Abstract：To study the Situation changes and influencing factors of soil resistivity when different types of soil were polluted by petroleum hydrocarbon, miller soil box was used in the indoor pollution soil resistivity experimenton the four different types of soil. The results showed that the grit and fine sand resistivity decreased when they were invaded by petroleum hydrocarbons pollutants, and silt and clay soil resistivity increased when they were invaded by petroleum hydrocarbons pollutants, which showed the opposite trend.When moisture content was more than 30%, the change of moisture contenthardly influenced the soil resistivity, and then thedecisive factors were soiltype and the pollution level.Temperature is an important external environmental factors of soil resistivity.With the temperature rising, the polluted soil resistivity reduced, which conformedt campbell's empirical formula of amendatory parameters.
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