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本文在对杭州湾深水航道东试挖槽中浮泥进行观测和淤泥特性试验研究的基础上，分析了槽中浮泥产生和消失的规律，认识到浮泥的固结是东试挖槽中泥沙回淤的主要形式。这对研究拟开挖的杭州湾深水航道东段的泥沙回淤规律，确定适航水深和航道维护方案等都有着较重要的指导意义。
Based on the observation of the mud and the study on the mud characteristics of the East Bay trenches in the Hangzhou Bay deepwater channel, this paper analyzes the law of the occurrence and disappearance of the mud in the trenches. Sediment silt back to the main form. This has important guiding significance for studying the law of silting and silting in the eastern section of the Hangzhou Bay deep-water channel to be excavated, and for determining the waterworthiness depth and channel maintenance schemes.