边坡勘察钻孔信息价值评价及优化布置方法

胡金政; 张洁; 黄宏伟; 郑建国

doi:10.3799/dqkx.2022.216

Volume 48 Issue 5

May 2023

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Article Navigation > Earth Science > 2023 > 48(5): 1977-1988

Hu Jinzheng, Zhang Jie, Huang Hongwei, Zheng Jianguo, 2023. Value of Information Assessment and Optimization of Slope Boreholes. Earth Science, 48(5): 1977-1988. doi: 10.3799/dqkx.2022.216

Citation:

Hu Jinzheng, Zhang Jie, Huang Hongwei, Zheng Jianguo, 2023. Value of Information Assessment and Optimization of Slope Boreholes. Earth Science, 48(5): 1977-1988. doi: 10.3799/dqkx.2022.216

Hu Jinzheng, Zhang Jie, Huang Hongwei, Zheng Jianguo, 2023. Value of Information Assessment and Optimization of Slope Boreholes. Earth Science, 48(5): 1977-1988. doi: 10.3799/dqkx.2022.216

Citation:

Hu Jinzheng, Zhang Jie, Huang Hongwei, Zheng Jianguo, 2023. Value of Information Assessment and Optimization of Slope Boreholes. Earth Science, 48(5): 1977-1988. doi: 10.3799/dqkx.2022.216

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Value of Information Assessment and Optimization of Slope Boreholes

doi: 10.3799/dqkx.2022.216

Hu Jinzheng^{1, 3
,
,},
Zhang Jie^{1
,
,
,},
Huang Hongwei¹,
Zheng Jianguo^{2, 3}

1.
Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China
2.
China Jikan Research Institute of Engineering Investigations and Design Co. Ltd., Xi'an 710043, China
3.
Shaanxi Key Laboratory for the Property and Treatment of Special Soil and Rock, Xi'an 710043, China

Received Date: 2022-06-28
Available Online: 2023-06-06
Publish Date: 2023-05-25

Abstract

Abstract

The conventional method to optimize the slope investigation program is usually assigned with complicated concept and arduous computational efforts. Also, the quantitative evaluation of slope failure loss is required, which is not convenient in practice. In this paper it aims to solve the above problem with a suggested method based on training of response surface-based machine learning model with incomplete features. The relationship between the factor of safety and the site investigation data is established. Then a prediction function is imported and calibrated with simulated samples. This method adopts the root mean square error of factor of safety as the indicator to assess the effectiveness of slope borehole program. The algorithm is provided and applied in an illustrative example of an undrained slope. The results accord well with those reported in literatures. The suggested method provides an efficient way to assess the effectiveness of site investigation program for slope. It has the characteristics of clear concept, simple algorithm and convenient calculation. Also the computational efforts are greatly reduced. This method will be more acceptable for practitioners.
- safety factor of slope,
- borehole,
- spatial variability,
- optimization of site investigation program,
- geotechnical engineering,
- engineering geology

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References(45)

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