The probabilistic safety assessment technology based on R6 method was reviewed in this paper. The current development of CEGB R6 was also introduced. Then, two methods for probabilistic safety assessment were presented.

• 回顾了基于R6方法的概率安全评定技术，介绍了CEGBR6的最新进展，给出了两种概率安全评定的方法。