• Title/Summary/Keyword: life cycle management

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Issues of New Technological Trends in Nuclear Power Plant (NPPs) for Standardized Breakdown Structure

  • Gebremichael, Dagem D.;Lee, Yunsub;Jung, Youngsoo
    • International conference on construction engineering and project management
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    • 2020.12a
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    • pp.353-358
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    • 2020
  • Recent efforts to develop a common standard for nuclear power plants (NPPs) with the aim of creating (1) a digital environment for a better understanding of NPPs life-cycle management aspect and (2) engineering data interoperability by using existing standards among different unspecified project participants (e.g., owners/operators, engineers, contractors, equipment suppliers) during plants' life cycle process (EPC, O&M, and decommissioning). In order to meet this goal, there is a need for formulating a standardized high-level physical breakdown structure (PBS) for NPPs project management office (PMO). However, high-level PBS must be comprehensive enough and able to represent the different types of plants and the new trends of technologies in the industry. This has triggered the need for addressing the issues of the recent operational NPPs and future technologies' ramification for evaluating the changes in the NPPs physical components in terms of structure, system, and component (SSC) configuration. In this context, this ongoing study examines the recent conventional NPPs and technological trends in the development of future NPPs facilities. New reactor models regarding the overlap of variant issues of nuclear technology were explored. Finally, issues on PBS for project management are explored by the examination of the configuration of NPPs primary system. The primary systems' configuration of different reactor models is assessed in order to clarify the need for analyzing the new trends in nuclear technology and to formulate a common high-level PBS. Findings and implications are discussed for further studies.

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A Study on the Actual Condition of Volunteering Activities in Regards to Age-Integrated Leisure (연령통합적 여가 측면에서 본 자원봉사활동의 연령별 실태 분석)

  • Kim, Hyo-Sun;Yoon, So-Young
    • Journal of Family Resource Management and Policy Review
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    • v.15 no.2
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    • pp.85-101
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    • 2011
  • The purpose of this study is to ascertain the actual conditions of volunteering activities in respect to age-integrated leisure. This study is based on the 2010 Korea Leisure Life Survey. The participants in this study were 3015 people who reside in Korean cities, except for Jeju-do. Questionnaires from the 2010 Korea Leisure Life Survey were used for the final analysis. Data were analyzed through a descriptive analysis, Chi-Square test and ANOVA by SPSS WIN 17.0. The findings indicated that 18% of the participants participated in volunteer activities as leisure in the last one year. The major findings were as follows. First, demographic characteristics such as age, academic career, income, and marital status had a positive correlation with the degree of volunteer participation. Second, there were differences in duration and field of activities according to age. Third, though most of the non-volunteer reasons were 'lack of resources', there were different reasons based on age. In detail, the reason for 10-50 year-olds (economically active population) was 'lack of time', but the more than 60 year-olds was 'health concern'. Consequently, this access to the life cycle study shows the need to improve life satisfaction.

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Study on Detection Technique of Privacy Distribution Route based on Interconnection of Security Documents and Transaction ID (보안문서와 트랜잭션ID 연계기반 개인정보유통경로 탐지기법 연구)

  • Shin, Jae-ho;Kim, In-seok
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.25 no.6
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    • pp.1435-1447
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    • 2015
  • Finance Companies are operating a security solution such as E-DRM(Enterprise-Digital Right Management), Personal information search, DLP(Data Loss Prevention), Security of printed paper, Internet network separation system, Privacy monitoring system for privacy leakage prevention by insiders. However, privacy leakages are occurring continuously and it is difficult to the association analysis about relating to the company's internal and external distribution of private document. Because log system operated in the separate and independent security solutions. This paper propose a systematic chains that can correlatively analyze business systems and log among heterogeneous security solutions organically and consistently based on security documents. Also, we suggest methods of efficient detection for Life-Cycle management plan about security documents that are created in the personal computer or by individual through the business system and distribution channel tracking about security documents contained privacy.

Attitudes on Home Education & Soundness of Home Life (가정교육에 대한 태도와 가정건전도)

  • 이영호
    • Journal of Families and Better Life
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    • v.14 no.3
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    • pp.77-90
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    • 1996
  • The purpose of this study was to examine the relationship between the attitudes of parents on home education and soundness of home life. The samples were composed of 629 home educators selected by family life cycle and local distribution. Consequently the findings of this study were that self-confident attitudes on home education have a significant effect on soundness of home life. Also soundness of home life depend on fathers participation in home education.

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A Model of Time Dependent Design Value Engineering and Life Cycle Cost Analysis for Apartment Buildings (공동주택의 시간의존적 설계VE 및 LCC분석 모델)

  • Seo, Kwang-Jun;Choi, Mi-Ra;Shin, Nam-Soo
    • Korean Journal of Construction Engineering and Management
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    • v.6 no.6 s.28
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    • pp.133-141
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    • 2005
  • In the resent years, the importance of VE (value engineering) and LCC (life cycle cost) analysis for apartment building construction projects has been fully recognized. Accordingly theoretical models, guidelines, and supporting software systems were developed for the value engineering and life cycle cost analysis for construction management including large building systems. However, the level of consensus on VE and LCC analysis results is still low due to the lack of reliable data on maintenance. This paper presents time dependent LCC model based value analysis method for rational investment decision making and design alternative selection for construction of apartment building. The proposed method incorporates a time dependent LCC model and a performance evaluation technique by fuzzy logic theory to properly handle the uncertainties associated with statistics data and to analyze the value of alternatives more rationally. The presented time dependent VE and LCC analysis procedure were applied to a real world project, and this case study is discussed in the paper. The model and the procedure presented in this study can greatly contribute to design value engineering alternative selection, the estimation of the life cycle cost, and the allocation of budget for apartment building construction projects.

Negative Word-of-Mouths in Online Community : Contents and Life Cycles

  • Wang, Chih-Chien;Wang, Pei-Hua;Yang, Yann-Jy;Yang, Yolande Y.H.
    • Journal of Information Technology Applications and Management
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    • v.20 no.3
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    • pp.79-92
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    • 2013
  • Word-of-mouths (WOMs) are now an important information source for purchase decision. Due to the advance in internet technology, people now can share online their consumption experience, both positive and negative, to others. The WOMs may diffuse to not only their friends but also enormous online users. When consumers dissatisfy the product or service, they may share the dissatisfactory experience to others as WOM, which may bring out discussions for the product or service. The discussions on the negative WOM may help to communicate the negative information to enormous others, which may damage the sale of the product or service. The diffusion and life cycle of negative WOM is an important issue for managers. However, few studies focus on it. Thus, the current study focuses on the discussion pattern and life cycle of negative WOMs by observing the 782 discussion articles in a large online community.

A Study on the Home Management Behavior in Employed Wives' Families Based on a System's Approach (체계론적 관점에서 본 취업주부가정의 가정관리행동 연구 -갈등 관리 행동을 중심으로-)

  • Choi, Ho-Sook;Moon, Sook-Jae
    • Journal of Families and Better Life
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    • v.10 no.1 s.19
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    • pp.75-94
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    • 1992
  • The purpose of this study was to provide for the appropriate conflict management strategies to employed wives by investigation casual relations of conflict, resources, home management behavior and managerial satisfaction by applying a system's approach. The data were collected through the questionnaire whose respondent were 388 employed wives. The data were analyzed by various statistical methods such as Frequency, Percentage, ANOVA, F-test, T-test, Pearsons' correlation analysis, Multiple Regression analysis, Path analysys. The results of this study are as follows : 1) Input variables, throughput variables, output variables had differences significantly according to the family life cycle. The employed wives' families which are former term of the family life cycle used more appropriate conflict management strategies than latter term of FLC. That is, the employed wives' families which are former term of FLC had more abundant resources such as cohesive power of family, interaction with relatives, social support, had higher planning score, used more frequent structural management strategies. But, the managerial satisfaction had no differences. 2) For the relation of input variables and throughput variables, the more resources, the lower conflict is the higher planning, implementing score, structural management score. For the relation of throughput variables, the higher planning, implementing, structural management score is the higher managerial satisfaction score. For the relation of input variables and output variables, the more resources, the lower conflict is the higher managerial satisfaction, besides objective and material resource, subjective and psychological resource had influence. 4) among all variables affecting the managerial satisfaction, the commition of housework, cohesive power of family, wives' occupational level had indirect effect on managerial satisfaction through structural managemenet. Only the income had direct effect on managerial satisfaction.

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A Comparative Study on the Life Cycle Cost of Wall Type Apartment and Beam-Column Structural Apartment (생애주기비용 분석을 통한 벽식 구조 공동주택과 장수명 공동주택의 경제성 비교 연구)

  • Lee, Jeehee;Kim, Kyuree;Son, JeongWook;Yi, June-Seong
    • Korean Journal of Construction Engineering and Management
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    • v.15 no.6
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    • pp.35-43
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    • 2014
  • Ministry of Land, Infrastructure and Transport (MOLIT) promote long-life housing to reduce social costs generated by poorly considered rebuilding and extend the life-span of housing. Long-life housing has advantages of durability, floor plan variability, efficient maintenance and ease of remodeling because it is a beam-column structure building. However, long-life housing requires somewhat higher initial construction cost than wall type apartments. It makes increase of long-life housing more difficult. In this study, we compare between wall-type apartment and beam-column structure apartment from Life-Cycle Cost's viewpoint. As a result of the study, long-life housing incurs 18% higher initial cost than wall type apartment, but is 7% more economical than wall type apartment in terms of Life Cycle Cost. Therefore, it is shown that long-life housing could be a beneficial alternative to traditional wall type apartments.

A Study on Supply Chain Risk Management of Automotive (자동차 공급망 위험관리(A-SCRM) 방안 연구)

  • Kim, Dong-won;Han, Keun-hee;Jeon, In-seok;Choi, Jin-yung
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.25 no.4
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    • pp.793-805
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    • 2015
  • Due to the rise of automotive security problems following automotive safety and the progress of the internet technology leading to a hyper-connected society, guaranteeing the safety of automotive requires security plans in the supply chain assurance and automotive software, and risk management plans for identifying, evaluating, and controlling the risks that may occur from the supply chain since the modern automotive is a Safety Critical system. In this paper, we propose a study on Automotive Supply Chain Risk Management (A-SCRM) procedures by person interested within the automotive Life-Cycle.

Development of Benchmark Index of LoS for Asset Management of Water Treatment Facilities (정수시설 자산관리 LoS분석 벤치마크지수 개발)

  • Nam, Youngwook;Hyun, Inhwan;Lee, Chulsung;Chun, Mingyu;Kim, Mincheol;Kim, Dooil
    • Journal of Korean Society of Water and Wastewater
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    • v.29 no.6
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    • pp.667-683
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    • 2015
  • Since aged water treatment facilities could threaten the sustainable water supply, asset management system has been adopted for their systematic management. Level of Service(LoS) is one of critical components of asset management and could be quantified through benchmark index(BMI). Water supplier could estimate consumer's satisfaction and their performance through BMI to improve the LoS. We developed BMI for water treatment facilities from customer's satisfaction survey. BMI, represented with the Total Service Score(TSS), was assessed with water quality, water pressure, taste and odor, water rate, and service quality with weighing factors. BMI could, further, be used to assist the analysis of the life cycle cost to increase the unit of LoS.