目前，清水沟河道正处在回淤阶段。
At present, the flow path in Qingshuigou section is in the course of redeposition.
关于港口泥沙回淤程度的评价指标与标准，国内、外目前尚无专著文献。
At present, there is no index and standard available for evaluating siltation degree of a harbor both at home and abroad.
而疏深航道以提高通航能力，需要研究水域水动力变化并预测疏浚槽的回淤。
Improving the navigable capability of waterway, it is necessary to study the changes of hydrodynamic condition and to predict the amount of sediment deposition in the dredged channel.
电厂取水口建掩护堤后，取水口、取水渠等处的回淤必须在电厂建设之前予以解决。
If there exists shelter embankment at the water intake area of a power plant, the back silting at the place of intake and intake canal etc.
电厂取水口建掩护堤后，取水口、取水渠等处的回淤必须在电厂建设之前予以解决。
If there exists shelter embankment at the water intake area of a power plant, the back silting at the place of intake and intake canal etc. must be solved before the construction of the power plant.
应用结果表明，本文所建立的GIS系统较好地实现了港口回淤计算的前后处理功能。
The application of the GIS indicates that it can successfully deal with the preprocessing and postprocessing for the simulation of harbor siltation.
模型经验证后，计算分析了凤凰山深水港区两个规划方案下的水流变化及泥沙回淤强度。
After verification, the model is applied to calculate the change of current and back silting in the port area of Fenghuangshan port with two different plans.
研究结果表明，所介绍的研究方法可以合理地描述含沙量场特性以及计算进港航道回淤量。
The result showed that the numerical model could satisfactorily reflect the sediment concentration field, and calculate the back silting intensity on the approach channel in lianyungang harbor.
当围海工程结束，新岸滩调整达平衡后，泊位及港池的回淤将逐渐降至正常自然回淤强度。
When the coastal reclamation is finished, the new coast will reach a new balance gradually, and the deposition in the dock will also return to the natural level gradually.
长输油气管道在敷设或大修时常因地质状况或天气情况的影响造成开挖管沟出现回淤、积水、坍塌等现象。
Silting, water accretion and collapse for the excavated ditch of pipeline are serious problems during the pipe laying or renovation of pipeline due to geological situation or weather.
数学模型中引进前期含沙量的概念，得到了潮流挟沙能力公式，给出了波浪作用下浮泥引起航槽回淤的模拟方法。
In the model, the concept of antecedent sediment concentration is introduced and the method for simulating the back silting under the action of wave is established.
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。
The research conclusion is important to the study on the regular pattern of sediment deposition in the east part of Hangzhou Bay deep water channel which is pl…
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。
The research conclusion is important to the study on the regular pattern of sediment deposition in the east part of Hangzhou Bay deep water channel which is planned to be …
在整理和分析示踪沙扫测资料时，通过计算回收率来评价是否能算出计数率等值线的重心，以便进行输沙率或回淤量的定量计算。
The recovery of tracer shows whether the field tracer data can be used to calculate the transport sediment rate or the infill rate of sediment.
本文从计算潮流入手，建立一个潮流数学模型来计算潮流场，分析工程建设前后潮流场的变化，并分析了工程前后泥沙回淤情况。
The paper will be based on a 2D tide current numerical model to analyze the change of tide current field and the influence of sand silt before and after engineering.
本文利用已得的数据资料以及数值模拟后的数据资料进行了回淤强度的预算，并据此对航道疏浚后每年的清淤量提出了合理的建议。
This thesis estimates siltation intensity of Guangli channel by the obtained data and the data of numerical simulation, and suggests the dredged sand volume from the channel every year.
根据砂质海岸和粉沙质海岸地区港池和外航道的泥沙淤积的计算机理，确定了悬移质和推移质泥沙的计算公式与相关参数，分别对回淤量和骤淤量进行了计算。
The calculation formula and parameter of sediment siltation should accord with the arenaceous and silt coast condition. The back and sudden magnitude siltation quantity is calculated here.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题，通过动床试验研究提出了八塘尾河段的整治方案，并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题，通过动床试验研究提出了八塘尾河段的整治方案，并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
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