• 한국건설관리학회논문집
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• 제22권1호
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• pp.13-26
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• 2021

국내 OSC가 활성화되기 위해서는 설계 및 엔지니어링, 공장제조, 현장조립 등 각 단계별로 적용되는 기술의 혁신도 중요하지만, 기존 건설 생산방식과 차별화되는 관리 및 운영방식의 개발도 필요하다. 하지만, 현재 국내에서 진행되고 있는 OSC 관련 연구는 공법 개발과 같은 기술개발 측면의 연구가 주를 이루며, OSC 프로젝트의 성공을 위한 관리 방안 도출과 관련한 연구는 미진한 실정이다. 따라서, OSC 프로젝트의 핵심성공요인의 명확한 이해에 기반한 프로젝트 관리 방안 도출에 대한 연구가 요구되는 바이다. 이에 본 연구의 목적은 해외에서 선행된 OSC 프로젝트의 성공요인과 관련한 다수의 연구들을 분석하여 국내 OSC 프로젝트의 성공적 관리를 위한 핵심 시사점을 제시하는 것이다. 이를 통해 향후 국내에서 확산될 OSC 프로젝트의 성공 가능성 제고에 기여하고자 한다.

• 한국건설안전학회 논문집
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• 제3권1호
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• pp.25-31
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• 2020

지난 10년간 모든 산업의 재해율이 꾸준히 감소하고 있는 반면 건설업의 재해율은 증가 추세에 있어 개선이 시급한 실정이다. 본 연구의 목적은 국내 디자인 안전성 검토 시스템을 해외 사례와 비교 분석하여 국내 디자인 안전성 검토 시스템의 문제점을 도출하고 개선 방안을 모색하는 데 있다. 영국이나 싱가포르처럼 작업설계 초기부터 재검토해야 하고, 건설업 재해 경감을 위한 대규모 건설뿐 아니라 소규모 건설에서도 안전성 검토가 이뤄져야 한다. 특히 관련 제도 미비 등에 대한 제도 마련이 필요한데, 안전시스템 설계는 사업자 중심의 안전관리 체계에서 스펙트럼을 확대하는 것으로 향후 충분한 개선과 연구가 필요하다는 점에서 의미가 있다.

• 플랜트 저널
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• 제7권3호
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• pp.48-64
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• 2011

In this work, risks in EPC project for overseas power plant projects are analyzed and risk management methods are suggested to reduce cost and to shorten time. 79% of risks occurred in the engineering phase for S project located in South-East Asia. The impact scales of risks on major project objectives which are cost, time, scope, and quality are analyzed as 3.5, 3.8, 2.7, and 3.7, respectively. The level of impact scales is very similar to each other except the impact scale of scope. The risk management methods suggested in this study have to be applied at the appropriate time to manage risks effectively. After that, risks are managed continuously by monitoring.

• 한국안전학회지
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• 제35권2호
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• pp.28-33
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• 2020

Recently, the overseas construction market has been actively promoted for about 10 years, and overseas dam construction has been continuously performed. For the economic and safe construction of the dam, it is important to prepare the main dam construction plan considering the design frequency of the diversion tunnel and the cofferdam. In this respect, the prediction of river level during the rainy season is significant. Since most of the overseas dam construction sites are located in areas with poor infrastructure, the most efficient and economic method to predict the water level in dam construction is to use the upstream water level. In this study, a linear regression model, which is one of the simplest statistical methods, was proposed and examined to predict the downstream level from the upstream level. The Pyeongchang River basin, which has the characteristics of the upper stream (mountain stream), was selected as the target site and the observed water level in Pyeongchang and Panwoon gaging station were used. A regression equation was developed using the water level data set from August 22th to 27th, 2017, and its applicability was tested using the water level data set from August 28th to September 1st, 2018. The dependent variable was selected as the "level difference between two stations," and the independent variable was selected as "the level of water level in Pyeongchang station two hours ago" and the "water level change rate in Pyeongchang station (m/hr)". In addition, the accuracy of the developed equation was checked by using the regression statistics of Root Mean Square Error (RMSE), Adjusted Coefficient of Determination (ACD), and Nach Sutcliffe efficiency Coefficient (NSEC). As a result, the statistical value of the linear regression model was very high, so the downstream water level prediction using the upstream water level was examined in a highly reliable way. In addition, the results of the application of the water level change rate (m/hr) to the regression equation show that although the increase of the statistical value is not large, it is effective to reduce the water level error in the rapid level rise section. Accordingly, this is a significant advantage in estimating the evacuation water level during main dam construction to secure safety in construction site.

• 한국재난정보학회 논문집
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• 제9권3호
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• pp.332-338
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• 2013

최근 건축물 내의 피난안전성을 확보하고자 계획 및 설계단계부터 컴퓨터 시뮬레이션을 활용한 검토와 피난평가를 수행하고 있다. 이러한 평가는 초기입력요소에 따라 결과 값이 달라지기에 무엇보다 요소별 Data구축이 중요하지만, 국내는 피난관련 실험 및 연구가 미흡해 대부분이 국외기준을 준용하고 있는 게 현실이다. 이에 본 연구는 국내 재실자 이동속도 Data 구축의 목적으로 연령별 피난이동속도실험을 수행 분석해 보았다. 먼저 국내외 피난이동속도 관련 연구를 분석했으며 국내인 134명을 상대로 피난이동속도 실험을 시행하였다. 이를 바탕으로 실험으로 도출된 이동속도 결과치와 기존의 국외 이동속도와 비교 분석하여 국내피난상황과의 검토 및 확인절차를 실시하였다. 앞으로 이렇게 도출된 실험 Data는 국내 피난안정성평가의 이동속도 관련 기초자료로 활용될 것으로 판단된다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2014년도 춘계 학술논문 발표대회
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• pp.54-55
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• 2014

The structure of construction management service in the Construction Technology Management Act has changed recently. The new Construction Technology Promotion Act becomes effective to support and promote the development of related construction industries and construction technology for domestic and overseas markets. The purpose of research is to analyze the main contents of Construction Technology Promotion Act and to investigate corporate status, problems, and issues. The research is conducted to improve as reorganization of the CM service system based on the interviews with experts. Accordingly the research is to derive countermeasures of CM enterprises. The research results are presented in the following categories of contract awarding, project management, human resource management, general administration and staff education management as countermeasures of enterprises.

• 한국산업융합학회 논문집
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• 제25권4_2호
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• pp.549-563
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• 2022

Continuous global warming is causing ecosystem destruction and direct damage to human life. The main cause of global warming is greenhouse gases, which account for more than 90 % of carbon dioxide. The leaders of each country signed the Paris Agreement at the United Nations Convention on Climate Change (UNFCCC) to reduce greenhouse gas emissions. Currently, the total amount of CO₂ emitted from South Korea is 664.7 million tons as of 2018, ranking eighth in the world. 37 % of South Korea's total CO₂ emissions come from the construction & building field, especially the cement production, which is a construction material. Carbon reduction technologies can be largely divided into four types: carbon reduction (CC), carbon reduction and storage technology (CCS), carbon reduction and utilization technology (CCU), and carbon reduction, storage and utilization technology (CCUS). Overseas, CCUS technology is mainly applied to reduce and store CO₂ emitted from construction and construction field. A technology for permanently storing CO₂ through mineralization by capturing CO₂ and utilizing CO₂ into a cement production process was developed, and this technology is applied to the entire cement industry. However, the development of CCUS technology applicable to the cement industry is still insignificant in South Korea. In this study, carbon dioxide reduction technology and methods for reducing carbon dioxide emitted during the cement manufacturing process, which is the main component of concrete mainly used in civil engineering construction, were investigated. Overseas, it has reached the commercialization stage beyond the demonstration stage as a way to reduce carbon dioxide by vomiting carbonation reactions. Accordingly, if carbon dioxide reduction plan technology generated during cement manufacturing is developed based on domestic technology differentiated from foreign technology, it is expected to contribute one more step to the carbon neutrality policy.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2016년도 추계 학술논문 발표대회
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• pp.142-143
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• 2016

The purpose of this study is to derive enhancements in terms of construction enterprises to enhance the competitiveness of Korea's overseas construction companies. We have carried out a survey targeting international constriction engineers. s a research result, it was investigated that excellent construction engineers and improvement of construction management competitiveness was necessary. It was ability of financing development and development of international business organizations in construction sector. And it was design ability of FEED and ability of international marketing in design sector.

• 국제학술발표논문집
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• The 6th International Conference on Construction Engineering and Project Management
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• pp.486-490
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• 2015

SWOT model was used to develop strategies for the Korean construction firms in entering the global construction market. Literature review, official statistics survey and other research methods were utilized in order to extract internal and external environmental factors of both the firm and local area. By extracting strength, weakness, opportunity and threat factors, a total of 12 strategies were produced: SO (Strengths-Opportunities), ST (Strengths-Threats), WT (Weaknesses-Threats), and WO (Weaknesses-Opportunities). The result of the study can be utilized as a basic data in developing a strategy for the Korean construction firms to penetrate into the global construction market.

• 국제학술발표논문집
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• The 8th International Conference on Construction Engineering and Project Management
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• pp.381-386
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• 2020

Global construction and engineering consulting (E&C) firms are actively seeking entry into overseas markets based on loan projects from multilateral development banks to provide a basis for entry into overseas markets and sustainable growth. Bids on these projects are competitive between global top firms in terms of the technical level and price due to the limited number of projects; thus, developing a successful partnership to complement competence has become an essential element to win bids. In this regard, many studies have analyzed enterprises through characteristic analyses or the derivation of influential factors from the past social networks based on social network analysis (SNA). However, few studies have been conducted to reflect the process of changes to analyze collaborative relationships. Thus, this study aims to identify dynamic changes in past social networks and develop a model that can predict changes in the relationships between E&C firms based on similarities or differences between firms, presenting a methodology to target firms for appropriate collaboration. The analysis results demonstrate that the sensitivity of the developed prediction model was 70.26%, which could accurately predict 163 out of 232 actual cooperative cases.