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ABSTRACT
In this study, a series of freezing experiments were carried out to investigate the changes of volumetric unfrozen water contents in freezing soils. The experimental results show that the soil type and the initial volumetric water content have significant effect on the freezing point and volumetric unfrozen water content of freezing soils. On the base of the experimental results and the previous researches, a new model was developed to describe the changes of the volumetric unfrozen water contents in freezing soils. The developed model was validated by comparing the calculated results against the experimental ones.
Additional information
Funding
This research was supported by the National Key Research and Development Program of China (Grant No. 2018YFC0809605), the National Science Fund for Distinguished Young Scholars (Grant No. 41825015), the National Natural Science Foundation of China (Grant No. 41471063), the Program of the State Key Laboratory of Frozen Soil Engineering (Grant Nos. SKLFSE-ZT-23, SKLFSE201502), and the Natural Science Foundation of Gansu Province of China (Grant No. 1508RJZA100).