在分析人工冻结土体与自然冻结土体的冻结差异、比较国内外土体冻融模型试验装置的基础上，介绍了所研制的人工冻结土体冻胀融沉模型试验装置及其应用情况．并利用该试验装置对徐州地区常见的粘土进行了冻结试验，检验了该试验装置的可靠性和实用性；得出了人工冻结土体在冻融过程中土体在垂直方向上的冻胀远小于它在该方向上的融沉等几点结论 Based on the analysis of the freezing differences between artificially frozen soils and naturally frozen soils and the comparison of the domestic and foreign soil freezing and thawing model testers, the experimental device and application of frost heaving and thaw settlement models for artificially frozen soils were introduced. And using this test device to freeze the common clay in Xuzhou area, the reliability and practicality of the test device were tested, and the frost heaving of the soil in the vertical direction during freezing and thawing process was obtained. Less than its conclusions in the direction of thaw