• Title/Summary/Keyword: local capacity building

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On The Licensed Dealer in Landing Markets (중매인에 관한 연구)

  • 유충열
    • The Journal of Fisheries Business Administration
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    • v.5 no.1
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    • pp.9-42
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    • 1974
  • Korea is a peninsular country surrounded by seas on three sides, and the fishing industry has carried out the service of suppling to the people with important anima protein. The distribution of fishery products has very complicated structures, because the production is in charge of small producers scattering along the coast all over the country, while consumpstion is made by separate homes in areas away from producing district. The relation between these two factors the structures make very complicated. The most typical and special structures of fishery distridution are distinguished in two, that is, one is landing market, the other is inland market. Landing markets have been monopolized by fishermen's cooperatives, providing with landing facilities and building sites. Fish markets played not only an important role in the landing, but distribution and price determination of catches by auction or tender. Inland markets are two types of wholesale market in consuming center, one is the terminal market for urban consumers, the other type is the local market for rural consumers. Fundamental functions of landing markets are gathering, assessment, and distribution functions. Gathering function is in charge of wholesaler in fishery cooperative. Gathering amounts are equal to gathering capacity of wholesaler and transact ability of licensed dealers as shown below model. Gathering amount=f.gathering capacity(=pre price.landing facility.account of wholesaler.distance of fishing ground.conveniency purchasing.home port)=fㆍ transact ability of licensed dealers≒f.population or port, and table 1 indicates these relationship. Assessment and distribution functions are in charge of licensed dealers in consumption side. Assessment function should bring the value in production activity through the auction between the cooperative seller and the licensed dealer as buyer. For fair trade transaction in auction, the free competition is supposed to be a prerequisite among the licensed dealers. The ideal condition for free competition is sameness in the scale of buying amount by licensed delaers, but it is almost impossible to attain its goal in actual marketing.

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Experimental study of failure mechanisms in elliptic-braced steel frame

  • Jouneghani, Habib Ghasemi;Haghollahi, Abbas;Beheshti-Aval, S. Bahram
    • Steel and Composite Structures
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    • v.37 no.2
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    • pp.175-191
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    • 2020
  • In this article, for the first time, the seismic behavior of elliptic-braced moment resisting frame (ELBRF) is assessed through a laboratory program and numerical analyses of FEM specifically focused on the development of global- and local-type failure mechanisms. The ELBRF as a new lateral braced system, when installed in the middle bay of the frames in the facade of a building, not only causes no problem to the opening space of the facade, but also improves the structural behavior. Quantitative and qualitative investigations were pursued to find out how elliptic braces would affect the failure mechanism of ELBRF structures exposed to seismic action as a nonlinear process. To this aim, an experimental test of a ½ scale single-story single-bay ELBRF specimen under cyclic quasi-static loading was run and the results were compared with those for X-bracing, knee-bracing, K-bracing, and diamond-bracing systems in a story base model. Nonlinear FEM analyses were carried out to evaluate failure mechanism, yield order of components, distribution of plasticity, degradation of structural nonlinear stiffness, distribution of internal forces, and energy dissipation capacity. The test results indicated that the yield of elliptic braces would delay the failure mode of adjacent elliptic columns and thus, help tolerate a significant nonlinear deformation to the point of ultimate failure. Symmetrical behavior, high energy absorption, appropriate stiffness, and high ductility in comparison with the conventional systems are some of the advantages of the proposed system.

Ultimate strength performance of tankers associated with industry corrosion addition practices

  • Kim, Do Kyun;Kim, Han Byul;Zhang, Xiaoming;Li, Chen Guang;Paik, Jeom Kee
    • International Journal of Naval Architecture and Ocean Engineering
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    • v.6 no.3
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    • pp.507-528
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    • 2014
  • In the ship and offshore structure design, age-related problems such as corrosion damage, local denting, and fatigue damage are important factors to be considered in building a reliable structure as they have a significant influence on the residual structural capacity. In shipping, corrosion addition methods are widely adopted in structural design to prevent structural capacity degradation. The present study focuses on the historical trend of corrosion addition rules for ship structural design and investigates their effects on the ultimate strength performance such as hull girder and stiffened panel of double hull oil tankers. Three types of rules based on corrosion addition models, namely historic corrosion rules (pre-CSR), Common Structural Rules (CSR), and harmonised Common Structural Rules (CSR-H) are considered and compared with two other corrosion models namely UGS model, suggested by the Union of Greek Shipowners (UGS), and Time-Dependent Corrosion Wastage Model (TDCWM). To identify the general trend in the effects of corrosion damage on the ultimate longitudinal strength performance, the corrosion addition rules are applied to four representative sizes of double hull oil tankers namely Panamax, Aframax, Suezmax, and VLCC. The results are helpful in understanding the trend of corrosion additions for tanker structures.

A Strategy Model for Strengthening Knowledge Creation Capabilities of Korean Foreign Subsidiaries (한국기업 해외자회사의 지식창출 역량 강화를 위한 전략모형)

  • Kim, Min Sook;Kang, Han Gyoun
    • International Area Studies Review
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    • v.16 no.3
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    • pp.209-237
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    • 2012
  • Multinational enterprises(MNEs) try to strengthen their global innovative capabilities by incorporating the foreign subsidiaries' knowledge bases. Foreign subsidiaries play an important role in MNEs' knowledge creation activities. This study develops a strategy model that strengthening the knowledge creation capabilities of Korean firms' foreign subsidiaries. Four strengthening strategy types are derived from three research areas related with center of excellence, subsidiary strategic roles, and knowledge creation capabilities. The strategies that strengthen knowledge creation capabilities are including organizational culture and autonomy reinforcing strategy, subsidiary's absorptive capacity reinforcing strategy, local environment management strategy, and network building strategy. Strategic fit conditions which support the success of each strategy type are also discussed.

Development and Application of CFT without Fire Protection using High Performance Steel and Concrete

  • Hong, Seok-Beom;Kim, Woo-Jae;Park, Hee-Gon
    • Journal of the Korea Institute of Building Construction
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    • v.13 no.3
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    • pp.272-281
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    • 2013
  • Concrete filled tube (CFT) columns, which consist of a steel tube filled with concrete, combine the benefits of the two materials. The steel tube provides a confining pressure to the concrete, while the local buckling of steel plate can be prevented by the concrete core. CFT columns also have a high fire resistance due to the heat storage effect of concrete under fire. For this reason, it is possible to develop CFT columns without fire protection measures. CFT columns without fire protection have many advantages, including quality control, cost reduction, better space efficiency and a shorter construction period. Due to these advantages, studies on the development of CFT columns without fire protection measures have been performed. However, CFT columns lose their bearing capacity under fire because the steel tube is exposed to the outside. As a result, the structure is collapsed, causing significant damage. In this research, we made a CFT column using high strength concrete (100 MPa) and high strength steel (800 MPa). We use steel fiber and nylon fiber with concrete to provide fire resistance. We perform the fresh concrete experiment and investigate the fire resistance of the CFT column (${\Box}400{\times}400{\times}15{\times}3000mm$) under loading. To investigate the effect of steel fiber on increasing fire resistance, we compare the fire resistance time according to the steel fiber. Through the test, it was found that the CFT specimen with steel fiber had better fire resistance performance than other cases.

Particle Swarm Optimization for Snowplow Route Allocation and Location of Snow Control Material Storage (Particle Swarm Optimization을 이용한 제설차량 작업구간 할당 및 제설전진기지 위치 최적화)

  • Park, U-Yeol;Kim, Geun-Young;Kim, Sun-Young;Kim, Hee-Jae
    • Journal of the Korea Institute of Building Construction
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    • v.17 no.4
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    • pp.369-375
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    • 2017
  • This study suggests PSO(Particle Swarm Optimization) algorithm that optimizes the snowplow route allocation and the location of the snow control material storage to improve the efficiency in snow removal works. The modified PSO algorithm for improving the search capacity is proposed, and this study suggests the solution representation, the parameter setting, and the fitness function for the given optimization problems. Computational experiments in real-world case are carried out to justify the proposed method and compared with the traditional PSO algorithms. The results show that the proposed algorithms can find the better solution than the traditional PSO algorithms by searching for the wider solution space without falling into the local optima. The finding of this study is efficiently employed to solve the optimization of the snowplow route allocation by minimizing the workload of each snowplow to search the location of the snow control material storage as well.

A Study of the Cooperative System Models for the Regional Central Library (지역대표도서관 중심의 도서관 협력체계 연구)

  • Hahn, Bock-Hee;Lee, Sung-Sook;Lee, Sang-Ho;Oh, Jong-Pil
    • Journal of the Korean Society for Library and Information Science
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    • v.44 no.1
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    • pp.267-295
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    • 2010
  • The Library Act, which was revised in 2006, stipulates that systematical organizations should be established concentrating on the responsibilities and roles of the central government and local metropolitan municipalities in connection with the application of library policies. According to the Act, the Regional Central Library is supposed to apply the library policies covering all kinds of local libraries. Through trial cooperative operation led by the Regional Central Library and survey and discussion among staff, this study reviewed the possible alternatives for coordination in a region focusing on the Regional Central Library. The study proposed a 'Cooperative systematic model led by the Regional Central Library', an 'Operational model', and a 'Step-by-step execution plan' in consideration of the types of regions, the class of the libraries, and their fields. In addition, it presented a 'Scheme for the appointment, establishment, and coordination of the Regional Central Library', a 'Scheme for systematic enhancement', and a 'Scheme for the capacity building of respective libraries'.

Recognition and Improvement of Rural Landscape Management System (농촌경관관리의 인식 및 농촌정관관리 발전방안)

  • Park, Yong-Ha;Kim, Kwang-Yim;Sung, Hyun-Chan;Lee, Gwan-Gyu;Park, So-Hyun;Choi, Jae-Yong
    • Journal of Korean Society of Rural Planning
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    • v.13 no.3
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    • pp.103-110
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    • 2007
  • Land development policy in Korea, characterized by its supply-oriented policy, has driven rapid economic development. However, it has a negative impact on the natural environment across the country. Especially, as the introduction of quashi-farmland system with the deregulation of agricultural land development in the late 1990s, numerous unfavorable landscape features such as road, motels and apartment have emerged in the rural area. As those interfered irreversible rural landscapes have been expanded, the demand for well preserved rural landscapes have been increased. The objectives of this study, thus, is to suggest the mitigations between the land development and conservation of natural landscape. As such, this study examines the recognition of current rural landscape management status through 118 students with two groups of landscape architecture majored (50 people) and non-landscape majored (68). Both group express the negative impression of current rural landscape management system in general and they pointed out the major landscape problems are caused from inappropriate land use. However, in detail those two groups respond differently, for example, the first group selected the damaged landscape is the second cause of the landscape problem, while the other group selected the poorly maintained settlements. Based on the analysis of the survey, this study suggests 3 recommendations in order to improve the sustainable rural landscape as establishing the proper rural land use planning system, building local governments' capacity to actively participate in the rural landscape management, and preparing the landscape management plans considering area distinctive characteristics.

The 3D Modelling of Cultural Heritage Using Digital Photogrammetry (수치사진측량기법을 이용한 문화재의 3차원 모델링에 관한 연구)

  • 김진수;박운용;홍순헌
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.21 no.4
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    • pp.365-371
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    • 2003
  • Digital high resolution cameras are widely available, and are increasingly use in digital close-range photogrammetry. And photogrammetry instruments are developing rapidly and the precision is improving continuously. The building of 3D terrains of high precision are possible and the calculation of the areas or the earthwork volumes have high precision due to the development of the techlique of the spatial information system using computer. Using the digital camera which has capacity of keeping numerical value by itself and easy carrying, we analyze the positioning error according to various change of photographing condition. Also we try to find a effective method of acquiring basis data for 3D monitoring of high-accuracy in pixel degree through digital close-range photogrammetry with bundle adjustment for local terrain model generation and 3D embodiment of tumulus. In the study is about to efficient analysis of digital information data fer conservation of cultural properties.

Policy Evaluation and Improvement Plan of Overseas Construction Engineering Industry (해외 건설엔지니어링산업의 정책평가 및 개선방안)

  • Park, Hwan-Pyo
    • Journal of the Korea Institute of Building Construction
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    • v.18 no.4
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    • pp.375-384
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    • 2018
  • Due to the downturn in the local construction business, entry into the overseas markets has been regarded as one of the core tasks of the building sector and the government. Thus, entry into overseas markets, not only by large and middle-standing enterprises, but also by small and medium sized enterprises, has recently become a major construction policy. Therefore, this study identified and evaluated overseas construction support policies in the field of construction engineering, ranked them as the policies for developing market development funds, fostering and educating expert workers, and supporting the provision of information on winning orders. Through these policy assessment results, the study proposed improvement measures from the government and from the business side. As for the government viewpoint, a measure of providing information suited to engineers in design companies, project manager (PM), construction manager (CM), a measure of producing skillful workers through the expansion of education support policies, and the promotion of specialized overseas workforce in the construction engineering sector were proposed. In the construction engineering industry, this study suggested measures for securing global expert manpower, sharing performance of overseas construction market development project, strengthening construction project management capacity, and strengthening risk management.