• Geomechanics and Engineering
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• 제27권6호
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• pp.561-571
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• 2021

Cofferdams made of teel sheet piles are commonly utilized as support structures for excavation of sea-crossing bridge foundations. As cofferdams are often subject to tide variation, it is imperative to consider potential effects of tide on stability and serviceability of sheet piles, particularly, ultralong steel sheet piles (USSPs). In this study, a real USSP cofferdam constructed using new construction technology in Nanxi River was reported. The design of key parts of USSP cofferdam in the presence of tidal action was first introduced followed by the description of entire construction technology and associated monitoring results. Subsequently, a three-dimensional finite-element model corresponding to all construction steps was established to back-analyze measured deflection of USSPs. Finally, a series of parametric studies was carried out to investigate effects of tide level, soil parameters, support stiffness and construction sequence on lateral deflection of USSPs. Monitoring results indicate that the maximum deflection during construction occurred near the riverbed. In addition, measured stress of USSPs showed that stability of USSP cofferdam strengthened as construction stages proceeded. Moreover, the numerical back-analysis demonstrated that the USSP cofferdam fulfilled the safety requirements for construction under tidal action. The maximum deflection of USSPs subject to high tide was only 13.57 mm at a depth of -4 m. Sensitivity analyses results showed that the design of USSP cofferdam system must be further improved for construction in cohesionless soils. Furthermore, the 5th strut level before concreting played an indispensable role in controlling lateral deflection of USSPs. It was also observed that pumping out water before concreting base slab could greatly simplify and benefit construction program. On the other hand, the simplification in construction procedures could induce seepage inside the cofferdam, which additionally increased the deflection of USSPs by 10 mm on average.

• 국제학술발표논문집
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• The 2th International Conference on Construction Engineering and Project Management
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• pp.346-355
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• 2007

Employability is a critical issue in construction education. Employability is more than students obtaining employment upon graduation. The concept is far more ranging, and should encompass enabling students to acquire the knowledge, personal and professional skills and encouraging attitudes that will support their future development and employment. This paper describes two case studies relating to how the true concept of employability can be incorporated into the construction higher education curriculum. Case study 1 was a collaborative venture with contributions from a higher education provider, employers, students and a professional body (Association of Building Engineers). It outlines the whole process from course inception through to graduation and feedback. Thus it presents a valid model for other higher education providers of construction courses to adapt or adopt. Case study 2 outlines how the opportunity of a degree programme revalidation process was utilized to introduce modules which would enhance students' employability on graduation.

• 한국건설관리학회논문집
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• 제9권5호
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• pp.116-126
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• 2008

안전지식 함양, 안전기능 체득, 안전태도 향상을 목표로 하는 안전교육은 별다른 제한 없이 효율적으로 사용될 수 있는 중요한 안전대책일 뿐만 아니라 재해를 감소시키기 위한 수단 중에 제일 큰 우선도를 갖는다. 그러나 건설현장에서의 안전교육은 매우 형식에 치우쳐 교육을 위한 교육일 뿐이며 근로자들에게 안전교육 시간은 지루하고 따분한 시간일 뿐이다. 이러한 이유는 자기와 상관없는 교육내용과 개인적 특성을 무시한 일괄교육에서 기인하며 이는 더 이상 근로자의 자발적 참여를 유도하지 못한다. 따라서 건설근로자들의 개인적 특성에 맞는 다양한 안전교육 모델 개발이 필요하다. 이에 본 연구는 건설근로자의 개인적 특성에 맞는 안전교육 모델을 구축하기 위해 건설현장에서 종사하는 근로자를 대상으로 설문조사와 통계분석을 실시하여 개인적 특성에 맞는 안전교육 모델을 제시하였다.

• 한국재난정보학회 논문집
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• 제17권1호
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• pp.154-164
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• 2021

연구목적: 건설업 기초안전보건교육이 실시된 지 10년이 지난 지금 더 이상의 보수교육이 실시되지 않고 있으며, 기초안전보건교육을 이수한 사람은 신규채용자교육도 면제되고 있어서 안전교육이 부실화되고 있다. 조속히 보수교육과 신규채용자교육의 법제화로 불안전한 행동의 유발을 방지하고 안전사고를 방지하기 위한 전략적 방안을 모색하고자 한다. 연구방법: 본 연구에서는 건설안전교육인 기초안전보건교육과 신규채용자교육이 불안전한 행동인 Human Error와 위반 행동과의 구조적 관계를 설문을 통한 회기분석을 실시하였다. 연구결과: 설문조사는 건설업 기초안전보건교육과 신규채용자 교육이 재해의 인적 요소인 Human Error와 위반 행동 감소에 많은 영향이 있는 것으로 분석되었고 지속적인 안전교육이 안전의식을 높일 수 있음을 확인하였다. 결론: 기초안전보건교육의 보수교육과 신규채용자 교육의 법 개정으로 안전교육의 부실화를 방지하여야 한다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2019년도 춘계 학술논문 발표대회
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• pp.76-77
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• 2019

Currently, there is a lack of studies on the directionality of architectural engineering education. This study has analyzed the opening and operation of courses relating to building construction in Korea universities. It was researched that the most common building construction courses opened in universities were 'building construction' and 'materials.' Courses are also being opened in universities by reflecting social demands. Upon analysis of the operation of the educational process of building construction, it was displayed that projects and examinations were conducted as the methods of assessment in courses at many universities. Additionally, there were universities that included quizzes and discussions in their methods of assessment. This study is expected to be used as data for studying an innovative means of educating architecture.

• 국제학술발표논문집
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• The 3th International Conference on Construction Engineering and Project Management
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• pp.764-773
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• 2009

This paper presents an overview of six strategic entry points for sustainability in the context of the construction/engineering curriculum. It compares the pedagogical costs and benefits of each approach and shares lessons learned from experiences at two leading public American universities: Georgia Institute of Technology and Virginia Polytechnic Institute. The paper discusses opportunities in terms of two perspectives on the pedagogy of sustainability: Stealthy Sustainability and Flagrant Sustainability, as part of a strategy of diffusion and routinization of this innovation within existing curricula. The paper concludes with a discussion of considerations that should be taken into account when evaluating the potential for sustainability in new educational contexts.

• 한국건설관리학회논문집
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• 제17권1호
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• pp.83-91
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• 2016

과거 국내 건설산업은 인력의 양적인 투자가 주를 이루었지만, 최근 들어 건설시장에서 경쟁력 확보를 위하여 실무자를 대상으로 질적인 투자가 필요 하다는 의견이 제기되고 있다. 이를 위하여 다수의 건설업 실무자를 대상으로 재교육을 실시하고 있지만, 단기교육, 경력관리 부재 등의 문제로 인하여 현행 재교육의 효율성에 대한 부정적인 인식이 높은 실정이다. 이에 본 연구에서는 국내 건설 재교육의 질적인 향상을 위하여, 현재 수행되고 있는 재교육의 문제점을 도출하고 이에 대한 개선방안을 제안하였다. 이를 위하여 다중 회귀분석을 실시하였고, 2개의 핵심 문제점을 도출하였다. AHP 분석을 통해 도출된 문제점들에 대한 개선방안으로 'NCS/CDP 기반 통합교육프로그램 운영'을 제안하였다. 본 연구에서 제안한 개선방안 및 예시를 통하여 건설 재교육의 질적향상과 실무자들의 역량을 지속적으로 관리할 수 있는 체계를 구축할 수 있을 것으로 기대된다

• 한국건축시공학회지
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• 제13권1호
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• pp.75-83
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• 2013

The prevention of safety accidents can be achieved through Harvey's 3E's: Engineering, Enforcement, and Education. On construction sites, however, enforcement and engineering did not prove to be valid ways of reducing the number of safety accidents, as enforcement and engineering have failed to overcome and/or supplement the realistic limits regarding the relatively lower education levels of construction workers and the communication issues with foreign workers. On the other hand, safety education can enable the advancement of safety management by enhancing the educational contents and their methods of delivery. To improve the efficiency of safety education via educational contents, this research conducted a qualitative and quantitative analysis on the validity of the newly educational contents by overviewing possible accident types in different work phases. Of the accident types identified by the qualitative analysis, neither highly important nor insignificant accident types were found, yet all the suggested types are found to be required. In addition, this study did not find any significant differences in the occurrence probability of safety accidents related to the level of importance of each type of accident. The qualitative analysis in this research verified that the suggested accident types can be valid, educational material that can take into account future safety accidents.

• 한국안전학회지
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• 제24권3호
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• pp.32-38
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• 2009

Construction companies economic to lighten the restrictions on safety education and training due to the domestic recession as long as the global downturn. With this, the Korean government lightened that restrictions, but the incidents are being sharply increased nowadays. The construction industry is more hazardous than any others, so, they insist to reinforce the training for incidents prevention, but it is prone to be disregarded at the subcontractors of the bigger construction companies due to their financial problems. According to these matters, this study hereby surveyed regarding their suggestions for the improvements of the training concepts through questionnaires below.

• 국제학술발표논문집
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• The 5th International Conference on Construction Engineering and Project Management
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• pp.94-102
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• 2013

The architecture, engineering and construction (AEC) industry is beginning to utilize Building Information Modeling (BIM), benefiting from the resulting improved visualization and productivity, better coordination of construction drawings, building documents that contain embedded links to virtual information, faster delivery, and lower costs. However, construction firms often face challenges when reorganizing their company structure to take full advantage of these benefits. This paper proposes an organizational structure that will enable engineering-construction firms to successfully adopt and implement BIM for major construction projects. A case study research method is utilized based on in-depth interviews with four BIM directors and vice presidents charged with BIM adoption, implementation and education. Organizational transformation challenges and recommendations are discussed in detail for those considering implementing BIM in the engineering-construction industry. Topics such as organizational changes in the firm, costs and benefits of BIM implementation, strategies of BIM implementation (execution) plan, BIM education, risks and opportunities associated with BIM, BIM software, contract methods, human resource management and new hires, and the future implementation and direction of BIM are discussed in detail.