交直流杂散电流对土壤电阻率影响的研究进展

Research Progress on the Influence of AC and DC Stray Current on Soil Resistivity

聚焦交流和直流杂散电流对土壤电阻率的影响,介绍了近年来国内外在该领域的试验探索与认知,总结了土壤导电理论模型的认知历程,并系统阐述了直流和交流杂散电流对土壤电阻率的影响机制,总结分析了土壤电阻率在交直流电流作用下的非线性变化特性,介绍了土壤电阻率温度修正模型的最近研究进展,展望了该领域的发展趋势。

The influence of AC and DC stray currents on soil resistivity is focused,and the experimental exploration and cognition in this field at home and abroad in recent years are introduced.The cognition history of the theoretical model of soil conductivity has been summarized,the influence mechanism of DC and AC stray current on soil resistivity has been systematically explained,and the nonlinear change characteristics of soil resistivity under the action of AC and DC current has been summarized.At the same time,the recent research progress of the temperature correction model of soil resistivity is introduced,and the development trend in this field is prospected.