由于边坡岩土体中的应力状态的复杂,给出整体安全系数的的方法太过笼统,因此本文针对主应力空间中屈服面与应力点相关分析的基础上,提出破坏接近度YAI的概念来描述边坡中每一点的危险程度,并推导了莫库准则下的破坏接近度YAI的计算公式;在破坏接近度的概念体系下,以工程中实际边坡为例,实现了破坏接近度YAI在边坡稳定分析中的应用。计算结果表明相对于以往方法而言,破坏接近度是对岩土体内各状态进行定量安全性评价的一种更加合理的方法。 Because of the complex state of stress in slope rock and soil mass, the method of giving the overall safety factor is too general. Therefore, based on the analysis of the correlation between yield point and stress point in the main stress space, the concept of destroying proximity YAI To describe the dangerous degree of every point in the slope and to deduce the formula of the damage proximity YAI under the Mocaku criterion. Under the conceptual system of destruction proximity, taking the actual slope in the project as an example, the damage proximity Application of YAI in Slope Stability Analysis. The calculation results show that, compared with the previous methods, the damage of proximity is a more reasonable method to evaluate the quantitative security of each state in rock and soil.