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건설 기술 연구 개발을 위한 기술 기획 : 적시 시공을 위한 시공 현장 모니터링 기술 사례를 기반으로
김창윤(Kim Changyoon),김형관(Kim Hyoungkwan),김창완(Kim Changwan),김문겸(Kim Moon Kyum) 대한토목학회 2008 대한토목학회논문집 D Vol.28 No.6D
기술 로드맵은 신제품 개발과 연구 과제 도출을 위한 기획방법론 중 하나로 여러 연구 기관과 산업계에서 사용되고 있다. 제품 개발자나 연구 진행자들은 기술 로드맵을 사용함으로써 체계적인 프로젝트 진행과 효과적인 연구를 수행할 수 있으며, 연구 내용, 추진 전략, 소요 예산 등을 정확하게 설정할 수 있어 연구개발 가능성을 높일 수 있다. 현재 국토해양부에서는 건설 분야 기술력 증진 및 건설 산업 발전을 위하여 많은 연구개발 예산을 투입하고 있으며, 그 규모 또한 점차 늘어날 것으로 예상된다. 연구개발 예산이 증가함에 따라 5년 이상의 장기 연구개발 과제가 늘어나고 있고, 그 결과 체계적인 연구 수행과 높은 기술 개발 가능성을 위한 방법론의 필요성이 점차 커지고 있다. 건설 산업의 연구 개발은 타 산업의 연구 개발과는 달리 연구 개발 후 현장 적용을 기본 목표로 하고 있으며 작업을 하는 공간 또한 외부에 노출되어 있어 개발된 기술의 적용이 용이하지 않은 특성을 가지고 있다. 본 논문에서는 위와 같은 건설 산업의 특성을 고려하여 다양한 문헌 분석, 설문 조사를 통한 시장 수요 조사, 사전 연구를 통한 기술의 적용 가능성 검토를 실시하였으며 이를 통하여 새로운 건설 기술 연구 개발을 위한 기술 로드맵 도출 과정을 제시하고, 사례 연구를 통하여 기술 로드맵 도출 과정에 대한 타당성 및 적용 가능성을 알아보고자 한다. Technology roadmapping is one of the widely used technology planning methodologies. Using a technology roadmap, the researchers can increase the possibility of the project success by systematic management of research contents, budgets, and commercialization strategies. Currently, Ministry of Land, Transport and Maritime Affairs has a plan to increase the research fund to improve the construction industry. As a result, the number of long term research projects with more than five years of research period, is increasing. Tills entails the need for a methodology for the systematic planning and management of research. However, the construction industry has the characteristics that the research results should ultimately be implemented in an outdoor environment. Through processes of diverse literature reviews, questionnaire-based survey, and pilot research, this paper presents a systematic procedure for the development of construction technology roadmaps, which can consider the unique nature of the construction industry. Based on the procedure, a technology roadmap for intelligent construction monitoring is also developed.
Kim, Changwan,Son, Hyojoo,Kim, Hyoungkwan,Han, Seung Heon Canadian Science Publishing 2008 Canadian journal of civil engineering. Revue canad Vol.35 No.11
<P> In recent decades, the need for effective automation of data acquisition and three-dimensional (3D) modeling in the construction industry has been increasing. Most of the 3D modeling methods developed thus far are generally inadequate for construction automation on account of the long processing times involved and the high cost of the devices used for that purpose; moreover, they tend to include a significant level of manual operation. Flash laser distance and ranging (LADAR), which has been developed recently, entails illumination of an entire scene with diffuse laser light. This characteristic enables it to rapidly model actual construction sites in a comparatively fast and cost-effective manner. In this study, flash LADAR technology was tested for its ability to handle the dynamic nature of a construction site in an effective way. Indoor experiments were carried out to characterize the performance of the flash LADAR system, and outdoor experiments were performed on actual construction sites to demonstrate the applicability of the system to 3D modeling of such environments. The results indicate that 3D modeling via flash LADAR has the potential of being quite beneficial for construction automation. </P>
Finding key vulnerable areas by a climate change vulnerability assessment
Kim, Ho Gul,Lee, Dong Kun,Jung, Huicheul,Kil, Sung-Ho,Park, Jin Han,Park, Chan,Tanaka, Riwako,Seo, Changwan,Kim, Ho,Kong, Wooseok,Oh, Kyusik,Choi, Jinyong,Oh, Young-Ju,Hwang, Gangseok,Song, Chang-Keun Springer Netherlands 2016 Natural hazards Vol.81 No.3
<P>Extreme climate events such as typhoons, heat waves, and floods have increased in frequency with climate change. Many municipalities within the Republic of Korea (ROK) have experienced damage from these events, necessitating countermeasures. Vulnerability assessment has been suggested in the implementation of a national plan for reducing damage resulting from climate change. Thus, in this study, we assess the vulnerability of the ROK and identify key vulnerable municipalities in support of the national adaptation plan. We create a framework for assessing the vulnerability of all 232 municipalities of the ROK with respect to 32 items in 7 fields. The framework regards decision makers' comprehension and availability of data as important factors. We assess the vulnerability index of each municipality by using variables of climate exposure, sensitivity, and adaptation capacity. The weights of variables are determined by the Delphi method. We used the representative concentration pathways 8.5 climate scenario to reflect future climate exposure for the vulnerability assessment. From the analysis, vulnerability maps are prepared for the 32 items of 7 fields, and key vulnerable municipalities are identified by aggregating the maps. The distribution of vulnerable municipalities changes with the future climate conditions. These maps provide a scientific and objective basis for the ROK government to establish adaptation plans and allocate resources. The ROK government can utilize the results to identify the characteristics of highly vulnerable areas, and municipalities can use the results as a basis for requesting support from the national government.</P>
손창완(Changwan Son),김현돈(Hyundon Kim),김범호(Beomho Kim),박준현(Junhyun Park) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Passenger Airbag is one of the important part in instrument panel that is satisfied airbag deployment requirement. Recently, the most of automotive interior parts selects invisible airbag system. So, they use various scoring methods. Especially, laser scoring method is making a continuous hole using laser beam. This method is influenced sensitively by transmittance and absorption of materials. In this study, to find a correlation between component of polymer and laser scoring influence factor. Especially, general purpose used polypropylene filled talc, thermoplastic polyolefin that how to influenced by content of component for laser scoring.