• 국제학술발표논문집
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• The 1th International Conference on Construction Engineering and Project Management
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• pp.621-626
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• 2005

Recent increases in construction costs on Korean public works projects, largely due to change orders caused by poorly elaborated design, become a motivation of applying VE process in Korean construction industry. The Seoul Toll Plaza project, recently value analyzed by four VE teams, demonstrates how value management helps save time, money and increase functional performance. The objective of this project is to upgrade and expand existing pay and ticket booths system on "Kyungboo Express Highway", the main artery for the Korean peninsula linking Seoul to Pusan. The value management study generated several innovate alternatives capable of saving up to 50% of project cost from the baseline project plan.

• 디지털산업정보학회논문지
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• 제13권1호
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• pp.185-196
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• 2017

Today, companies and social actors at the beginning of the Fourth Industrial Revolution are focusing on active innovation and efforts to adapt to rapidly changing environmental changes. Design thinking refers to creative strategies designers utilize during the process of designing. Design thinking is also an approach that can be used to consider issues and resolve problems more broadly than within professional design practice, and has been applied in business and to social issues. However, there are some limitations in the design thinking methodology during the project in the field. This paper presents a novel design - thinking process that incorporates a lean start - up based business model into the design thinking process. We conducted a case study to verify the effectiveness of our new design thinking process in social innovation projects. In this paper, it is meaningful to suggest and verify a new process that combines business model Zen to complement the limit of design thinking. It will also provide guidelines for design thinking projects as tools for social innovation.

• 한국CDE학회논문집
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• 제7권1호
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• pp.57-65
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• 2002

The purpose of this research is to develop a collaborative architectural design system. Design collaboration requires an extensive use of communication methods as well as the participation of various experts from different domains. Such facts address several issues when the Internet and digital media are able to create a completely new work environment. The building design process was studied, and possible modes of design collaboration were defined. A prototype system is being developed in accordance with the defined collaboration model. The system integrates a set of communication tools and web-based design media. Such media include a synchronous multi-user web CAD tool, a schematic 3D design tool, and a electronic whiteboard. A project database was designed in order to coordinate the project-wide communication which elaborates technologies such as web-based data access. In order to find out the effectiveness of the system, a usability test was performed both in quantitative and qualitative manner. The research will contribute to the development of world-wide design and construction collaboration through the Internet, which is becoming a mainstream building process model.

• 한국실천공학교육학회논문지
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• 제4권1호
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• pp.22-29
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• 2012

실천공학 교육을 위하여 피교육자가 효율적으로 관련 기술을 습득하고 문제를 해결할 수 있도록 하는 것이 필요하다. 디자인 교육에서 사용성은 제품의 사용자 중심 디자인을 위하여 가장 중요하게 고려되어야 할 요소 중의 하나이다. 디자인을 전공하는 학생에게 사용성의 중요성을 인식시키고 사용성을 고려한 디자인 문제해결을 효율적으로 습득할 수 있도록 하는 방법은 학생 스스로 문제를 해결하고 그 과정에 참여하는 과제 중심 및 참여 학습(Project and participation based learning)을 통한 교육이다. 본 연구에서는 학생들 스스로의 과제 중심 및 참여 학습을 통한 사용성 평가 및 디자인 사례를 진행하였다. 이를 위하여 학생들이 관심을 갖는 주제를 선정하였고, 디자인 문제해결 및 사용성 연구를 위한 목적으로 디자인공학 대학원생, 학부생, 디자인전공을 준비하는 고등학생으로 팀을 구성하여 연구를 진행하였다. 이 과정을 통하여 대학원생은 사용성 디자인의 연구능력을 습득하고, 대학생은 디자인과정에서의 실무능력을 습득하며, 고등학생은 디자인의 전반적 이해를 습득할 수 있도록 하였다.

• 가스산업과 기술
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• 제5권1호
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• pp.39-47
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• 2002

With the expansion of natural gas demands in many countries, the necessity of LNG receiving terminals has been increased. The offshore LNG Floating Storage and Regasification Unit (FSRU) attracts attentions not only for a land based LNG receiving terminal alternative, but also for a feasible and economic solution. Nowadays, as the reliability of offshore oil and gas floating facilities and LNG carriers gains with proven worldwide operations, the FSRU can achieve a safety level that can be comparable to an onshore terminal. The design development related with safety features of the FSRU has been extensively carried out by oil and gas companies, shipyards, engineering companies, and equipment vendors, and has been successful so far in many fields. The construction of the FSRU can be achieved by integrating various technologies and experiences from many disciplines and many participating companies and vendors. In this paper, reviews on some of the important design features and design improvements on FSRU together with the practical construction aspects in cargo containment, vaporization system, ESD system, and operation modes, have been covered in comparison with actual LNG carrier, onshore receiving terminal, and FPSO systems. In order to materialize an FSRU project, the technical and economic justification has to be preceded. It is believed that once the safety and technical soundness is convinced, the FSRU can bring a higher project feasibility by reducing the overall construction time and cost. Through this study, an FSRU design readily applicable to an actual project has been developed by incorporating experiences gained from many marine and offshore projects. The wide use of proven standard technologies adopted in the series construction of LNG carriers and offshore FPSOs will bring the project efficiency and reliability.

• 기술혁신학회지
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• 제10권2호
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• pp.206-229
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• 2007

본 연구는 국내 공공 및 민간 부문 전자, 통신, 기계, 화학분야 22개 연구기관 92개 팀을 대상으로 수집한 실증 자료를 통해 프로젝트 리더에 의한 챔피언 리더십이 팀에 대한 자원 공급 및 조직 지원, 팀원들의 팀 효력에 미치는 영향을 고찰하였다. 분석결과 프로젝트 리더의 챔피언 리더십은 높은 수준의 조직 지원 및 자원 공급과 관련되어 있으며, 프로젝트 리더의 챔피언 리더십을 높게 지각하는 팀의 팀원들은 보다 높은 수준의 팀 효력을 보였다. 또한, 프로젝트 유형 및 혁신 분위기는 챔피언 리더십과 자원 공급 및 조직 지원, 팀 효력 사이의 관계를 조절하고 있음을 발견하였다. 끝으로, 연구결과의 이론적 및 실무적 시사점이 논의되고 연구의 한계점과 미래의 연구방향이 제시되었다.

• Journal of Construction Engineering and Project Management
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• 제7권1호
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• pp.13-25
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• 2017

Construction projects have been observed to have problems of project delays and disruptions and the South African construction industry is not an exception. This research identified causes and effects of project delay and disruption through a desktop study. Subsequently, a questionnaire was designed and used to conduct a survey to obtain the views of the three main construction project participants - clients, consultants, and contractors. The questionnaire contains 48 causes and 13 effects of project delay and disruption identified from the desktop study. This research identified sixteen most important causes of project delay and disruption and five most important effects of delay and disruption. Sixteen most important causes were: (1) strikes, (2) rework due to errors during construction, (3) shortage of materials in market, (4) suspension of work by the client, (5) poor communication between the parties, (6) ineffective planning and scheduling of project, (7) delays in issuing working drawings, (8) mistakes and discrepancies in design documents, (9) shortage of labours and equipment, (10) delay in decision making process by the client, (11) unforeseen ground conditions, (12) unclear and inadequate details in drawing, (13) inadequate contractor's experience, (14) delay in approving changes in the scope of works, (15) delay in material delivery and (16) unacceptable quality of materials. The five major effects include: (1) create stress on contractors, (2) cost overrun, (3) time overrun, (4) poor quality of work due to rush, and (5) disputes. Furthermore, the result of this research was compared with the result of previous studies conducted in other regions of Africa in terms of causes and effects of project delay and disruption. The research concludes that numerous causes and effects of delay and disruption are limited to South African construction projects based on the comparison. The causes limited to South African construction projects include: (1) strikes, (2) suspension of work by the client (3) mistakes and discrepancies in design documents (4) delay in approving changes in the scope of works and (5) unacceptable quality of materials, while the two major effects limited to South African construction projects includes: (1) create stress on contractors and (2) poor quality of work. In conclusion, some recommendations were made in order to minimise the causes of delay and disruption identified.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2007년도 정기학술발표대회 논문집
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• pp.531-534
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• 2007

현행 국내의 일괄입찰방식은 설계와 시공의 겸업금지로 공동도급 형태의 분담이행방식으로 운영되고 있어, 참여업체간의 의사소통 부족으로 인해 설계변경 클레임이 빈번하게 발생하고 있다. 또한 수행절차 과정에서도 사업참여자간 의견대립으로 인해 상호교류가 부족하여 프로젝트를 효율적으로 수행하는데 어려움이 있다. 이 연구에서는 일괄입찰방식, 파트너링과 시공성 분석의 특성을 파악하고, 예비적 고찰을 통한 상호교류의 영향도와 문제점을 분석하여, 일괄입찰방식 실시설계단계에서 프로젝트의 효과를 극대화 할 수 있는 효율적인 파트너링과 시공성 분석 연계 프로세스 모델을 제시하였다.

• International Journal of Naval Architecture and Ocean Engineering
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• 제13권1호
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• pp.511-525
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• 2021

Aluminium outfitting is widely used in offshore platforms owing to its anti-corrosion ability and its light weight. However, various standards exist (ISO, NORSOK and EN) for the design of handrails used in offshore platforms, and different suppliers have different criteria. This causes great confusion for designers. Moreover, the design load required by the standards is not clearly defined or is uncertain. Thus, many offshore projects reference previous project details or are conservatively designed without additional clarification. In this study, all of the codes and standards were reviewed and analysed through prior studies, and data on variable factors that directly and indirectly affect the handrails applied to offshore platforms were analysed. A total of 50 handrail design load scenarios were proposed through deterministic and probabilistic approaches. To verify the proposed new handrail design load selection scenario, structural analysis was performed using SACS (offshore structural analysis software). This new proposal through deterministic and probabilistic approaches is expected to improve safety by clarifying the purpose of the handrails. Furthermore, the acceptance criteria for probabilistic scenarios for handrails suggest considering the frequency of handrail use and the design life of offshore platforms to prevent excessive design. This study is expected to prevent trial and error in handrail design while maintaining overall worker safety by applying a loading scenario suitable for the project environment to enable optimal handrail design.

• 교육녹색환경연구
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• 제10권1호
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• pp.42-52
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• 2011

The importance of education and training facilities and education facilities on the relationship between effective as demonstrated in many studies can be very big. In this study, the status of existing school facilities improvement project is done individually, based on the systematic integration of the improvement project was to evaluate the feasibility. Furthermore, it was based on looking for ways to effectively pursue. Training School Facilities Improvement Program to be competitive, the country continued to be pursued systematically and very large scale as a whole must be a great national project. So much to promote efficient business environment, quality of education for children with detractors of the national budget to ensure efficient and most importantly in terms of economic investment that can be. In this study, the proposed K-TEGS existing school facilities, such as the development of techniques for the assessment based on this effort to promote an efficient business should be done on a continuous basis.