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在回顾泥石流研究的基础上,对茨马绒变坡度沟泥石流进行调查研究。结果表明,该泥石流沟泥石流流速受沟床坡度控制明显,速度快慢交替,呈现出流通区与堆积区在时空上相互转化,在流通区内形成多个次级堆积区,从而在沟口一次冲出物堆积较少。针对这一特点,提出相应的变坡度沟泥石流的综合工程措施。
On the basis of reviewing the research of debris flow, the investigation on the debris flow in slope ditch was carried out. The results show that the debris flow velocity of debris flow is controlled by the slope of gully obviously and the velocity alternates with each other. It shows that the flow area and accumulation area transform each other in time and space, and multiple secondary accumulation areas are formed in the flow area, Accumulation of less material. In view of this characteristic, put forward the corresponding comprehensive engineering measures of slope slope ditch debris flow.