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本文简述了结构面的概念、分类及不同力学性质结构面对水电工程的影响。提出了构造结构面力学性质鉴定的牲征和在鉴定中应注意的问题，以及构造结构面的分级；并总结出判定构造结构面的活动次数、活动顺序、最后一次活动方式和现今构造应力场特征的方法，以供水电工程地质工作者参考。
This paper briefly describes the concept of structural plane, classification and different mechanical properties of the structure of the impact of hydropower projects. The characterization of the mechanical properties of the structural plane and the problems to be noticed in the appraisal should be pointed out. The classification of the structural plane should be pointed out. The number of activities, the sequence of activities, the last activity mode and the present tectonic stress field Characteristics of the method for reference by hydroelectric engineering geologists.