Based on the theory of dynamic sedimentation

dredged slurries in the containment area are divided into supernatant layer

turbid layer and alluvium layer.A dynamic sedimentation model of dredged slurries is proposed

considering dynamic equilibriums of water mass and solid mass of the dredged slurry during hydraulic fill.The model can predict the variation on each layer surface versus time

moreover

it can determine the height of reclamation dam

the area of sedimentation zone and the initial storage capacity

the influence on which

caused by initial solid concentration of dredged slurry

filling rate and settling velocity of turbid layer surface

is analyzed by a case.The results show that settling velocity and filling rate have a great effect on the area of sedimentation zone

however

the influence of initial solid concentration is a little.The height of reclamation dam is not related to filling rate but affected greatly by settling velocity and initial solid concentration.Filling rate has a significant influence on the initial storage capacity

and the influence of settling velocity is the second

while the initial solid concentration has the least influence.