to process digital dense point clouds, enabling the identification of discontinuities and the extraction of dip and dip direction in CloudCompare software. The performance of the image analysis technique was evaluated using the Root Mean Square Error (RMSE) for dip and dip direction measurements. The RMSE values were 1.97 for dip and 2.34 for dip direction, indicating high accuracy and reliability in-plane detection. Additionally, the range of differences observed was within 5 degrees for dip and within 13 degrees for dip direction. These results support the interpretation of RMSE, highlighting the sensitivity of dip direction in image analysis.

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来源期刊

Geomechanics for Energy and the Environment Earth and Planetary Sciences-Geotechnical Engineering and Engineering Geology

CiteScore

5.90

自引率

11.80%

发文量

期刊介绍： The aim of the Journal is to publish research results of the highest quality and of lasting importance on the subject of geomechanics, with the focus on applications to geological energy production and storage, and the interaction of soils and rocks with the natural and engineered environment. Special attention is given to concepts and developments of new energy geotechnologies that comprise intrinsic mechanisms protecting the environment against a potential engineering induced damage, hence warranting sustainable usage of energy resources. The scope of the journal is broad, including fundamental concepts in geomechanics and mechanics of porous media, the experiments and analysis of novel phenomena and applications. Of special interest are issues resulting from coupling of particular physics, chemistry and biology of external forcings, as well as of pore fluid/gas and minerals to the solid mechanics of the medium skeleton and pore fluid mechanics. The multi-scale and inter-scale interactions between the phenomena and the behavior representations are also of particular interest. Contributions to general theoretical approach to these issues, but of potential reference to geomechanics in its context of energy and the environment are also most welcome.