Abstract:Slope stability is a very important problem in civil engineering,especially for the loess slope because of its specific region characteristics. A new analysis method for slope stability is proposed using multilevel fuzzy pattern recognition to analyze loess slope stability. By considering adequately the characteristics of various influencing factors and uncertain properties in the analysis of the loess slope stability,many influence factors are taken into account. Based on the proposed method,a computer software is developed. For the convenience of data input,transfer,output and handling via graphical window interfaces,the object-oriented programming language is used. The proposed method is compared with the limit equilibrium method through an engineering case. The results illustrate that the method is more credible and the computing velocity is more rapid,and also indicate that the method of the multilevel fuzzy pattern recognition is suitable for the analysis of stability in loess slope.