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유한요소해석을 이용한 공업화박판강구조 단부판 접합부의 회전강성감소계수
이준섭,신경재,이수헌,이희두,김철환,Lee, Jun-Seop,Shin, Kyung-Jae,Lee, Swoo-Heon,Lee, Hee-Du,Kim, Cheol-Hwan 한국강구조학회 2017 韓國鋼構造學會 論文集 Vol.29 No.4
공업화박판강구조물은 재료 및 인건비의 절약, 공기 단축 및 대공간 구조의 공간 활용과 시공의 편리성 등의 장점으로 사용이 증가하고 있다. 그러나 최근 갑작스런 과도한 하중으로 인해 붕괴 사고가 일어나고 있다. 구조 설계에 정확하고 전문적인 기술이 필요하지만, 공업화박판강구조의 접합부 볼트 접합부를 완벽하게 고려해주지 않고 단순화하여 해석하는 경우가 많다. 위 논문에서는 선행 실험된 볼트 접합부를 ABAUQS를 이용한 유한요소해석을 실시하고, 실험 결과 비교를 통해 신뢰성을 검증하였다. 그리고 접합부의 변수해석을 통하여 실제 설계에 이용할 수 있는 볼트 접합부의 강성감소계수를 제시하였다. The pre-engineered building(PEB) construction has been gradually applied to single story buildings as a practical and efficient alternative to conventional buildings. However, there has been a few structure collapse due to suddenly excessive load. Although a structure design requires accurate and professional skills, the PEB system tends to be designed simply because of complexation of structural analysis for connections. This paper shows the finite element analysis(FEA) using ABAQUS software on bolted connection which was previously tested. The FEA condignly simulated the behavior of bolted connection in PEB system and was in close agreement with experimental results. Then the stiffness reduction factor of the bolted joints that can be used in the actual design is presented through the analysis of the joint parameters.
이준섭,김은숙,김형준,Lee, Jun-Seop,Kim, Eun-Suk,Kim, Hyeong-Jun 한국통신학회 2007 정보와 통신 Vol.24 No.8
USN은 BcN을 포함하는 포괄적인 서비스의 개념으로 정의되어야 하며, USN과 BcN의 연동은 WSN과 BcN의 연동으로 정의되어야 한다. 이에 따라 BcN과 WSN의 연동에 관해 그 구조 및 각 구성 요소의 기능을 기술한다.
이준섭 ( Joon Seop Lee ),김은수 ( Eun Soo Kim ),정민규 ( Min Kyu Jung ),김성국 ( Sung Kook Kim ),진선 ( Sun Jin ),이덕헌 ( Deok Heon Lee ),서준원 ( Jun Won Seo ) 대한소화기학회 2018 대한소화기학회지 Vol.71 No.5
Bochdalek hernia (BH) is defined as herniated abdominal contents appearing throughout the posterolateral segment of the diaphragm. It is usually observed during the prenatal or newborn period. Here, we report a case of an adult patient with herniated omentum and colon due to BH that was discovered during a colonoscopy. A 41-year-old woman was referred to our hospital with severe left chest and abdominal pain that began during a colonoscopy. Her chest radiography showed colonic shadow filling in the lower half of the left thoracic cavity. A computed tomography scan revealed an approximately 6-cm-sized left posterolateral diaphragmatic defect and a herniated omentum in the colon. The patient underwent thoracoscopic surgery, during which, the diaphragmatic defect was closed and herniated omentum was repaired. The patient was discharged without further complications. To the best of our knowledge, this case is the first report of BH in an adult found during a routine colonoscopy screening. (Korean J Gastroenterol 2018;71:290-293)
이준섭(Lee, Jun Seop),김영찬(Kim, Young Chan) 한국서비스경영학회 2016 서비스경영학회지 Vol.17 No.4
While previous studies have examined the negative effects on sales person`s emotional labor, the studies which examined the positive effects on sales person`s emotional labor have been rarely studied. This study focuses on emotional labor strategy on sales activity of sales person. The purpose of this study is to examine the structural relationship between sales person`s goal orientation, emotional labor strategy, and adaptive selling behavior. For that purpose, the study conducted a survey among the salespeople employed in the Korean insurance company. Major research findings were as follows: First, learning orientation is positively associated with surface acting strategy and deep acting strategy, but performance orientation did not associate on surface acting strategy and deep acting strategy. Secondly, surface acting strategy did not associate on adaptive selling behavior, but deep acting strategy is positively associated with adaptive selling behavior. Based on those findings, the study provided theoretical and practical implication.