When rainstorms persist, such soils will start to slide down the slope and be eroded, and furthermore, they rush down and form slurry, thus giving rise to slope mudflow.

• 遇持续暴 雨作用，此种残坡积土局部发生启动下滑-流土，进而在动水压力作用下下泻造浆形成坡面 泥石流。