Based on the whole process theory, the characteristics of penetration depth for ship emergency anchoring are summarized. Combined with the actual project, the physical model test was carried out, and the scale ratio was set for the soil and anchor. Different working conditions are designed for water flow, vertical height and horizontal velocity Angle, and the model test of anchor penetration depth was carried out. The experimental results show that whether there is water flow or not and the variation of water flow conditions have certain effects on the penetration depth of anchor; when the anchor only has vertical velocity, the faster the anchor hits the bottom, the deeper the anchor penetrates into the soil; when the anchors have horizontal velocity synchronously, the penetration depth of the anchors increases slightly.
Compared with the traditional model, the results obtained by this method are closer to reality and provide ideas and references for penetration depth for ship emergency anchoring.

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