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粗粒土强度与级配分形特性研究
Publication year - 2020
Publication title -
gong cheng jian she
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2717-5375
pISSN - 2630-5283
DOI - 10.33142/ec.v3i6.2091
Subject(s) - business
粗粒土级配是影响抗剪强度的重要因素之一。在分形理论的基础上为了探究粗粒土级配与抗剪强度间的相关性规律设计了五组不同级配的试样并通过粒度分形曲线求得其分形维数。以室内大三轴试验进行研究获得了内摩擦角和粘聚力随分形维数增大而减小的变化规律。并通过理论推导获取分形维数与不均匀系数Cu及曲率系数Cc的定量关系式当分形维数位于(1.89,2.63]这个区间时可认为级配是良好的。

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