• Title/Summary/Keyword: 초대형선

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A study on the estimation of container terminal capacity and its implication to port development planning of Korea (국내 컨테이너 부두시설 확보제도 개선방향 연구)

  • Yang, Chang-Ho
    • Journal of Korea Port Economic Association
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    • v.26 no.3
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    • pp.198-220
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    • 2010
  • This paper investigate the problems of standard container port handling capacity in establishing national port development plan in Korea. Considering container port developing, it's not easy to adopt container port service quality parameters such as lay time constraint of very large container ships by using the standard guideline of container port handling capacity. A simple methodology that connects vessel waiting to service time(w/s) and berth occupancy to costs has been used to evaluate the performance of a container terminal. But the total handling capacity have to be calculated by the performance of the handling system and number of equipments and layout of terminal by using computer simulation that represents of reality events needs to be performed by probabilistic techniques. A simulation model of estimation of container terminal capacity is introduced in order to establish a hub terminal for very large container ships that focus the port's quality of service and also suggest as tool for policy maker to justify a required port investment.

선박조종시뮬레이터를 이용한 140K 컨테이너선의 부산항의 주요터미널 안전 접.이안을 위한 표준 및 응급 조선법에 관한 연구

  • Gang, Eul-Gyu;Jeong, Tae-Gwon
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2013.06a
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    • pp.34-36
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    • 2013
  • 부산항 및 부산신항 개발의 특징은 매립으로 인하여 가항수역은 협소화되는 반면에 선박은 대형화되면서 흘수가 증가함으로 인하여 점점 더 깊은 수심을 필요로 하게 되었다. 따라서 초대형선들은 출입항선 상호간의 간섭이 증가하고, 심흘수화로 인한 조종성능의 저하와 비상시 대응책의 한계를 드러내는 등의 문제점을 안고 있다. 또한 전반적인 선박 통항량의 증가는 거대형 컨테이너선이 부두전면에서 회두하거나 감속, 접근하는데 소요되는 시간에 따라서 항만의 효율성뿐만 아니라 주변수역의 안전에도 크게 영향을 미치고 있다. 따라서 본 연구에서는 항만의 안전과 효율성을 제고하기 위하여 초대형 선박의 조종특성과 주변 여건을 다각도로 고려한 최적의 표준 조선방법 및 응급조선을 2D베이스로 개발된 선박조종시뮬레이터를 이용하여 모색해 보고자 한다.

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해운이슈 - 초대형 메가급 컨테이너선의 출현, 메가급 위기인가? - 선대 대형화 급진전으로 운임상승에 한계 봉착 우려 -

  • 한국선주협회
    • 해운
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    • no.1 s.47
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    • pp.14-22
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    • 2008
  • 최근들어 1만TEU급 초대형 컨테이너선이 잇따라 시장에 투입되면서 선복과잉이 우려되고 있다. 과연 메가급 컨테이너선이 규모경제의 잇점을 살릴 수 있을지, 아니면 메가급 위기로 다가올지 기대와 우려가 교차되고 있다. 다음은 로이즈 쉬핑 에코노미스트(Lloyd's Shipping Economist)지 2007년 10월호에 실린 스테판 메튜(Stephen Matthews)의 "Mega-risk"를 번역한 것이다.

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Forecasting of Port Productivity to Response Very Large Container Ship (초대형 컨테이너선 기항에 대응하는 항만생산성 예측)

  • Choi Yong-Seok;Ha Tae-Young
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2005.10a
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    • pp.319-325
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    • 2005
  • The objective of this paper is to forecast the port productivity of container terminal to response very large container ship. In general, the productivity of container terminal is evaluated by productivity of stevedoring system including container cranes, yard cranes, and yard tractors. Therefore, we analyzed the current productivity of container crane as port productivity in Pusan ports and forecast net productivity and gross productivity of container cranes to handle the containers cf very large container ship. In order to improve the productivity, we summarize alternatives of stevedoring system and operation system.

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The Relative Distance in Taking Action for Collision Avoidance Maneuver of the Stand-on Vessel (피항조선시의 유지선 피항개시거리에 관한 연구)

  • 김기윤
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.32 no.4
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    • pp.363-371
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    • 1996
  • The Steering and Sailing Rules of International Regulations for Preventing Collisions at Sea now in use direct the best aid - action to avoid collision by the stand - on vessel. But these rules do not refer to the safety relative distance between two vessels when she should take such action. In this paper, the author analyzed the ship's collision avoiding actions from the viewpoint of ship motions and worked out mathematical formulas to calculate the relative distances necessary for taking action to avoid collision. Figuring out the values of maneuvering indices through experiments of 11 actual ships of small, medium, large and mammoth size, the author applied these values to the calculating formulas and calculated the minimum relative distances. The main results are as follows: 1. It was confIrmed that the stand - on vessel should keep the greatest relative distance for taking best aid - action to avoid collision when the cross angle of course was $90^{\circ}$ and near it(70-$90^{\circ}$ ). 2. When the cross angle of course was $90^{\circ}$ , the minimum relative distance of small vessel(GT: 160-650tons) was found to be more than about 6.8 times of her own length, and those of medium(GT : 2,300-3,500tons), large(GT : 22,OOO-62,OOOtons) and mammoth(GT : 91,000-139,000tons) vessels were found to be more than about 9.0 times, about 5.4 times and about 6.8 times of their own lengths. 3. It was confIrmed that collision danger was greater when crossing angle was obtuse than in an acute angle, therefore greater relative distance was to be kept by the stand - on vessel for taking best aid - action to avoid collision in the case of the obtuse angle. 4. In every vessels, in the case of $90^{\circ}$ cross angle of course the safety minimum relative distance was found to be more than about 9.0 times of their own lengths.

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An Analysis of User's Response to Mega Containership (초대형 컨테이너 선박에 대한 사용자 의향분석)

  • Nam Ki-Chan;Choi Jang-Rim;Yoo Ju-Young;Song Yong-Seok
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2006.06b
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    • pp.301-307
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    • 2006
  • As container traffic in the world increases rapidly, size if containership is become bigger and bigger. With these trends, many studies have. been done on such big ships by consultant, naval architects, port designers, ship operators, economists etc,. with different points of view and results. But previous studies were concentrated on hardware and theoretical side. Therefore the objective of this paper is to analyze response and intention of ship's user such as shipping companies and forwarding companies about prospects of mega-ship size, preference of Mega ship, problem and handling time of Mega ship.

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