通过定床泥沙模型试验,研究洋山港区总体规划两种方案和一期工程三种方案的工程实施后港池泥沙淤积情况,以及外航道浚深段年平均淤积强度和维护挖泥数量. Sediment sediment model tests were conducted to study the sediment deposition in the harbor after the implementation of the two schemes of the Yangshan Port Master Plan and the three schemes of the first phase as well as the annual average silt accumulation intensity in the deep section of the outer channel and the maintenance of the dredging Quantity.