• Title/Summary/Keyword: Intermodal transportation

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A Study of the Priority Order Valuation for Multi-Intermodal Transfer Center (복합환승센터 투자우선순위 평가기법 연구 - 경제성분석과 AHP 분석기법을 중심으로 -)

  • Kim, Hwang Bae;Chang, Kyung Uk;Choi, Jin Hee;Kim, Dong Jin
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.30 no.6D
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    • pp.561-567
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    • 2010
  • Recently, several number of Multi-Intermodal Transfer Center are nominated to improve convenience of public transportation user. Due to budget constraints, it should be defined which is the first consideration among the discussed many works. In this circumstance, there are some absurdities in the evaluation of validity of existing methods. Therefore, we suggested the Priority Order Valuation for Multi-Intermodal Transfer Centerer. The evaluation method, we suggested, is considered quantitative analysis and qualitative analysis. In this study, we find out that B/C ratio and construction costs are strongly related to the quantitative analysis so that Multi-Intermodal Transfer Centers in metropolitan area are evaluated the positive results. Therefore, both quantitative analysis and qualitative analysis are applied to the Priority Order, metropolitan area and other area are fairly evaluated the results for the Priority Order.

An Optimal Intermodal-Transport Algorithm using Dynamic Programming (동적 프로그래밍을 이용한 최적복합운송 알고리즘)

  • Cho Jae-Hyung;Kim Hyun-Soo;Choi Hyung-Rim;Park Nam-Kyu;Kang Moo-Hong
    • Journal of Korea Society of Industrial Information Systems
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    • v.11 no.3
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    • pp.20-33
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    • 2006
  • Because of rapid expansion of third party logistics, fierce competition in the transportation industry, and the diversification and globalization of transportation channels, an effective transportation planning by means of multimodal transport is badly needed. Accordingly, this study aims to suggest an optimal transport algorithm for the multimodal transport in the international logistics. As a solution for this problem, first of all, we have applied a pruning algorithm to simplify it, suggesting a heuristic algorithm for constrained shortest path problem to find out a feasible area with an effective time range, which has been applied to the Label Setting Algorithm, consequently leading to multiple Pareto optimal solutions. Also, in order to test the efficiency of the algorithm for constrained shortest path problem, this paper has applied it to the actual transportation path from Busan port of Korea to Rotterdam port of Netherlands.

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Freight Operation System for Rail-Road Intermodal and Multimodal Transportation (철도 연계 및 복합운송을 위한 물류운영시스템)

  • 문대섭;정병현;조혜진
    • Proceedings of the KSR Conference
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    • 2002.10a
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    • pp.307-313
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    • 2002
  • Due to the fact that high speed railroad will be opened to traffic and TSR and TCR will be connected to Korean railroad network in near future, the efficient operation methods of Railroad freight transportation have been embossed as a matter of concern. But, it is true that the present level of our railway infrastructures and operation systems are still low. This study examines the freight transportation system and introduces new logistic service systems including network strategies and terminals which are haying developed overseas to increase the efficiency of existing railroad transportation system. In case of giving careful consideration to the new methods, it is expected that the high developed freight transportation systems will be applicable to our country.

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An Empirical Study on Comparative Analysis of Freight Demand Estimation Methods - Unimodal O/D Based Method and P/C Based Method : Focus on Korean Import/Export Container Freight (수단O/D기반 및 P/C기반 화물수요추정방식의 실증적 비교: 우리나라 컨테이너 화물을 중심으로)

  • Kim, Hyunseung;Park, Dongjoo;Kim, Chansung;Choi, Chang Ho;Cho, Hanseon
    • Journal of Korean Society of Transportation
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    • v.31 no.2
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    • pp.45-59
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    • 2013
  • This study deals with the comparative analysis between two freight demand estimation methods : Unimodal O/D based method and P/C based method. The data of access/egress truck trips has been omitted from the Korean freight unimodal O/D of KTDB. This is because KTDB's unimodal O/D has not marked the series of unlinked trips down as the whole freight intermodal transport and surveyed only the main-haul trips of them. For these reasons, freight intermodal transport mechanism has not been analysed perfectly with Korean unimodal O/D data. This study tries to estimate P/C table of Korean Import/Export container freight and develop the MCC(Multimodal Channel Choice) model. Then, comparing unimodal O/D based method and P/C based method in terms of the switch commodities between production point(the initial point of freight transport) and consumption point(the terminal point of freight transport), unimodal commodities, and commodities on links is conducted. The results show that the P/C based method is able to simulate the freight intermodal transport.

Fuzzy AHP Evaluation for Performance of Container Shipping Companies in Vietnam (Developing on the Model of Previous Study for the Domestic Lines)

  • Yoon, Dae-Gwun;Ngo, Phuong Thao;Keum, Jong-Soo
    • Journal of Navigation and Port Research
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    • v.42 no.5
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    • pp.365-370
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    • 2018
  • Currently, container transport services play a substantial role in global cargo transportation, by serving as an intermodal between exporter and importer. Container shipping has become increasingly important over the past few decades, due to obvious advantages. However, Vietnam's container market has shown severely ongoing competition among numerous domestic and foreign shipping lines, resulting in serious consequences occurring such as freight rates substantially decreasing within the last 10 years. Vietnam's sea lanes have become more defensive, to cover losses of shipping companies. Selection of criteria for competitive evaluation of container transport companies is necessary, to facilitate addressing the problems within the enterprise, especially relating to its position in the market and from here, business management can implement strategic plans and reasonable policy, to survive and grow.

A passenger intermodal transportation system at the high speed rail station (고속철도 연계교통체계의 개념 정립에 관한 연구)

  • 문대섭;권용장;김현웅;김경태;정병현;노학래
    • Proceedings of the KSR Conference
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    • 2000.11a
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    • pp.101-108
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    • 2000
  • Tins paper is designed (ⅰ) to envisage the characteristics of high speed rail stations that will be in operation when the Seoul-Pusan line currently under construction is completed and (ⅱ) to assist policy makers in mapping out transportation strategies by providing insights into how advanced countries have handled problems under similar circumstances. Ultimately, tins paper intends to present alternatives of trans-modal systems in an attempt to set a direction for future policy making in the high speed rail sector. The alternatives recommended in tins report stress two important elements for maximized utility of high speed rail: One is to maintain consistency in transportation policies and the other is to attract consumers to the station areas.

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Fuzzy Multi Criteria Evaluation for Performance of Vietnam Container Shipping Companies (Focussing on domestic companies including to previous study)

  • NGO, Phuong Thao;YOON, Dae-Gwun;KEUM, Jong-soo
    • Proceedings of KOSOMES biannual meeting
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    • 2017.04a
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    • pp.166-166
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    • 2017
  • Nowadays, container transport services play a substantial role in global cargo transportation by serving as an intermodal between the exporter and importer. Container shipping has become increasingly important over the past few decades due to its obvious advantages. However, Vietnam's container market has shown severely ongoing competition among numerous domestic and foreign shipping lines resulting in serious consequences occurring such as the freight rates substantially decreasing within the last ten years. In fact, Vietnam's sea lanes have become more defensive to cover the losses of shipping companies. Selection of criteria for competitive evaluation of container transport companies is necessary to help recognize the problems within the enterprise especially relating to its position in the market and from here, business management are able to put strategic plans in place and reasonable policy in order to be able to survive and grow.

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Study on Freight Transportation with Train Ferry between Korea and China (한.중간 열차페리를 이용한 화물수송방안연구)

  • 이용상;노학래;정병현
    • Proceedings of the KSR Conference
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    • 1999.05a
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    • pp.41-51
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    • 1999
  • Trade between Korea and China was 372million dollars accounting for 1.56% of total in 1988 and has been increased to 23,689 million dollars occupying 7% in 1997, which implies 32.2% increase on average per year. This trend will continue dramatically and consistently as China's open policy toward the world accelerates and korean companies advance into chinese market. The main trade routes are with marine transportation between korean west sea area and chinese San-Dong peninsula around east sea. However, due to the increasing traffic congestion on main roads connecting harbors and main consumer cities and capacity problem in west sea harbor areas, the logistics cost have been increased resulting in losing competitiveness of freight trade. Therefore, these road-oriented inland transportation means need to be changed to rail transport system to reduce congestion and to conserve natural environment. To achieve this scheme, efficient intermodal transportation system connecting road and rail should be constructed. These combined system will ensure timely delivery of goods and consequently the customers would make proper transportation schedule for the import/export goods in advance. Especially, combined transportation of Railroad and train ferry would cope with the logistics problem and this system would be efficient means for trade with not only China but further with many adjacent countries in central asia such as Kazakhstan and Uzbekistan

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Revenue Transfer as an Important Benefit Item for Railroad Investment Analysis (철도투자분석을 위한 효과항목과 수익 고려방법)

  • 서선덕;양근율
    • Proceedings of the KSR Conference
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    • 2001.10a
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    • pp.23-28
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    • 2001
  • What benefit items from railroad investment are evaluated, and how those items are quantified have profound impacts on the feasibility of the proposed investments. They also have implications on the projects priorities, not to mention on intermodal comparison between highway and railroad. Evaluation procedures currently being utilized in Korea show limits in fully evaluating railroads' investment impacts. Economic and practical implications are evaluated for including revenues for railroad investment. Based on the critical evaluation of procedures in other countries, and based on the analysis of Korea's national transportation goals, new and improved benefit items are redefined and quantification guidelines are proposed.

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A Study on Construction of Barge Transportaion System between Incheon and Gaesung (인천-개성 항로 바지 수송시스템 구축에 관한 기초적 연구)

  • Kim, Sang-Hyun;Lee, Seung-Hee;Lee, Young-Gill;Yu, Jin-Won
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.14 no.3
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    • pp.227-233
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    • 2008
  • Recently, the transport quantity of goods between South and North Korea is rising rapidly by increasing of economical exchange between South and North Korea and growth of Gaeseoung industrial complex. In addition to a land transportation route, it is necessary to secure various logistics and transportation route for freight transportation between Incheon and Gaesung. In this paper, we investigated a construction of barge transportaion system between Incheon and Gaesung. The barge transportation system which has many merits such as a little initial investment and convenience of harbor loading/ unloading has been also used to transport freight widely in the EU and USA. Firstly, we investigated barge transport route, marine freight and barge fleet which consists of barge and pusher between Incheon and Gaesung. And next, we designed hull form and general arrangement of a barge and pusher based on shipping service condition, barge fleet, etc. Finally, a construction plans of barge transport system such as a operation of shipping service, berthing facilities, logistics center, intermodal transport are investigated.

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