• Title/Summary/Keyword: 총톤수

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Estimation of Weight Parameters for Small Fishing Vessels in Accordance with Loading Conditions (소형 어선의 재화상태를 고려한 중량 정보 추정 기법)

  • Kim, Dong Jin;Yeo, Dong Jin
    • Journal of Navigation and Port Research
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    • v.43 no.1
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    • pp.16-22
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    • 2019
  • This study proposed estimation methods for weight and center of gravity of small fishing vessels. Weights loaded on small fishing vessels were divided into fixed weights such as crew, fishing gear, and variable weights such as fuel, fresh water, provision, bait, and fish. Based on statistical analyses with weight data of several small fishing vessels, weight, longitudinal center of gravity (LCG), vertical center of gravity (KG) of each item were represented as linear functions of vessel gross tonnage. In addition, weighting factors of variable weights were added on estimation formulas in accordance with vessel loading conditions, e.g. full load departure condition. Estimation methods were verified using actual small fishing vessel data.

어선의 해양사고 방지방안에 대한 고찰

  • Jeong, Dae-Yul
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2012.06a
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    • pp.551-555
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    • 2012
  • 최근 10년간 해양사고를 분석한 결과 어선은 전체 해양사고의 70퍼센트를 차지하고 있으며, 상선의 경우 충돌 및 좌초 등 운항과실에 의한 발생빈도가 높은 반면에 어선은 조업 중 및 기관구역 사고의 발생빈도가 높다. 또한 해양사고의 총톤수별 분석 결과 총톤수 100톤 미만의 소형선박이 72퍼센트를 차지하였다. 이에 이 글은 다음 7가지를 고려한 어선의 해양사고 방지방안을 제시하고자 한다. 1)충돌사고, 2)어선의 구조 및 설비에 따른 사고, 3) 어선의 전복사고, 4)어선의 기관, 화재, 폭발사고, 5)혼승선박의 비상대응능력, 6)어선의 출항통제기준, 7)동해안의 특성.

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44톤급 항만순찰선 건조해설

  • Kim, Sang-Ho
    • Journal of Korea Ship Safrty Technology Authority
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    • v.16
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    • pp.14-19
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    • 2004
  • 본선은 부산지방해양수산청으로부터 발주받아 선박검사기술협회의 설계 및 감리로 당사에 건조된 선박으로서 총톤수 44톤급 강재 및 알루미늄 합금재의 항만 순찰선으로 조정성 및 능파성이 타 선박에 비해 우수하고 선체 구조의 견고성, 복원성, 내파성 및 적절한 트림을 유지하도록 건조되었으며 2003년 12월 4일 착공하여 10개월의 건조공사를 거쳐 완공되었습니다.

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A Study on the Standard Ship's Length of Domestic Trade Port (국내 무역항의 표준 선박길이에 관한 연구)

  • Lee, Yun-Sok;Ahn, Young-Joong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.2
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    • pp.164-170
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    • 2013
  • 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.