Abstract
This paper discusses the assignment of this or that ice class as per RS system. The calculations have been prepared to develop a universal tool for comparative metal consumption assessment of ice belts aboard ice-going ships, which might be implemented by determination in terms of the two classifications of ice-going ships and icebreakers of all ship parameters that influence, directly or indirectly, on required metal weight of ice belt structures. This approach is illustrated by a case study: calculation of required ice belt size for a tanker to change her ice class. These results made it possible to judge about metal consumption of ice belt structure and suggest a possible way for its optimization. Additionally, cost effectiveness of hull upgrade was compared for the two variants of ice belt design. The conclusions of this paper underline the necessity of automated calculations for fast assessment of metal consumption and repair costs.
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