Abstract
This paper introduces the inducing factors of landslide disaster and the terrain characteristics of landslide. The characteristics of landslides in southern and Western China are mainly introduced. The influence of vegetation covered slope soil on rainwater infiltration was studied. By analyzing the relationship between soil porosity and soil permeability, it can be used as a basis for assessing landslide risk. At the same time, the concept of soil and water cycle was introduced in combination with induced factors. These studies are of great significance for improving the accuracy of landslide warning in the future.
Highlights
Landslide refers to the phenomenon that the soil or rock mass on the slope slides downward along a certain weak surface under the action of gravity
There are many factors that lead to landslide, so it is of great significance to analyze the basic factors causing landslide
This paper first introduces the characteristics of landslide disasters and disaster causing factors
Summary
Landslide refers to the phenomenon that the soil or rock mass on the slope slides downward along a certain weak surface (sliding surface) under the action of gravity. Most landslides occur between 10 ° and 45 ° slope [1]. Slope soil is eroded by surface water and groundwater for a long time, and landslides occur when induced conditions occur. The inducing factors include strong precipitation, accumulated precipitation, earthquake, human engineering and other disturbance factors. The landslide site structure is composed of landslide back wall, material source area, landslides side wall, sliding surface, landslide mass, flow area and accumulation area [2].
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