• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2018년도 추계 학술논문 발표대회
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• pp.187-188
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• 2018

In this study, wind pressure resistance test was carried out among the nine test items of KS F 2622 using five types of water-tight material. After comparing the results with the performance range of the current KS F 2622 wind pressure resistance test, it is recommended to check the adequacy of the addition of the combined series.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2013년도 춘계 학술논문 발표대회
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• pp.69-70
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• 2013

This is an foundational study to adequacy the non-destruction testing for the estimation of compressive strength of high strength concrete The results are as follows, In high strength concrete, H type is NR type rebound number rather than higher. The relation between rebound number and compressive strength of high strength concrete have lower coefficient. when compressive strength estimation of high strength concrete, it consider that rebound hardness test is not applied and should be consider to combined method or addition method.

• 국제학술발표논문집
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• The 3th International Conference on Construction Engineering and Project Management
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• pp.649-657
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• 2009

BTL projects, which has been 3 years since it was carried out in 2008, trigged the controversy on the adequacy in the calculation of disbursement for Government due to such problems as low earning rate and the burden of service level compared with the project suggestion. Thus, the purpose of this study is to offer a suggestion on the calculation system for the purpose of the standardized - expense appropriation by item and database including the antecedent study on the finance model and the feasibility in BTL projects. The system is composed of 4 steps - project management, basic database, an analysis on expense by item and the result, and an analysis on sensitivity, and it is possible to carry out a comparative analysis on single and multi alternatives by variable change along with the ground on expense calculation.

• 국제학술발표논문집
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• The 5th International Conference on Construction Engineering and Project Management
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• pp.300-303
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• 2013

On BIPV systems, especially roof-top PV systems, the power generation is easier to be reduced due to the shades of facilities nearby, or roof itself. To secure profitability of roof-top PV systems, the optimal design of solar arrays through the precise shading analysis is an important item of design considerations. In this paper, an optimization system for array design of roof-top PVs is to be developed using three-dimensional Geospatial Information System(GIS). The profitability of income and expense is considered through the shading analysis of entire roofs. By applying the system to project for validation, the adequacy and the improvement of NPV of the system were verified compared to expert's design. The system has significance by reason that PV modules are placed through rules established with expert knowledge and geometric rules were applied to reflect the constructability and maintainability.

• 한국건축시공학회지
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• 제11권2호
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• pp.108-115
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• 2011

본 연구는 건설사업관리 시장의 공정한 경쟁을 위하여 국내 CM 시장현황, 2010년 CM 공시업체현황 및 평가기준 분석을 통하여 CM 선정방식을 고찰하였다. 또한 건설사업관리의 평가기준의 적정성을 고찰하기 위하여 2009년도 CM 상위업체 현황과 2002년부터 2010년까지 120개 CM 용역의 참가자수와 평균 투찰율을 분석하고, 2010년 평가 결과를 공개한 6개 CM용역을 분석하였다. 이러한 고찰결과 현행 CM용역의 평가기준이 용역금액으로 결정되고 기술제안서 평가에 따른 기술력과 가격이 연계되지 못하는 등 CM 산업의 발전과 CM회사의 기술발전을 저해하는 결과들이 도출되었으므로 사업특성과 기술력 요구조건에 따른 CM자 선정방식의 개선을 제시하였다. 따라서 향후에는 사업특성별로 기술력 요구조건을 구분하는 방식과 CM 사후평가를 위한 추가의 연구 노력이 필요할 것으로 판단한다.

• 한국건설관리학회논문집
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• 제23권6호
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• pp.21-29
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• 2022

건설 프로젝트의 성공적인 수행을 위해 공정 생산성 예측이 필수적으로 요구된다. 특히, 시공 단계 이전에 수행되는 계획의 정확도 및 실효성은 시공 단계의 성과에 큰 영향을 미친다. 기존의 생산성 예측은 표준품셈과 같은 기존 문헌 참고를 통해 수행된다. 그러나 이러한 방법은 변화하는 조건을 즉각적으로 반영하는 것과 공사 수행에 필요한 최적의 장비 조합을 도출하는 것이 어렵다. 본 연구에서는 이산 이벤트 시뮬레이션 기술을 이용하여 장비 조합에 따른 생산성 데이터베이스 구축 방법을 제시하였다. 제시된 방법을 통해 표준품셈 기반 공정 계획 수립을 하는 관리자에게 굴삭기, 로더, 덤프트럭 등으로 수행되는 작업에 대한 최적 시공 계획 수립을 할 수 있을 것이라 예상된다.

• 한국안전학회지
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• 제32권4호
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• pp.40-45
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• 2017

Among various methods to build the construction safety, the consecutive improvement by the measuring and evaluating safety management capabilities for the construction participants such as an owner, a contractor, and a supervisor (construction project manager) can be the effective one. Thus, an effective evaluation and grading criteria to provide performance index for the implementation of safety management activities should be necessary. In this regards, the purpose of this study is to verify the adequacy by offering a competency evaluation system for the supervisor's safety capability and by applying the system to some construction sites. The proposed evaluation system was developed on the basis of the principles of safety management & accident prevention, basic elements of safety and health management system, and safety evaluation cases at home and abroad. The trial evaluation showed that the safety management of the construction site is mainly carried out by the contractor and the supervisor's awareness for the safety management is low on the whole. Especially, it is urgent to improve the support system from the supervisor headquarter and to place the dedicated safety management person in the field.

• 한국농촌건축학회논문집
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• 제20권1호
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• pp.85-92
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• 2018

Although Jeju is the best cruise Secondary port in Northeast Asia, currently there are no dedicated cruise terminals. The port international passenger terminal opened in 2015 has a ferry terminal for offshore passengers and a cruise passenger function. Jeju Island is therefore constructing a cruise only terminal with the aim of opening in 2018 to meet the growing passenger demand at the Seoguipo civilian and public ports along with construction of a naval base at Gangjeong Port in Seogwipo City. It also plans to build cruise docks and cruise terminals in the Jeju New Port according to the Jeju port construction basic plan. However, during the construction and planning process of cruise terminals in Jeju, the adequacy of the terminal size is being debated and the immigration facilities are being operated. Therefore, the study analyzed the size of terminals and operation of immigration facilities appropriate for cruise passenger demand by investigating the status of cruise related facilities and operation in Jeju area. Based on this, the Commission hopes to explore the rational direction of the cruise terminal plan to revive the cruise industry in Jeju and provide high quality service to cruise passengers.

• 한국실내디자인학회논문집
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• 제21권2호
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• pp.215-222
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• 2012

Design-build is expanding gradually in large construction projects over 10billion won, and continue to work in health care facilities is increasing in this way. This constructional method in health care facilities, despite the many advantages, many problems caused by design changes are being raised. Raises the question of design changes on the side of construction contract, such as approval systems have been studied in the field of construction. The purpose of this study design in aspects of architectural planning on changing the grasp of the issues outlined in the ITB and bid evaluation criteria through consideration of the basic plan for improvement guidelines and evaluation criteria is presented. In conclusion, Design build, according to the presence of existing users are more likely to lead to design changes. Thus, hospital architecture, depending on how it is considered that constructional methods. And evaluation items of ITB(Invitation To Bidder) for a large part of the change in the variables evaluated in the hospital building is not suitable for the design build. Instead, the overall shape of the building and department, unit type and size, vertical and horizontal parts of the circulation system in the shape of the building that does not change in structure and etc should be considered for evaluation.

• 대한조선학회 특별논문집
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• 대한조선학회 2007년도 특별논문집
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• pp.99-106
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• 2007

The IACS Common Structural Rules are to be applied for double hull tanker of more than 150m length with contracted after 1 April 2006. The objectives of the rules are to make more robust, safer ship and to ensure transparency of the technical background. In compliance of CSR, we had carried out prescriptive rules scantling determination and 3-D hold FE analysis of AFRAMAX TANKER. Prescriptive rules scantling determines the minimum required scantling, hull-girder longitudinal bending and shear strength, hull girder ultimate strength, local strength of plate and stiffener, strength of primary supporting member and fatigue assessment of the longitudinal stiffener end connections to the transverse bulkhead. 3-D hold FE analysis assesses the structural adequacy of the vessel's primary hull structure and major supporting members using yielding and buckling failure modes. So we could verify the strength assessment of AFRAMAX TANKER applied CSR.