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A Study on the Standard Ship's Length of Domestic Trade Port

국내 무역항의 표준 선박길이에 관한 연구

  • Received : 2013.02.26
  • Accepted : 2013.04.25
  • Published : 2013.04.30

Abstract

With the introduction of increasingly large-sized ships, the conditions of main domestic port facilities remain the same as in the past. So, there is high probability that marine traffic congestion can occur at the certain ship's routes. The standard ship's length used to assess the marine traffic congestion of domestic trade port is 70 meters. It has been in use for the last 30 years, so, its usefulness is highly recommended for review. This study deeply analyzes the tendency of ship's dimensional changes according to recent enlargement of ship's size by utilizing the particulars of 60,000 ships saved in domestic Port-MIS database and suggests the standard ship's length by figuring out the correlation between length of ship and gross tonnage. In addition, the basis of statistical data on the ship's tonnage in domestic trade over the last five years suggests the standard ship's length by deriving the reference point of cumulative incidences that occupy more than over 50 %, except for small vessels. It is necessary to consider the characteristic of each domestic trade port before the actual application of suggested standard ship's length.

최근 선박 대형화 추세가 급격하게 진전된 반면 국내 무역항의 수역시설 조건은 과거와 동일하여 특정 항로에서의 해상교통 혼잡이 발생할 개연성이 매우 높다. 국내항의 해상교통혼잡도를 평가하기 위해 사용하는 표준 선박길이는 70 m로, 30년 전부터 현재까지 그대로 사용하고 있어 이에 대한 검토가 시급하다. 본 연구에서는 국내 Port-MIS 데이터베이스에 저장된 60,000여척 선박 주요 제원을 기반으로 선박 대형화 추세를 분석하고, 최근선박의 총톤수와 선박 길이와의 상관함수를 이용해 선박 대형화가 반영된 표준 선박길이를 제안하였다. 또한 최근 5년간 국내 무역항 이용 선박에 대한 톤수별 척수를 기초로 소형선을 제외한 누적 빈도수가 50 % 이상 차지하는 기준점을 도출해 국내항의 표준 선박길이를 제안하였고, 각 표준 선박길이는 국내 무역항의 특성을 고려하여 적용할 필요가 있다.

Keywords

References

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