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针对堤防渗漏隐患的自然电场响应特征不足问题，探讨了不同因素对其自然电场变化规律的影响。首先，构建三维数值模拟模型，进行数值模拟分析；然后，采用单因素实验研究渗漏通道数量、渗漏通道尺寸、渗漏通道弯曲程度、堤防水位变化、渗漏通道水平位置变化5个因素对自然电场响应的影响；最后，利用正交实验，比较各因素对自然电场响应特征的影响程度。研究结果表明：渗漏通道数增加、渗漏通道面积扩大、弯曲程度减小、水位变高均增大自然电场响应特征，而渗漏通道水平位置变化时自然电场响应基本保持不变；增加渗漏通道数量与扩大渗漏通道尺寸对自然电场响应特征最为显著；各因素对自然电场响应特征变化响应程度分为为渗漏通道尺寸变化>渗漏通道数>渗漏通道弯曲程度>堤防水位变化>渗漏通道水平位置变化。
Abstract：In response to the insufficient natural electric field response characteristics of leakage hazards in embankments, this study explores the influence of different factors on the variation of the natural electric field. Firstly, a three-dimensional numerical simulation model was constructed to conduct numerical simulation analysis. Then, a single factor experiment was conducted to investigate the effects of five factors on the natural electric field response, including the number of leakage channels, the size of the leakage channels, the degree of curvature of the leakage channels, changes in the water level of the embankment, and changes in the position of the leakage channels, Finally, orthogonal experiments were used to compare the degree of influence of various factors on the response characteristics of natural electric fields. The research results indicate that an increase in the number of leakage channels, expansion of the leakage channel area, reduction in curvature, and increase in water level all increase the natural electric field response characteristics, while the natural electric field response remains basically unchanged with changes in the position of the leakage channel. The increase in the number of leakage channels and the expansion of the leakage channel area have the most significant impact on the natural electric field response characteristics. The response sensitivity of various factors on changes in natural electric field response characteristics is ranked as follows: leakage channel area>number of leakage channels>curvature of leakage channels>changes in embankment water level>changes in leakage channel position.
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基本信息:
中图分类号:TV871
引用信息:
[1]申斌,高江林,邹晨阳,等.基于正交实验的堤防隐患自然电场影响因素分析[J].工程地球物理学报,2025,22(06):655-663.
基金信息:
江西省水利厅科技项目(编号:202426ZDKT01); 江西省“科技+水利”联合计划项目(编号:2022KSG01003,2023KSG01008); 江西省科技厅人才培养项目(编号:20243BCE51128)