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膨胀土胀缩性与土性指标之间的关系存在较大的模糊性和地域性。在优选判别方法和指标的前提下 ,运用模糊数学和等效数值法对潭邵高速公路路基膨胀土进行了胀缩等级的判定
The relationship between swelling and shrinking of expansive soil and the index of soil is ambiguous and regional. On the premise of optimizing the method and index, fuzzy mathematics and equivalent numerical method were used to judge the expansion and contraction grade of expansive soil in Tan-Shao Expressway