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对波浪作用下推移质输沙率的研究理论和实验,一般都是建立在平底海床上波浪运动、水平底部剪切力作用的力学模式基础之上,而不考虑海床坡度引起的波浪变形、底部剪切力变化导致的向岸、离岸方向的推移质输移的差异。研究在波浪作用下坡度海床上推移质运动机理,不仅需要建立可靠的力学模式进行理论分析,而且更需要采用大量的模型实验资料来验证、完善力学模型。正是基于对坡度海床上推移质运动机理研究的需要,本文给出了四个坡度床面上,三种不同周期,四个不同波高,四种水深,三种不同粒径约一百组实验成果资料,同时对实验成果做出了初步分析。
The research theory and experiment of bedrock sediment transport rate under wave action are generally based on the mechanics mode of wave motion and horizontal bottom shear force in the flat bottom sea bed without considering the wave deformation caused by the seabed gradient, The change of bottom shearing force leads to the difference of thrust and transport in the offshore and offshore directions. Studying the mechanism of pusha movement on the steep seabed under the action of waves not only needs to establish a reliable mechanical model for theoretical analysis, but also requires a large number of model experimental data to verify and perfect the mechanical model. It is based on the need of studying the mechanism of plutonic movement on the seabed, on the four gradient beds, three different periods, four different wave heights, four water depths, three different particle sizes of about 100 experiments Results of information, at the same time made a preliminary analysis of experimental results.