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冻土的物理性质
多年冻土是由矿物颗粒、固态冰、液态未冻水和气体组成的四相体系,其物理性质取决于四个方面的特征指标: 1. 冻土中的总含水量〈包括液相和固相含水量〉。 2. 冻土中未冻水的含量。 3. 原状结构冻土的容重。 4. 固体矿物颗粒相对密度。上述特征值需通过室内土工试验确定
expl.
physical properties of frozen soil
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