波浪动力对开敞淤泥质海岸深水航道边坡稳定性的影响

开敞淤泥质海岸深水航道边坡的稳定性关系到航道的基建及维护费用,是航道工程设计中最重要的问题之一。以连云港港徐圩港区10万吨级航道为研究对象,采用在连云港海域应用较为成熟的波浪数学模型推算的波要素成果,研究中浪、大浪对徐圩10万吨级航道边坡稳定性的影响,并利用边坡实测地形资料进行分析。结果表明,从波浪动力的角度来看,徐圩10万吨级航道设计边坡的坡度取值是合理的,本海域的波浪动力不会对航道边坡的稳定性造成不利影响。

Impact of wave dynamic on slope stability of muddy deepwater channel in open sea

The slope stability of muddy deepwater channel in the open sea relates to the costs of its capital and maintenance dredging,and it is one of the most important problems in the design of waterway engineering.Taking 100 000 DWT waterway of Xuwei Port Area of Lianyungang Port as research object,we study the stability of its slope under the actions of medium wave and large wave on the basis of wave elements calculated by the wave model,which has been maturely applied in Lianyungang Sea.We also use the data of bathymetric survey near the slope for analysis.The results show that the slope angle of Xuwei 100 000 DWT waterway is properly determined from the perspective of wave dynamic,the wave dynamic in this sea will not cause adverse impact on the slope stability of the channel.