高陡岩质斜坡复杂结构面分布规律及统计均质区划分

潘晓娟; 张文; 孙琦; 蓝升; 董文川

doi:10.3799/dqkx.2023.083

Volume 49 Issue 9

Sep. 2024

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Article Navigation > Earth Science > 2024 > 49(9): 3334-3346

Pan Xiaojuan, Zhang Wen, Sun Qi, Lan Sheng, Dong Wenchuan, 2024. Complex Structural Plane Distribution of High-Steep Rock Slope and Division of Statistical Homogeneous Zones. Earth Science, 49(9): 3334-3346. doi: 10.3799/dqkx.2023.083

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Pan Xiaojuan, Zhang Wen, Sun Qi, Lan Sheng, Dong Wenchuan, 2024. Complex Structural Plane Distribution of High-Steep Rock Slope and Division of Statistical Homogeneous Zones. Earth Science, 49(9): 3334-3346. doi: 10.3799/dqkx.2023.083

Citation:

Pan Xiaojuan, Zhang Wen, Sun Qi, Lan Sheng, Dong Wenchuan, 2024. Complex Structural Plane Distribution of High-Steep Rock Slope and Division of Statistical Homogeneous Zones. Earth Science, 49(9): 3334-3346. doi: 10.3799/dqkx.2023.083

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Complex Structural Plane Distribution of High-Steep Rock Slope and Division of Statistical Homogeneous Zones

doi: 10.3799/dqkx.2023.083

College of Construction Engineering, Jilin University, Changchun 130026, China

Received Date: 2023-03-22
Available Online: 2024-10-16
Publish Date: 2024-09-25

Abstract

Abstract

In order to reasonably demarcate the structural homogeneity according to the spatial distribution characteristics of the structural plane, this paper takes the high-steep rock slope of the left bank of Dongcuoqu, Chada Village, Luolong County, Changdu City, Xizang as the research object, adopts the multi-angle nap-of-the-object photography technology to obtain the high-precision image data of the study area and realize the reconstruction of slope 3D real scene model and the interpretation of structural plane information. Based on plenty of structural plane investigations, the development and genetic mechanism of structural plane are analyzed. On the basis of the spatial distribution characteristics of discontinuities with considering the orientation and density, the intraclass correlation coefficient method was introduced, combined with Schmidt plot divided into 38 equal areas, to divide structural homogeneity of rock mass and compared with Pearson's correlation coefficient method. The results show that the slope structure is controlled by tectonic stress field, fault and weathering, with the orientation and density of structural plane distributed differently in space. In addition, the slope is finally divided into 14 different homogeneous zones. In view of the characteristics of spatial differentiation of the orientation and density of structural plane, Pearson's correlation coefficient method has a weak ability to discriminate the homogeneity between samples, while the intraclass correlation coefficient method has a better evaluation effect, which is more suitable for the division of statistical homogeneity of complex rock structure with certain application value.
- structural plane,
- distribution law,
- statistical homogeneity,
- intraclass correlation coefficient,
- multi-angle nap-of-the-object photogrammetry,
- slope stability,
- engineering geology

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References(53)

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Complex Structural Plane Distribution of High-Steep Rock Slope and Division of Statistical Homogeneous Zones

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