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裂隙岩体结构面力学参数的取值是复杂而重要的．本文在深入分析其复杂性和各取值方法优缺点的基础上，结合工程实践阐述了最危险控稳结构面的确定以及采用工程地质类比法和相对位移反分析法合理确定结构面力学参数的理论和方法．研究结果表明，扎实的工程地质分析是合理确定结构面力学参数的基础，干扰能量法、模糊度量和相对位移反分析法在小浪底水利枢纽工程和江阴大桥工程中的应用取得满意的效果．
The value of mechanical parameters of fractured rock mass structure is complex and important. Based on an in-depth analysis of its complexity and advantages and disadvantages of each value method, this paper describes the determination of the most dangerous and stable control surface in combination with engineering practice and the rational determination of the mechanical parameters of the structural surface using engineering geography analogy and relative displacement back analysis. Theory and methods. The research results show that solid engineering geology analysis is the basis for the rational determination of mechanical parameters of structural planes. The application of interference energy method, fuzzy metrics and relative displacement back analysis method in the Xiaolangdi Water Control Project and Jiangyin Bridge Project has achieved satisfactory results.