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随着航运事业的发展和船舶大型化,船舶对航道水深的要求也越来越大。对于一些供大型船舶停靠的开敞式码头,多按满载船舶不考虑乘潮来设计航道水深。石臼港的10万吨级开敞式煤炭码头,建于-12米～-13米水深处,从船舶密度低(平均约三天来港一艘大型煤船)考虑,采用乘潮出港是经济的。然而乘潮出港又潜在着一定的危险性,即船舶载到一定吨位后,如遇到较大的波浪此时又逢较低潮位,航道水深不能满足船舶出港要求时,船舶
With the development of shipping business and the large-scale ships, the requirements of water depth of ships are also increasing. For some open-ended wharfs for large-scale ships, multi-purpose vessels should be designed to design waterway depth irrespective of rides. Shijiugang’s 100,000-ton open coal terminal was built at a depth of -12 meters to -13 meters. Considering the low density of vessels (an enormous coal ship coming to Hong Kong in about three days on average), it is economical of. However, there is a potential danger of taking a tide when departing from a port. That is, when a ship encounters a large tonnage after encountering a large tonnage, it is at this time that there is a low tide and the water depth of the channel can not meet the requirements of the port of departure.