| 高密度电法在近海岸土壤腐蚀性评价和界线划分中的应用研究 |
| Application of High Density Resistivity Method in Soil Corrosion Evaluation and Boundary Division in Coastal Areas |
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| DOI：doi：10.3969/j.issn.1003-2029.2026.01.008 |
| 中文关键词: 近海岸 高密度电法 土壤腐蚀性评价 视电阻率 极化电流密度 |
| 英文关键词:coastal areas high density resistivity method evaluation of soil corrosion apparent resistivity polarization current density |
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| 中文摘要: |
| 在海水潮汐影响下，近海岸地区存在海水入侵现象，导致近海岸土壤海水含量较高，
且具有一定程度的腐蚀性。土壤对钢结构等会产生不同程度的腐蚀，降低其结构承载力，减少
其使用寿命，并造成财产损失和安全事故。本文主要采用高密度电法和极化电流密度法对近海
岸区域进行测试，结合地质钻孔资料和氯离子（Cl-）浓度测定进行分析与解释。结果表明：高
密度电法与极化电流密度法均能有效评价土壤的腐蚀性等级，其中，高密度电法还能对研究区
土壤的强、弱等级腐蚀性界线进行划分。研究结果可为该区域水文和地质调查提供基础参考资
料，对工程建设的设计施工和防腐措施具有重要参考价值，为近海岸环境评估提供技术手段。 |
| 英文摘要: |
| Under the influence of ocean tides, seawater intrusion occurs in near-coastal areas, leading to relatively high seawater content in
the soil and a certain degree of corrosiveness. Such soil can induce varying levels of corrosion in steel structures, thereby reducing their
load-bearing capacity and service life, and potentially causing property loss and safety incidents. In this study, we apply the high-density
electrical method and the polarization current density method to investigate near-coastal zones, integrating geological drilling data and
chloride ion (Cl-) concentration measurements for comprehensive analysis. The results demonstrate that both methods can effectively assess the corrosiveness grade of the soil, with the high-density electrical method further capable of delineating the boundary between strongly and weakly corrosive zones in the area. These findings offer fundamental reference information for hydrogeological and geological surveys in the region, and hold significant implications for the design, construction, and anti-corrosion strategies of engineering projects,
thereby supplying technical support for environmental assessment in coastal settings. |
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