During the process of limit equilibrium analysis, we use the software to search the position of slide surfaces. The Barton formula is introduced to confirm the shear strengths of interfaces.

• 利用极限平衡法分析红层软岩坡体稳定性时,提出了采用极限平衡软件自动搜索滑移面的位置和利用Barton公式确定节理面的抗剪强度。