• Title/Summary/Keyword: Harbour

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A Fundamental Study on Structure Health Monitoring System Based on Energy Harvesting of Harbour Structure (자가발전기반 항만 구조물 건전성 모니터링 시스템에 대한 기초연구)

  • Jong-Hwa Yi;Seung-Hyeon Lee;Young-seok Kim;Chul Park
    • Journal of the Society of Disaster Information
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    • v.18 no.4
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    • pp.847-860
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    • 2022
  • Purpose: The purpose of this paper is to present a basic study on the development of a self-generation infrastructure for monitoring the health of harbour structures. Method: By developing a self-generation system and fiber optic sensors for seawater, the study provides basic research data on port structure health monitoring. Result: Through sunlight simulation analysis, 4-5 hours of sunlight can be secure in the domestic environment. Through this, the optical splitter (Introgate) that collects the raw data from the FBG sensor applicable to seawater, the MCU that calculates it, the IoT module with wireless communication functionality, the monitoring server and the supply system are set up. Conclusion: Monitoring port structures directly with fiber optic probes (FBG) and the possibility of using selfpowered systems were confirmed.

Change Pattern Analysis of the Salinity, 55 and DO Concentrations in Jumunjin Harbour, Gangneung (강릉 주문진항 염도, 탁도 및 응존산소 농도 변화양상 분석)

  • Cho, Hong-Yeon;Kim, Chang-Il;Lee, Dal-Soo;Han, Dong-Jun
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.19 no.4
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    • pp.385-398
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    • 2007
  • It was analysed that spatial and temporal change patterns of general water quality constituents were measured monthly from 2002 to 2005 in Jumunjin Harbour. The measured constituents are temperature, salinity, pH, SS and DO. Concentration difference of upper lower layer for general water quality constituents was small. Temperature and DO concentration show the clear difference at temporal concentration change pattern, but SS, pH and salinity have irregular change pattern. Also, water quality improvement effect of seawater exchange facilities and sewage treatment plants is analysed quantitatively using averaged spatial and temporal data set. From this result, it is found that effect of sewage treatment plants is small and seawater exchange facilities at zone 1 and 2 is clear concentration reduction effect to be about 26% and 16%, respectively. After sewage treatment plants operation, DO concentration reduced about 10% at inner zone of Jumunjin Harbour, the other side, after seawater exchange facilities concentration DO concentration increased about 10%. DO concentration at 2005 estimated little than that of 2002, it is concluded that a yearly change of DO concentration has about 10%.

A Study on Inspection Status of Port State Control and Improvement Measures in Korea (우리나라 항만국통제 점검 실태와 문제점 개선에 관한 연구)

  • Kim, Sun-Tai;Gang, Sang-Geun;Jeong, Jae-Yong;Kim, Deug-Bong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.20 no.6
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    • pp.671-676
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    • 2014
  • Based on the data of PSC information management system of MOF(Ministry of oceans and fisheries) and APCIS(Asia-Pacific Computerized Information System) of Tokyo-MOU information system, the result of the evaluation on the reality of PSC was done, and base on 2009, it showed a trend of decrease in every DFR(Deficiency Rate) and DTR(Detention Rate). But for vessels built for more than 30 years, flags of convenience vessels, RO-RO ferry and general cargo vessel, small size vessels with gross tonnage less than 1,000 ton showed a high DFR and DTR. Each harbours is classified by the total harbours' average DFR which was 82.5 % and the average DTR was 5.1 %, excluding the Jeju harbour, showing a hugh deviation for classification of each harbour. Classification of each harbour has to be inspected by PSC and it showed a great unbalance of the number of vessels for each territory for inspection. the biggest problem with our country's PSC, where it was pointed out by the PSCO was lack of workers and independent inspection by just one worker. To strength the substantiality of the inspection of our country is to have concentrated inspection on the high risk cautious vessels, forming a human network each classified by four different sectors of the area, recalculating the amount of assignment of inspection classified by each harbour and securing workforce the PSCO improvements are necessary.

A Study on Hazards to Pilotage Safety in a Pilotage Area in the Busan Gamcheon Port (부산 감천항 도선구의 도선안전위해요소에 관한 연구)

  • Sei-hun Kim;Bong-kwon Choi;Ji-ung Choi;Tae-Seok Song;Young-soo Park;Dae-won Kim
    • Journal of Navigation and Port Research
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    • v.47 no.6
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    • pp.341-349
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    • 2023
  • Gamcheon Port, which is one of three major harbors in the Port of Busan, is being operated to load, discharge and transport a wide range of cargoes, including general cargo, fisheries, steel products, cement, etc,. The harbor, designated as a compulsory pilotage area, provides pilotage services in compliance with relevant laws and regulations for arrival and departure of vessels in the Gamcheon Port area. Some academic research on the marine traffic environment in Gamcheon Port has been conducted. However, the pilotage environment and hazards to pilotage safety in the port have yet to be studied. Therefore, in this research, the pilotage environment and hazards to pilotage safety were identified, and it was confirmed that there are hazards to pilotage safety, such as vessels installed poor facilities including damaged pilot boarding arrangements, vessels blocking pilot's view by her structures and fishing nets, vessels unable to communicate in English, vessels not following VTS's order. The hazards to pilotage safety were also stratified, and the importance of the hazards was verified in accordance with a survey based on Analytic Hierachy P rocess(AHP) for Busan Harbor pilots, and safety measures to secure pilotage safety were examined to secure the safety of vessels calling Gamcheon Port.

Financing Strategy for Port Development in response to Unification of South and North Korea (남북한 통일대비 항만개발을 위한 재원조달 전략)

  • 임종길;이태우
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2000.04a
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    • pp.16-32
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    • 2000
  • This paper aims at exploring financing methods for port development in response to unification of South and North Korea. In so doing, methods of port financing employed by major countries have been enumerated. Major financing sources for the two Korea, among others, taxes, public bond, public administration fund, establishment of harbour maintenance tax, port development tax, port development fund, Civil Economic Cooperation Fund of South and North Korea, and Fund for Port Development of North Korea and, fund for cooperation of South and North Korea, Economic Development Cooperation Fund, borrowing of foreign capital, project financing, domestic civil capital investment, foreign capital investment, application of cross-subsidization principle, etc. were suggested.

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