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中文摘要：
以往的优势组划分方法都是以结构面的产状信息为基础，未考虑结构面力学特征及分组指标权重对优势组划分结果的影响，这样可能会导致分组结果不准确．因此，本文引入结构面特征分级法（CSPC）所定量评价的结构面的力学特征，提出基于结构面特征的优势组划分方法，采用可变模糊聚类迭代模型进行结构面的优势组划分．结果显示，结构面力学特征对结构面优势组划分的影响不能忽略．利用基于结构面特征的优势组划分方法可以预测出每组结构面的抗剪强度参数，为后续的块体稳定性分析奠定基础．
英文摘要：
The past partitioning methods of dominant groups are all based on the orientation information of structural planes, and they do not consider the effect of mechanical characteristics of structural planes and partitioning indexes on dominant groups partitioning, which may lead to the wrong partitioning results. In this respect, the mechanical characteristics quantified by CSPC （a classification method of structural plane character ） were introduced for partitioning the dominant groups based on the characteristics of structural planes, and the partition of dominant groups was achieved by an iterative variable fuzzy model. It was concluded that the influence of mechanical characteristics on dominant groups partitioning can not be ignored. Shear strength parameters can be forecast by the partitioning method of dominant groups based on the characteristics of structural planes, which may lay the basis for the subsequent block stability analysis.
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