Fig. 6

Structural characteristics of stable landslide dams in the study area. (A₁) – Schematic diagram of a landslide dam with inverse grading; (A₂, A₃) – A typical landslide dam exhibiting inverse grading and its characteristic features; (B₁) – Schematic diagram of a landslide dam with a pseudobedrock structure; (B₂, B₃) – A typical landslide dam with a pseudo-bedrock structure and its characteristic features; (C₁) – Schematic diagram of a boulder-dominated landslide dam; (C₂, C₃) – A typical boulder-dominated landslide dam and its characteristic features; (D₁) – Schematic diagram of a landslide dam with a soil-rock mixture structure; (D₂, D₃) – A typical landslide dam with an SRM structure and its characteristic features.