To explore the influence of spatial variability of soil parameters with rotated anisotropy on probabilistic large slope deformation characteristics,a multiple response surface-based random material point method is proposed in this study.First,random field theory is empl...MORE To explore the influence of spatial variability of soil parameters with rotated anisotropy on probabilistic large slope deformation characteristics,a multiple response surface-based random material point method is proposed in this study.First,random field theory is employ...