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运动单元方法通过引进单元运动分析、静力分析和优化求极值分析， 自动完成岩土工程剪切破坏区和最危险滑动面的搜索， 在此基础上求得不同工程问题的极限值。该方法具有严格的数学力学基础， 适用于各类地质条件、岩性和几何形状复杂的岩土工程的极限分析。运动单元法是一种分析岩土工程地基极限承载、挡土墙极限土压以及边坡稳定性的塑性极限分析方法。介绍了运动单元法的基本理论体系， 对运动单元法边坡稳定性分析的原理与方法进行了详细论述。
With the introduction of elemental motion analysis, static analysis and optimization of extremum analysis, the Kinematics Unit method automatically searches for the geotechnical shear failure zone and the most dangerous sliding surface, and on this basis, the limit values for different engineering problems are obtained. This method has a strict mathematical mechanics basis and is applicable to the limit analysis of geotechnical engineering with various geological conditions, lithology and geometric shapes. The kinematic element method is a plastic limit analysis method for analyzing ultimate bearing capacity of geotechnical engineering foundations, ultimate soil pressure of retaining walls, and slope stability. The basic theory system of the kinematic element method is introduced. The principle and method of slope stability analysis of the kinematic element method are discussed in detail.