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Safety of subdivision and towing of non-self-propelled cutter suction dredger

Safety of subdivision and towing of non-self-propelled cutter suction dredger

 The following describes the subdivision and towing safety of non-self-propelled cutter suction dredgers:
    Because of the special nature of non-self-propelled cutter suction dredgers, there is a serious phenomenon of burying and rising waves in towing, and thus there is danger of water ingress. In view of the current requirements of the general cargo ship for the two types of non-self-propelled cutter suction dredgers, the present paper analyzes the damage stability of this type of vessel by different methods and finds that there is stability in the damage. Some security risks. This paper puts forward several proposals on the towing safety of this kind of existing suction-sucking ship and the future plan creation.
     Following the development of China's coastal industry and port waterway construction and dredging industry, in recent years, China has planned a large number of large-scale non-self-propelled cutter suction dredgers. The dredging capacity of a single vessel has reached ~lJ3OOOm/h~4000m/h. . Since the majority of cutter suction hopper dredgers are non-self-propelled vessels, the hull shape lines are selected to be simple box type hulls. In addition, according to the condition of no one on board when towing, there is no requirement for the minimum height of the bow, and no turret is required. And sheer. During towage, the ship's head will suffer a burial phenomenon and it is prone to attacking the waves on the deck. Especially when the tow power used is high, the speed is high, and under severe sea conditions, the wave on the deck is very severe. Waves on the deck may damage the sealing equipment and cause the hull to enter the water. In addition to the use of long-haul towage in towage, no one on the dredger, so once the attack on the hull into the water, it can not find and take measures.
  The above describes the subdivision and towing safety of the self-propelled cutter suction dredger, which we hope we can understand.


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