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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Navigation and Port Research
Journal Basic Information
Journal DOI :
Korean Institute of Navigation and Port Research
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Volume & Issues
Volume 30, Issue 9 - Dec 2006
Volume 30, Issue 10 - Dec 2006
Volume 30, Issue 8 - Oct 2006
Volume 30, Issue 7 - Sep 2006
Volume 30, Issue 6 - Aug 2006
Volume 30, Issue 5 - Jun 2006
Volume 30, Issue 4 - Jun 2006
Volume 30, Issue 3 - Apr 2006
Volume 30, Issue 2 - Mar 2006
Volume 30, Issue 1 - Feb 2006
Selecting the target year
The Effect of Repeated Mariner Training Using a Ship-Handling Simulator System on Ship Control
Lee Jae-Sik ; Lee Joon-Bum ; Oh Jin-Seok ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 427~432
DOI : 10.5394/KINPR.2006.30.6.427
The purpose of the present study was to investigate the effect of mariner`s situation awareness(SA) training on navigation performance using a full mission ship-handling simulator. For this purpose, the mariners were trained in terms of various aspects of SA. Independent variables such as risk levels of ship-to-ship collision, navigational route types of `target ship(TS)`, and number of ships around the own ship(OS) were systematically varied, and dependent variables of closest point of approach(CPA) between TS and OS, number of collision, types of collision-avoidance strategy were measured The results can be summarized as followings. First, training on mariner`s SA appeared to induce improved performances in various aspects of ship handling. Second, mariners in the routine navigation situation where TS had priority following maritime rules seemed to suffer to prepare collision avoidance when the TS altered its route. However, this tendency greatly reduced after the training These results suggest the benefit of mariner`s SA training on maritime safety.
A Time Domain Analysis of Moored Ship Motions with Resonant Period of a Tsunami
Cho Ik-Soon ; Lee Yun-Sok ; Lee Choong-Ro ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 433~438
DOI : 10.5394/KINPR.2006.30.6.433
Recently, the earth scale disaster is occurring frequently. Under the effects of global warming, the weather has become unseasonable worldwide. Hence, the earth is experiencing unstable condition with many disasters such as storms and flood damages as well as earthquake. Therefore, it is necessary to consider what we am do to prevent disasters. Consequently, recent warnings indicate that there is a potential risk of massive earthquakes. Consideration of the effects of tsunami to the moored ship is very important. Operational problems such as moored ship motions sometimes become remarkable with large amplitude and long periods in harbor. Moored ship motions may cause the breakage of mooring systems such as mooring lines, fenders or quay. Large and long period moored ship motions are caused by resonant effects. In this paper, the moored ship motions within a harbor by the large-scale tsunami and the effects on the motions and mooring loads with resonant effects are investigated by numerical simulations.
Characteristic of Buckling and Ultimate Strength of the Perforated Stiffened Plate
Park Joo-Shin ; Ko Jae-Yong ; Oh Kyoung-Gun ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 439~446
DOI : 10.5394/KINPR.2006.30.6.439
In ship structures many of the structural plates have cutouts, for example, at inner bottom structure, girder, upper deck hatch, floor and dia-frame etc. In the case where a plate has a cutout it experiences reduced buckling and ultimate strength and at the same time the in-plane stress under compressive load produced by hull girder bending will be redistributed In general, actual ship structure adopted reinforcement of stiffener around the cutout in order to preventing from buckling so it need to examine a buckling and ultimate strength behaviour considering a cutout because In many ship yards used class rule for calculating buckling strength but it is difficult to evaluate perforate stiffened plate with random size. In the present paper, we investigated several kinds of perforated stiffened model from actual ship and then was performed finite element series analysis varying the cutout ratio, web height, thickness and type of cross-section using commercial FEA program(ANSYS) under compressive load.
Development of Dry Process Caisson Method for Maintenance of Submerged Harbor Structure
Lee Joong-Woo ; Oh Dong-Hoon ; Kwak Seung-Kyu ; Kim Sung-Tae ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 447~455
DOI : 10.5394/KINPR.2006.30.6.447
Together with the trend of enhancement in domestic industrial development and economic progress due to import and export, the demand for construction of the roads, bridges, especially port facilities, and several coastal protection and ocean structures is increasing rapidly. MOMAF of Korean Government is driving construction cf 9 new ports and renovation cf the existing fishery ports. Among these structures most of bridge base, wharves, dolphins, quays, and jetties are being newly built cf steel or concrete pile. As the base, supporting bulkheads, and piles are underwater after construction, it is difficult to figure out the status of structures and not enough to get maintenance and strengthen the structures. Every year, moreover, these works suck the government budget due to higher incomplete maintenance expense for protection from corrosions cf structures and increased underwater construction period. For the purpose cf cutting down the expense cf government budget, it is necessary to extend the life cycle of the existing structures. Therefore, we developed a new method for maintenance of submerged structures near the waterline by allowing dry work environment with the floating caisson. The method shows easy to move around the working area and handle. It also showed not only a significant reduction of maintenance expenses and time for anti-corrosion work but also better protection This will be a milestone to reduce the maintenance and construction expenses for the shore and water structures.
Assignment and Operation Sequencing for Remarshalling of a Vertical Yard Block in Automated Container Terminals
Bae Jong-Wook ; Park Young-Man ; Kim Kap-Hwan ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 457~464
DOI : 10.5394/KINPR.2006.30.6.457
Remarshalling operation is one of the operations considered important in an automated container terminal to perform quickly loading operations and delivery operations. It arranges the containers scattered at a verticla yard block in order to reduce the transfer time and the rehandling time of ATC(Automated Transfer Crane)s. This paper deals with the remarshalling planning problem minimizing the weighted operation time. This problem can be decomposed into 2 subproblems, storage space assignment problem and operation sequencing problem Storage space assignment problem decides to where containers are transported in terms of transportation time cost.. With results of a previous subproblem, operation sequence problem determines the ATC operation sequence, which minimizes the dead-heading of ATC This study formulates each subproblem with mixed integer program and dynamic program. To illustrate the proposed model, we propose an instance to explain the process of remarshalling planning.
Estimation of cost value of container handling according to vessel`s size - Focus on time value cost -
Song Yong-Seok ; Nam Ki-Chan ; Hur Yun-Su ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 465~470
DOI : 10.5394/KINPR.2006.30.6.465
Nowadays, vessel`s size is tending to bigger, Therefore port facilities are developed according to this trend, which has been shown in the competition of Hub-Port among the main ports such as Port of Busan and Port of Shanghai. However there are the limited number of large containerships more specifically so 70% of the total ships calling at Busan Port are small and medium sized ships which are less than 20,000 ton As a result, it is necessary to consider the handling facilities of these ships which had been disregarded The big size of facilities increases handling cost bemuse of high investment so it is possible for small and medium sized ships to have disadvantages financially and avoid calling. In this paper, we estimate the propriety of utilization of crane and labor according to the size of vessels after analyzing time value cost, reflecting the size of vessels, size and number of crane and labor structure, and container handling cost value.
A study on strategies to attract container cargoes in Incheon - with the case of container O/D analysis -
Chung Tae-Won ; Choi Sae-Kyung ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 471~481
DOI : 10.5394/KINPR.2006.30.6.471
This paper aims to provide strategies to attract container cargoes for the Incheon port by analysing O/D of the container cargoes with the year-2004 export and import data from. The Korean customs service. O/D analysis was carried out with establishing optimal zones, which are defined as City, Gun, Gu(Korean administrative districts) to which the export-import service can be provided from a certain port with minimized freight(or transport) cost and stevedoring fee. For the Incheon port, 35 administrative districts including Seoul and Incheon in Kyunggi-Do and Kangwon-Do are recognized as the optimal zones, and approximately 25.50% of around 2.02-million-TEU per year of the cargoes from the zones are exported and imported through the port. The strategies to attract container cargoes was suggested by comparing the Incheon port to supposed-competitive ports. The Busan port(64.89%), Guangyang port(4.46%) and Pyeongtaeck port(3.35%) are supposed as the competitive ports which have a large proportion of handling the cargoes from the optimal zones. When comparing the Incheon port to these ports. The Incheon port requires a distinctive cost strategy, providing incentives to attract shipping companies and cargoes, improving efficiency related to loading-unloading at the port, and reinforcing Feeder-Network and advertisements about cost-saving to the shippers(the owners of goods) in the national capital region Consequently, the mentioned requirements are suggested as the strategies to attract cargoes for the Incheon port.
An Empirical Study on the Effects of the Internal Company Factors and External Environment Factors on the Usage Level and Performance of Electronic Commerce in the Shipping Companies - Primarily on the Liner Shipping Business -
Cho Kyung-Woo ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 483~489
DOI : 10.5394/KINPR.2006.30.6.483
The purpose of this study is to suggest logical foundation and points which are necessary for establishing E-commerce cf Korean shipping companies` development strategy and activation plan. In order to do empirical analysis, two step analyses are adopted. Firstly, this study examines the effects of the shipping company character and the shipping environment character on the usage of E-commerce in the shipping companies. Secondly, this study examines the effects of usage of E-commerce on the performance in shipping companies. In the empirical analysis, research hypotheses are being tested mainly by a structural equation model(SEM).
A Heuristic for the Realtime Ship Load Planning in Container Terminal
Seo Kyung-Moo ; Lee Jong-Ho ; Shin Jae-Young ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 491~498
DOI : 10.5394/KINPR.2006.30.6.491
In container terminals ship loading plan for efficient loading is made before the ship arrives. But after the ship arrives sometimes real loading state of the ship is different from planned loading state. Or sometimes the plan is not available. Hence ship loading plan must be adjusted immediately and that algorithm must be studied. In this study we organize the situations said before. And we present realtime ship loading plan method. The method is suitable for the situations, rational, and immediately able to use.
A Technical Review of Container Terminal Remodeling : the Case of Busan Port
Choi Yong-Seok ; Kim Woo-Seon ; Ha Tae-Young ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 499~508
DOI : 10.5394/KINPR.2006.30.6.499
Many changes lie ahead for Korea both domestically and internationally including opening of Busan New Port, more active Gwangyang Port as well as rapid growth of Shanghai Port and enhanced services and productivity at Shenzen Port. Compared to newer ports, container terminals in Busan Port possesses old equipment and facilities. Therefore, in order for Busan Port to maintain its service level and remain competitive, it needs to undergo remodeling to enhance productivity. Remodeling activities should be implemented on a continual basis by developing and applying new technologies such as those for gate system, berth system, yard system, and IT system In order to review the alternatives, we performed questionnaire survey and interview. From the result of analysis, we designed the application plan based on priority in remodeling, period of technology application, and direction for application.
An Analysis of Port Competition Structures
Kim Tae-Won ; Yoo Joo-Young ; Kim Hyun ; Kwak Kyu-Seok ; Nam Ki-Chan ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 509~515
DOI : 10.5394/KINPR.2006.30.6.509
As international trade has been increased, the competition of major ports is getting hard. The objective of this competition is that to get more cargoes, so port managements and operators are struggling to obtain cargoes. In addition the competition structure has classified several forms bemuse of specialization, integration and subdivision of port players. In this paper, therefore, we analyze the change of competition structure by port players` development characteristics. In the result of this study, competition structure is divided into five groups as among nations, among ports, among container terminal operation companies, among global container terminal operation companies and among container terminal operation companies operated by shipping companies. And they have showed not only competition but also co-operation partly in order to get strategic position
Analysis and Plans for the Improvement of Domestic Tally Industry
Lee Myoun-Soo ; Kim Sung-Soo ; Han Yu-Nam ; Kwak Kyu-Seok ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 517~524
DOI : 10.5394/KINPR.2006.30.6.517
World ports and shipping markets are changing dynamically. The 9,000TEUs classed container vessels are avaiable to enter service now, so liner services are ready to start. With regard to the changing environment, the world ports ease regulations as well as invest funds to be leading ports. As a result, the importance of port logistics industry is getting bigger than before. It has an effect on improvement of service quality when a shipping company selects a port. The importance of tally, one cf the necessary elements in the port logistics industry is overlooked and there is no researches for tally yet. This paper suggests plans for the development of domestic tally after the investigations and analysis of survey are conducted.
Standardization of Maintenance and Failure of Transfer Crane
Yun Won-Young ; Lee You-Hyoun ; Ha Young-Ju ; Kim Gui-Rae ; Son Bum-Shin ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 525~531
DOI : 10.5394/KINPR.2006.30.6.525
In the port, the yard crane is very important. If a container crane or a transfer crane is broken down, it costs a lot because of the delay of work during the period of repair or reorder. But, we don`t have enough spare parts because of the high cost. It is necessary to maintain high reliability of the crane through effective preventive maintenance and failure analysis. In this paper, we analyse the function and failure mechanism of the transfer crane which is a main equipment in the yard Also, we standardize failures and maintenance works using the historical data of failure and maintenance. This study which is a basic work for effective equipment operation and maintenance will support reliability engineers to decide the optimal design of the next generation equipment and operational policy of equipment.
Variation of Harbor Oscillations in Yeongil Bay
Jeon Min-Su ; Lee Joong-Woo ; Jeong Jae-Hyun ; Yang Sang-Yong ; Jeong Young-Hwan ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 533~539
DOI : 10.5394/KINPR.2006.30.6.533
Today the harbor oscillation problems are the most significant factor to design harbors serving the very large ships. Large vessels moored in the elastic hawsers at the coastal harbors are often displaced due to the resonance between the long period waves and mooring system. The cargo handling may be interrupted and the hawsers may be broken, especially when the amplification becomes remarkable. The most significant harbor which is confronted with harbor oscillation problem in Korea is the Pohang New Port. Many cases of problems are being notified by the pilot association and local office of MOMAF. However, it is difficult to prevent the arrival of long waves musing oscillation within this harbor. Moreover, government already started new port plan at the mouth of Yeongil Bay without treating problems occurred in the Pohang New Port. This study deals with the variation of harbor oscillation due to the construction of 4.1km breakwater at the bay mouth and new port plan. Numerical method used are fairly standard form from the extended mild slope equation The obtained numerical results were compared with the field measurement from the previous study and this will bring a certain level of discussion and consideration of variation in the future port development.
A Study on Waterfront Landscape Planning for Busan North Port Redevelopment Area
Lee Han-Seok ; Jung Won-Jo ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 541~549
DOI : 10.5394/KINPR.2006.30.6.541
This study is to propose guidelines on waterfront landscape planning for Busan North Port redevelopment area. In Korea, Busan North Port redevelopment project is the first one which aims to make old port area into citizen-friendly waterfront. It is expected that many ports will be redeveloped soon after this urban waterfront remaking project. This is the basic research to lay groundwork for waterfront landscape planning at port redevelopment area. We analyze good examples of genera/landscape plans for port redevelopment area through case studies and suggest the problems and important elements for making landscape plan of Busan North Port area. Also we propose guidelines for making waterfront landscape plan of the redevelopment area at Busan North Port.
Investigation into Occupational Disease of Merchant Crew
Kim Jae-Ho ; Chang Seong-Rok ; Moon Serng-Bae ; Ha Hae-Dong ; Yang Won-Jae ; Lee Sang-Woo ;
Journal of Navigation and Port Research, volume 30, issue 6, 2006, Pages 551~559
DOI : 10.5394/KINPR.2006.30.6.551
The purpose of this study was to find out morbidity rate and pattern of disease and affect of variables related disease and medical management of seafares`. The subjects this study were 1049 seafares` were took education in Korea Institute of Maritime and Fisheries Technology. This questionnaire was focused on finding the basic data for prevention of disease and promotion health for the seafares`. The collected data were analyzed by using descriptive statistics, Chi-square, cross tab, linear regression by SPSS 10.1 package. The result of this study are as follow. 1)The morbidity rate within recent 12 months was 69.0%. 2)there were significant differences qf occurred disease in age(p<0.05), income(p<0.01), career of ship on board(p<0.01), rank(p<.01), perceived health status(p<0.01), worry of health(p<0.01), fatigue symptoms(0.01), satisfy of job(p<0.05), rest time(p<0.05) 3) Considering disease unable to work more than 4 hour, the number of those who had oral disease 7.3%> tinea 6.6%> gastric ulcer 6.4, and musculoskeletal disease group were 20.9%, which revealed the highest rate oral disease 13.6%> skin disease> 12.4%, digestive disease> 12.1%. 4) As refer to medical management, The pain above 31days 35.7%, hospitalization and treatment below 7days were each 50.2%, 42.8%, medical service were doctor`s office 27.9, which revealed the highest rate.