Soil moisture change is one of the important factors of affecting roadbed stability after embankment constructed. However, there is lack of understanding of moisture change of roadbed soil. In this article, pF-meter sensor is used to measure the change of soil temperature and moisture and then continuous measurement data were obtained for three years. The monitoring results show that pF-meter can indicate better the features of soil temperature and moisture and soil moisture transfer within an embankment. Unfortunately, pF-meter cannot show the quantitative change of soil moisture, and then application of pF-meter to monitor the change of soil moisture during the process of soil freezing and thawing is confined.

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