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研究重大工程场址断层活动（特别是断层的最后一次活动）对于工程的设计和建设十分必要．许多工程选址在基岩裸露区，缺乏能标明断层活动特征的新地层。为了在这些地区顺利地开展工作，笔者探索了一条新的途径，即利用变形岩石显微构造分析方法和多种测试技术对断层带物质进行综合分析测试，提取留存其中的有关断层活动规律的信息．本文论证了该方法的理论依据和可行性，并着重总结了应用该法在几个重大水电工程场址内进行断裂活动研究的成果．这些成果为工程设计人员提供了可靠的工程地质依据，也证明了该研究途径的有效性和实用性．
It is necessary for the design and construction of a project to study the fault activity of a major project site (especially the last event of a fault). Many projects are located in exposed areas of bedrock and lack new formations that characterize fault activity. In order to carry on the work smoothly in these areas, the author explores a new way, that is, using the deformation rock microstructure analysis method and a variety of testing techniques to comprehensively analyze and test the fault zone materials and extract the retained information about the fault activity rules . This paper demonstrates the theoretical basis and feasibility of this method and highlights the results of the study on the application of this method in several major hydropower project sites. These achievements provide a reliable engineering geological basis for engineering designers and also prove the validity and practicability of the research approach.