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中文摘要：
泥石流泥痕深度是一个通过勘测调查获取的重要参数，它直接关系到泥石流运动流速、冲击力等特征参数的定量计算。但实际调查中却往往因为时间久远、沟道冲淤变化等原因致使泥痕痕迹难以准确判断，甚至无法判断而造成误判。鉴于此，本文试图通过泥石流流量、流速等参数间的数量关系推算出泥石流泥痕深度的计算方法，并以工程实例验证其具有一定的实用性，可为相关研究与设计提供参考。
英文摘要：
As an important parameter usually decided by field survey, mud depth of debris flow is directly related to quantitative calculation of velocity and impact forces. But due to scour and deposit of bed and longinquity,difficulties and deficiencies of mud depth still exist. Therefore, this paper attempts to acquire mud depth of debris flow by deducing quantitative relation of calculation parameters,such as velocity and discharge of debris flow. In addition, this method is verified by a project case. It also offers important reference to relevant research and engineering design.
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