一维冻结风积土冻胀曲线的分形性质

FRACTAL PROPERTY OF FROST HEAVE CURVE IN THE AEOLIAN SOIL UNDER

  • 摘要: 通过分析风积土冻胀的特征,提出采用分形插值方法研究一维封闭冻结风积土的冻胀问题.通过理论研究和对实测曲线的分析,结果表明冻胀曲线具有良好的自相似性,可以利用分形理论对冻胀曲线进行描述. 分维体现了冻胀曲线的复杂性及非线性特征,这对进一步认识风积土的冻胀过程有着很重要的作用.

     

    Abstract: By analyzing the property of frost heave in the aeolian soil, thispaper proposes a fractal interpolation method to study theone-dimensional problem offrost heave in frozen soil.It is found that the frost heave curve hasa good self-similarity, and the fractal theory can be used to describethe frost heave curve. The fractal dimension can represent thecomplexity and the non-linear property offrost heave curve, which is important for understanding theprocess of frost heave on the aeolian soil.

     

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