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基于灰色聚类理论,以内插法重新划定各白化权函数类型阀值;采用相似系数法对指标权重进行确定,选用自由膨胀率、标准吸湿含水率和塑性指数构建综合评价体系,建立膨胀土胀缩等级分类的改进灰色变权聚类分析法。
Based on the gray clustering theory, the types of the whitening weight function thresholds were redrawn by interpolation. The similarity coefficient method was used to determine the weight of the index. The comprehensive evaluation system was established by using the free expansion rate, the standard moisture absorption and plastic index, and the expansive soil Improved gray variable weight clustering method for classification of expansion and contraction.