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基于人工智能深度学习算法的露天矿边坡稳定性系数预测

Prediction of stability coefficient of open-pit mine slope based on artificial intelligence deep learning algorithm.

作者信息

Wang Shuai, Zhang Zongbao, Wang Chao

机构信息

School of Civil Engineering, Liaoning Technical University, Fuxin, 123000, Liaoning, China.

College of Mining, Liaoning Technical University, Fuxin, 123000, Liaoning, China.

出版信息

Sci Rep. 2023 Jul 25;13(1):12017. doi: 10.1038/s41598-023-38896-y.

Abstract

The mining of open pit mines is widespread in China, and there are many cases of landslide accidents. Therefore, the problem of slope stability is highlighted. The stability of the slope is a factor that directly affects the mining efficiency and the safety of the entire mining process. According to the statistics, there is a 15 percent chance of finding landslide risk in China's large-scale mines. And due to the expansion of the mining scale of the enterprise, the problem of slope stability has become increasingly obvious, which has become a major subject in the study of open-pit mine engineering. In order to better predict the slope stability coefficient, this study takes a mine in China as a case to deeply discuss the accuracy of different algorithms in the stability calculation, and then uses a deep learning algorithm to study the stability under rainfall conditions. The change of the coefficient and the change of the stability coefficient before and after the slope treatment are experimentally studied with the displacement of the monitoring point. The result shows that the safety coefficient calculated by the algorithm in this paper is about 7% lower than that of the traditional algorithm. In the slope stability analysis before treatment, the safety factor calculated by the algorithm in this paper is 1.086, and the algorithm in this paper is closer to reality. In the stability analysis of the slope after treatment, the safety factor calculated by the algorithm in this paper is 1.227, and the stability factor meets the requirements of the specification. It also shows that the deep learning algorithm effectively improves the efficiency of the slope stability factor prediction and improves security during project development.

摘要

露天矿开采在中国广泛分布,滑坡事故案例众多。因此,边坡稳定性问题备受关注。边坡稳定性是直接影响开采效率和整个开采过程安全的一个因素。据统计,在中国大型矿山中,发现滑坡风险的概率为15%。而且由于企业开采规模的扩大,边坡稳定性问题日益凸显,已成为露天矿工程研究中的一个重要课题。为了更好地预测边坡稳定性系数,本研究以中国某矿山为例,深入探讨不同算法在稳定性计算中的准确性,然后采用深度学习算法研究降雨条件下的稳定性。通过监测点的位移,对边坡处理前后稳定性系数的变化以及系数的变化进行了实验研究。结果表明,本文算法计算得到的安全系数比传统算法低约7%。在处理前的边坡稳定性分析中,本文算法计算得到的安全系数为1.086,本文算法更贴近实际。在处理后的边坡稳定性分析中,本文算法计算得到的安全系数为1.227,稳定系数满足规范要求。这也表明深度学习算法有效提高了边坡稳定性系数预测的效率,提高了项目开发过程中的安全性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb40/10368623/1d0015f6fb12/41598_2023_38896_Fig1_HTML.jpg

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