Method for calculating form of sediment accumulation body during bottom throwing of trailing suction hopper dredger
A technology of trailing suction dredger and calculation method, applied in calculation, computer-aided design, special data processing application, etc., to achieve the effect of reducing secondary handling and engineering cost
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[0029] Embodiment: A calculation method for the form of sediment deposits when a trailing suction dredger is dumped at the bottom. Taking the "Xin Haifeng" dredging ship as a prototype, firstly collect the mud and sand deposits of the trailing suction dredger 1 under the condition of the bottom dumping operation mode. Data, including sand throwing volume V, unit is cm3, sediment particle size d, unit is mm, water depth H of sand throwing point, unit is cm, and the slope, height and range data of the accumulation body, and establish a physical model, mud The value range of the sand particle size d is: 0.3mm ~ 1.3mm, and the value range of the water depth H at the sand throwing point is greater than 5m.
[0030] Then, the sand throwing shape function is established according to the sand throwing amount, the water depth of the sand throwing point and the particle size of the sand:
[0031] f(h, V)=p1+p2*h+p3*h2+p4*C+p5*C2+p6*C3+p7*C4;
[0032] q(d, h)=k1+k2*d+k3*d2+k4*d3+k5*h+k6...
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