• Title/Summary/Keyword: Large scale projects

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Analysis of Problems and Improvement of Environmental Impact Assessment in Social-Economic Items Based on 19 Major Large Scale Development Projects (주요개발사업의 환경영향평가서 분석을 통한 사회경제항목평가의 문제점과 개선방안)

  • Lee, Sang-Don
    • Journal of Environmental Impact Assessment
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    • v.13 no.4
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    • pp.165-185
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    • 2004
  • Assessment in Socio-economic items should be used to estimate social influence when policies and projects were introduced. To estimate current situation of socio-economic items 19 Environmental Impact Statement (EIS) of large scale projects were analyzed. The projects were selected based on magnitude of social impact when the projects were implemented. Environmental Impact Statement was categorized into line projects(road construction, railroad construction, stream development, etc), and surface projects(energy development, wetland reclamation, recreation and sport development, and housing and residential development, etc) thus being chosen for 19 projects in each categories. This report was based on the analysis of 7 items in socio-economic environmental items(i.e., population, residents, industry, public facilities, education, transport and historical monument). Most EIS did not follow the regulation suggested by Ministry of Environment, and only current circumstances were briefly described. Indifference of in-depth analysis of socioeconomic environmental items would influence the process of social and environment impact negatively in the midst of construction of National Projects such as Outer Circle Seoul Highways, Saemankeum Reclamation Projects, etc. This abrupt halt of construction was mostly based on a lack of public hearing or public participation. Socio-economic items are also very much lacking in quantitative method and strengthening socio-economic environmental items is needed via checklist or matrix that brings decision-makers better ideas objectively.

Classification of Major Barriers to the Application of RFID Systems and a Guideline for Successful Application (RFID 시스템 도입의 주요 장애요인 분류와 성공적 도입을 위한 가이드라인)

  • Youm, Se-Kyoung;Cho, Sung-Ku
    • Journal of the Korea Safety Management & Science
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    • v.10 no.2
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    • pp.143-154
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    • 2008
  • With the recent rapid growth of RFID technologies, the Application of RFID systems into the medical or the military industries as well as into the distribution and logistics industry are now attempted continuously. The government and private sectors plan to carry out various small and large scale projects related to RFID systems. However, many companies attempting to apply RFID systems applications into their organizations are encountering many several difficulties because of the lack of installation experience and the absence of an useful guideline. This paper focuses on identification and classification of typical barriers to the successful application of RFID systems according to the five-step method of system application process. Moreover a "barrier map" is produced by conducting a survey and interviews by specialists. In addition, a practical guideline to overcome such barriers is presented and discussed.

Process of Formwork Crew Team Formation Based on Work Zoning in Apartment Housing Projects (공구분할기반 공동주택 거푸집공사 작업조 구성 프로세스)

  • Koo, Kyo-Jin;Cho, Dong-Hyun;Lee, Jun-Ho;Park, Sang-Hun;Park, Chan-Soo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • pp.285-286
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    • 2012
  • In the large scale projects, it is difficult to manage every blocks because of the apartment housing project have repetitive shapes and structures. Therefore, it is necessary to divide construction site into work zones and blocks considering site plan, the number of units per each floor, arrangement of blocks, etc. In this study, 20 influencing factors on the grouping of work zones and formwork crew team formation are identified through case study and literature review. Factors are analyzed to determine the degree of influence through experts interviews. A systematic process of crew formation based on work zoning and the considerations by each steps are presented.

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Analysis of influence factors on panelizing of free-form buildings (비정형 패널 분할 시 영향요인 분석)

  • Lee, Donghoon;Lim, Jeeyoung;Kim, Sunkuk
    • Proceedings of the Korean Institute of Building Construction Conference
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    • pp.126-127
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    • 2015
  • New technologies using a CNC machine to reduce the production cost of free-form buildings are being developed. To produce free-form members with such technologies, a vast free form building should be first divided into multiple panels that can be produced. Considering the curved surface of free-form buildings, the shape and size of divided freeform panels vary, which will lead to a great deal of errors. Currently, the engineers and designers complete the panelizing work through trials and errors even in large-scale projects, which results in increased construction duration and cost. Thus, it is necessary to develop a freeform panelizing technology to maximize the economic effects of free-form concrete member production technology. The purpose of the study is to analyze influence factors on panelizing of free-form buildings, which is a preceding research for development of a panelizing technology. The influence factors drawn will provide a core basis for development of panelizing technologies for free-form buildings.

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A Study on the Quantitative Analysis to Determine the Optimal Train Service Patterns and Train-Sets Necessary under SKIP-STOP Operations in the Metro Railway (광역철도의 SKIP-STOP 운영에서 최적 열차패턴 및 차량소요 산정을 위한 정량분석 연구)

  • 오석문;홍순흠;김형진
    • Proceedings of the KSR Conference
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    • pp.135-141
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    • 2002
  • Recently, in the metro railways, researches on the skip-stop operation and development of the double deck train-set are active, which is to improve the service quality through reducing the passenger travel time and suppling seating service. Constructing new line or reforming the existent line needs huge amount of budget. Therefore, previous to start these large scale projects, scrutiny on benefit improvement, cost reduction and those optimal trade-off is indispensable. In this paper, a quantitative analysis to determine the optimal train service patterns and train-sets necessary is proposed, under the skip-stop operation condition in the metro railways. The analysis models are formulated in mathematical programming model, and tested validity using the LINGO 7.0.

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A critical analysis of the Incheon Free Economic Zone:Can Incheon move beyond being a gateway to Seoul?

  • McCarty, Dakota;Park, Ju Moon
    • Journal of Urban Science
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    • v.7 no.2
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    • pp.61-70
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    • 2018
  • Incheon, South Korea, is a rapidly growing port city that has long held an important role in the country. While for most of its history it has been considered more of a coastal extension of Seoul, it is now trying to grow from that role and become a global city. National and local initiatives and acts have led to the Incheon Free Economic Zone (IFEZ). This large zone connects three smaller districts into one large project. The goal of the project is to assert Incheon as its own city and go beyond its role as merely a gateway to Seoul. However, as most large-scale projects go, there are multiple issues and constraints faced by the IFEZ. This paper analyzes the project and gives critique on how the project could possibly achieve its goal more quickly.

Long-term consolidation characteristics of dredged and reclaimed ground (준설매립지반의 장기압밀 특성)

  • Lee, Choong-Ho;Kim, Ju-Hyun;Baek, Won-Jin;Chae, Young-Su
    • Proceedings of the Korean Geotechical Society Conference
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    • pp.486-493
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    • 2008
  • Consolidation settlements on marine dredged clays are often greatly and potentially damaging to structures. Currently, large-scale projects are in planning or progressing in Korea. These projects has been performed on thick and soft clay layers. So, the evaluation of long-term consolidation settlement is very important in design and construction. Therefore, In this study, a long-term consolidation characteristics of marine dredged clays are investigated. First, the relationship of $C_{\alpha}/C_c$ on marine dredged clays near Gwang-yang Port was evaluated. Second, long-term consolidation characteristics of the pseudo-preconsolidated ground were evaluated.

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Preliminary Feasibility Study for Water Resources Policy Effect Analysis Direction (수자원분야 예비타당성 조사 정책효과 분석 방향)

  • Seong, Yeonjeong;Choi, Seungan;Kwon, Hyun-Han;Jung, Younghun
    • Journal of Korean Society of Disaster and Security
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    • v.14 no.3
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    • pp.1-16
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    • 2021
  • Recently, large-scale projects are required in the water resources sector considering safety and publicitythe due to uncertainty of securing water resources and changes in the ecological environment by climate change. Among these large-scale projects, the projects that fall under the preliminary feasibility study are determined by comprehensive analysis based on economic analysis, policy analysis, and balanced regional development analysis. However, most of the results of the preliminary feasibility study showed a tendency to depend heavily on economic analysis. For this reason, projects in non-metropolitan areas sometimes fail in the preliminary feasibility study. To supplement this point, the Korea Development Institute revised the standard guidelines for preliminary feasibility studies for water resources sector projects that place a high weight on policy feasibility analysis. Therefore, the objective of this study is to analyze the cases of the preliminary feasibility study conducted previously and to suggest the direction of policy analysis in the preliminary feasibility study for water resources sector projects. For this, we analyze preliminary feasibility studies conducted for 18 years from 2002 to 2019, and suggest direction of policy analysis method using the benefit items not included in the economic analysis.

Joint bibliometric analysis of patents and scholarly publications from cross-disciplinary projects: implications for development of evaluative metrics

  • Gautam, Pitambar;Kodama, Kota;Enomoto, Kengo
    • Journal of Contemporary Eastern Asia
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    • v.13 no.1
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    • pp.19-37
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    • 2014
  • In an attempt to develop comprehensive evidence-based methods for evaluation of the R&D performance of cross-disciplinary projects, a joint bibliometric analysis of patents and publications was performed for two industry-university-government collaborative projects aimed at commercialization: Hokkaido University Research & Business Park Project (2003-2007; 63 inventors; 176 patents; 853 papers), and Matching Program for Innovations in Future Drug Discovery and Medical Care - phase I (2006-2010; 46 inventors; 235 patents; 733 papers). Besides the simple output indicators (for five years period), and citations (from the publication date to the end of 2012), science maps based on the network analysis of words and co-authorship relations were generated to identify the prominent research themes and teams. Our joint analysis of publications and patents yields objective and mutually complementing information, which provides better insights on research and commercialization performance of the large-scale projects. Hence, such analysis has potential for use in the industry-university project's performance evaluation.

$C_a/C_c$ for Soft Clay at the Southern Port of Korea by Laboratory Consolidation Tests (실내압밀시험에 의한 남해안지역 연약점토의 $C_a/C_c$ 평가)

  • 김규선;임형덕;이우진
    • Proceedings of the Korean Geotechical Society Conference
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    • pp.70-77
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    • 1999
  • Consolidation settlements on soft clay are often large and potentially damaging to structures. Currently, large-scale projects are in progress in Korea. These structures will be constructed on both thick and soft clay layers, and so the accurate evaluation of magnitude of settlement is required at every step in design and construction. Especially, secondary compression play an important role in consolidation settlements on soft clay. Generally, the magnitudes of secondary compression are evaluated by laboratory and in-situ consolidation tests or by empirical $C_{a/}$ $C_{c}$ relationships. The empirical $C_{a/}$ $C_{c}$ may not be only economical, but a fast and powerful tool in estimating secondary consolidation settlement. However, databases of the $C_{a/}$ $C_{c}$ relationship for sites in Korea are currently insufficient. The purpose of this study is to investigate the relationship of $C_{a/}$ $C_{c}$, on marine clay near the southern sea in Korea. In this study a series of incremental loading consolidation tests (measuring base pore water pressure) are performed. It was found that the $C_{a/}$ $C_{c}$ on undisturbed marine clay equaled 0.0397. This value is similar to the value proposed by Mesri and Castro(1987) for inorganic clay and silt. and silt. and silt.

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