• Journal of the Korean Institute of Landscape Architecture
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• v.30 no.1
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• pp.52-60
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• 2002

This paper presents a streetscape design for "Dangiae-Gil"which is located at 126-1 Yangpyung-2dong, Yeongdeungpo-gu, Seoul and is about 500m in length and about 24m in width. The design goals are to make a green street on which people want to walk and people can walk and rest safely and pleasantly. To achieve these goals, concepts of environmentally-friendliness, placeness, safety, amenity, vitality, connectivity, and democracy are developed. For pedestrian safety, shared street concepts, such as crank, slalom etc. are adopted. The site is divided into 5 thematic spaces, such as "Village Entrance Space", "Culture Street", "Dangsan Park", "Nature Street", and "Ferry Space". The Village Entrance Space, which is an entrance of the Dangjae-Gil and a welcoming space, is for communicating information about the area. "Dangnamu"(zelkova tree) and signs are introduced here. The Culture Street is for experiencing past and present culture of the area. Colored tiles and plant boxes attached to benches are introduced. The Dangsan park is a sacred space where modem people can feel the sacredness of nature arid of being in a refuge. Dangjib, Dangnamu, multi-purpose plaza, athletic facilities, and playground for infants are introduced. The Nature Street is a space for feeling and teaming nature which has disappeared from the area leading to the river and a space for community participation. The elementary school walls were demolished and nature education spaces, such as butterfly and dragonfly garden, ecological pond, wildflower garden, etc., which are related to school education, are introduced. The Ferry Space is a space symbolizing a old ferry crossing and an entrance plaza to a bridge for "Sunyu-do\" . A boat-shaped deck, an elevator for handicap people, and parking space are introduced. In conclusion, sustainable management schemes for the site are suggested.sted.

• Journal of the Korean Society of Marine Environment & Safety
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• v.26 no.4
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• pp.403-411
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• 2020

This paper discusses the main findings of the development of the twin-hull Car ferry for island freight and passenger transport. The final model had a 19 m wide beam to create enough space for cars on the deck area and thus, enhance the economic feasibility in the market. The vessel had a V-shape with a bulbous bow to minimize the wave-making resistance and the hydrodynamic performance of the ship was verified through computational fluid dynamics. Multi-objective optimization problems of Pareto simulated annealing were used to achieve a weight reduction of approximately 3.9 % and reduce the manufacturing cost. The main results obtained in this study are expected to be useful to engineers and professionals in related industries interested in research on twin catamaran.

• Journal of Korea Port Economic Association
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• v.23 no.1
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• pp.61-73
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• 2007

Creating more efficient and effective intermodal transportation service in Northeast range is a critical issue because of more increased trade volume & demand for intermodal service in the world market and geographical barriers associated with goods transportation, especially in Korea, China and Japan. This study examines the possibility of Rail-ferry introduction and possible route in Northest area which can provide each country mutual economical and logistical satisfaction. But, this study requires more empirical and concrete examination based on the cost & benefit analysis.

• Journal of the Korean Society of Marine Environment & Safety
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• v.21 no.6
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• pp.729-736
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• 2015

In this paper, It was performed to optimize for the deck's structural design of a double ended car ferry ship respect to Goal-Driven Optimization (GDO). It was examined for the strength and deformation of the deck and determined to save economic cost the optimal point. The deck thickness based on the Design of Experiments (DOE) and response surface method was increased to 110%. and can improve the deck's strength and stiffness. By performing the regression analysis respect to the result, we propose the optimal regression model formula as a third degree polynomial regression models. The coefficient of determination $R^2$ was about 0.98 and reliability could be obtained.

• Journal of Digital Convergence
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• v.12 no.11
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• pp.1-12
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• 2014

Today, scale of a disaster becomes huge, all the available resources should be mobilized to control the disaster situation, and situations of the disaster site is broadcasted by the various media on a real-time basis. Accordingly, The commander of the disaster site should manage the situation taking all the factors into consideration. Despite the importance of the factors affecting the command of disaster site, there are not much research on this topic. This study utilizes METT-TC(Mission, Enemy, Troops, Terrain and weather, Time available, and Civilian considerations) which is applied in a combat situation by the military area and proposes MORT-TEC(Mission, Object, Resources available, Terrain and weather, Time available, Exercise, and Civilian considerations) as factors affecting the effective command of disaster site. These factors are applied to the Sewol Ferry Incidents and policy implications which can help researchers and practitioners in the area are suggested.

• Journal of Navigation and Port Research
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• v.34 no.3
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• pp.257-265
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• 2010

This research aims to grasp ripple effect of land space by assuming the linkage of transcontinental railway, asian highway, rail ferry and undersea tunnel. The result of research was drawn positively. But all region don't have same result. Pacific Yellow Sea of Chnia has better route on the present sea transport. The other region has better route on changing network. This research has some academic significants as a research start in an unexplored field and basic research for following research. Also, Academic contribution is in attempt to analyze effect size, change of effect and contribution of balance development by linkage of ultra infra structure and gives political proposals for related research development.

• Journal of Korea Port Economic Association
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• v.22 no.3
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• pp.97-140
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• 2006

The purpose of this study is to activate Korea's coastal passenger shipping by improvement of the deterrent factors on the basis of field data collected in order to help stimulate it and enhance its competitiveness. As the representative model of this study, the "P" car-ferry liner was chosen, whereby various deterrent factors were observed in the course of the SWOT analysis and through the questionnaires. The major deterrent factors in summary were inflexible government regulations for additional ship operation, disadvantages of taxes policy, port facility shortages, non-allowing of ship's night operation, complicated and inflexible ship's operation controls by the concerned authorities, unreasonable divisions of steaming areas, and existences of obstacles on the ship's running routes, etc. which considered all are important to activate the liners.

• Journal of the Korean Society of Marine Environment & Safety
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• v.27 no.6
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• pp.856-866
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• 2021

The increasing international awareness regarding air pollutant reduction has resulted in increasing demand for eco-friendly ships; hence, electric ships are being actively developed by various countries. Presently, studies on electric ships are mainly focused on electric propulsion systems and electric motors. However, from the ship perspective, there are no studies on conceptual designs for coastal car ferries powered by removable power supply systems. In the present study, the main research consideration is regarding the conceptual design of a fully electrified car ferry using a battery-based removable system as the main power source. By analyzing the dimensions of more than 100 domestic coastal car ferries, the main criteria satisfying the requirements for developing a suitable vessel were derived, and a study on intact/damage stability was conducted considering the application of a removable battery truck. Further analyses of the problems concerning the conceptual design were also performed to derive solutions.

• Stress
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• v.25 no.2
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• pp.105-119
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• 2017

Backgound: The first step in disaster response is preparation, and education and training of workforce are considered as important elements of preparedness. The purpose of this study was to identify the needs of volunteers by exploring service experiences after a disaster to develop volunteer education programs. Methods: Participants were 11 volunteers who had supported the victims' families during about 1 year after the Sewol ferry disaster. Focus group interviews were conducted to investigate the experience of volunteer at the levels of individual, within-team and between-teams, and to discover the need of further training. Results: The results showed that the needs for self- and team-care and advanced education were reported. Conclusions: These results were discussed in terms of development of competence and mental health needs disaster volunteers. Limitations of this study and directions of future research were suggested.

• Korean Journal of Culture and Social Issue
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• v.22 no.3
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• pp.411-430
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• 2016

The purpose of the present study was to examine psychological consequences of indirect trauma exposure through the disaster news. Participants(N=439) completed some self-report questionnaires such as Posttraumatic Risk Checklist(PRC), Impact of Event Scale-Revised(IES-R), and Multidimensional Fear of Death Scale(MFODS) at 68.11(±18.47) days after the Sewol ferry disaster. The data were analyzed with structural equation modeling by AMOS 23.0 program. The results showed that fear of death and periand post-traumatic crisis factors mediated the association of news exposure immediately after disaster and posttraumatic stress symptoms. Findings in this study indicated that news exposure immediately after disaster influenced fear of death which led to the peri- and post-traumatic crisis, and these crisis factors increased posttraumatic stress symptoms. Finally, limitations of this study and suggestions for future study were discussed.