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- 저자 : Sung-Won Yoon(윤성원) (검색결과 163 건)
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윤성원,김도현,김영문,김동원,Yoon, Sung-Won,Kim, Do-Hyun,Kim, Young-Moon,Kim, Dong-Won 한국공간구조학회 2008 한국공간구조학회지 Vol.8 No.1
건물에 설치된 모니터링 시스템으로부터 기록된 바람과 구조물의 반응으로부터 평균풍속, 풍향, 난류강도, 거스트팩터를 산정하였다. 계측된 건물은 각각 속초와 부산에 위치한다. 거스트 계수와 난류강도사이의 관계를 이용하여 계측된 데이터로부터 이들 간의 상관관계식을 제안하였다. 계측된 데이터로부터 얻은 거스트 계수 관계식은 풍동실험과 고층건물설계의 타당성에 유용한 자료로 이용될 수 있다. The wind monitoring systems are installed in high-rise buildings to record wind response data. The measured buildings are located in Busan and Sokcho. The measured wind data are analysed in this paper to obtain the mean wind speed and direction, turbulence intensity and gust factor. By using the correlation between gust factor and turbulence intensity, the expression for gust factor based on wind data measured from the building is suggested. The field measurement data obtained here are useful for the validation of wind tunnel tests and the future design of tall building.
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윤성원,김혜성,Yoon, Sung-Won,Kim, Hye-Seong 한국공간구조학회 2008 한국공간구조학회지 Vol.8 No.6
본 논문은 국내 외 PV 통합 프로젝트를 구조 디자인의 시각에서 평가한 논문이다. 국내 외 대표사례를 공공시설과 전시시설로 구분하여 국내 사례 3가지, 해외사례 3가지의 대표 사례를 들었다. 평가항목은 건축물과의 자연스러운 통합, 엔지니어링디테일, 혁신적인 새로운 설계의 항목으로 평가하고 그 결과를 비교 분석하였다. 국내의 공공시설 및 전시시설은 주로 옥상층에 독립지지방식을 사용한 사례가 많았으며 아직 디자인적 통합부분에서는 미흡함을 알 수 있었다. 하지만 전시시설은 건축물 설계단계에서부터 PV 패널을 염두에 둔 사례들이 증가하고 있었다. 그에 비해 해외 공공시설 및 전시시설의 경우는 주로 모듈 접합방식을 사용하면서 구조적인 통합과 디자인적 통합을 동시에 이루었으며 사용하는 PV패널의 종류도 좀 더 다양함을 알 수 있었다. This paper is concerned with the domestic and foreign PV integrated projects in view of structural design. These projects are classified with public and display 6 facilities. The evaluated items are natural integration with building, engineering details and innovative new design. 6 domestic public and display facilities are frequently using isolated supporting system at roof, but show weakness in design integration. But the cases, using the PV panel in the stage of design some display facilities, are increasing. In the other hand, foreign public and display facilities are using the modul connection majorly and the structural and design integration are obtained.
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윤성원,송재용,김정헌,Yoon, Sung-Won,Song, Jea-Yong,Kim, Chung-Hun 대한성형외과학회 2010 Archives of Plastic Surgery Vol.37 No.3
Purpose: Pseudohypoparathyroidism is a hereditary disorder characterized by symptoms and signs of hypoparathyroidism, typically in association with distinctive skeletal and developmental defects. Hypoparathyroidism is caused by a insufficient end-organ response to PTH (parathyroid hormone). Hypoparathyroidism consists of four types in which the most common form, pseudohypoparathyroidism-Ia, accompany with Albright's hereditary osteodystrophy. We experienced a case of a woman who had been suffering from calcified mass on left foot, diagnosed Albright's hereditary osteodystrophy. Methods: We present a case of a 24-year-old Korean female who visited plastic surgery department with a painful mass on dorsum of the left foot. On the physical exam, bony hard and painful mass, fixed to dermis, was noted. Plain X-ray films demonstrate suspicious calcification on subcutaneous tissue of dorsum of the left foot. The patient was diagnosed pseudohypoparathyroidism 2 years ago at the plastic surgery department. At the visiting time, the laboratory results were within normal range even though the patient actually had a disease. The reason is because the patient has been treated with Vit.D, calcium replacement therapy and thyroid hormone therapy. Moreover, the patient has been treated with anticonvulsant agents due to epilepsy. On the brain computer tomography (CT), calcification was noted on the basal ganglia and dentate nucleus. So we decided the total excision of entire mass from the left foot. Results: We excised main mass with numerous pinhead sized masses which were scattered around the main mass. The $6.0{\times}4.0{\times}0.5\;cm$ sized main mass was bony hard, and its surface was flat and margin was irregular. The permanent biopsy was confirmed that the main mass and all the scattered tiny masses were heterotopic calcification. The patient did not suffer from the pain after the mass excision. The wound has been healed without any problem. Conclusions: Heterotrophic calcification is often accompanied with pseudohypoparathyroidism, but such a huge one is uncommon. We report a case of pseudohypoparathyroidism with heterotrophic calcification developed in dorsum of left foot who was diagnosed by excisional biopsy.
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윤성원,Yoon, Sung-Won 한국공간구조학회 2008 한국공간구조학회지 Vol.8 No.2
주파수영역과 시간영역의 두가지 방법을 통하여 감쇠율을 분석하였다. 11층${\sim}$19층 범위의 철근콘크리트 건물에 대하여 주파수 영역에서의 해석을 위한 상시진동과 시간영역에서의 해석을 위한 인력가진을 실시하였다. 하프파워법의 적용성을 검토하기 위하여 1024, 2048, 4096 세가지 앙상블 샘플사이즈에 대하여 분석하였다. 인력가진법에 의한 장변과 단변의 감쇠율은 각각 1.05%${\sim}$1.22%과 1.16%${\sim}$1.50%이다. 하프파워법은 감쇠율을 약간 과대평가할 수 있지만, 계측데이터의 길이를 가능한 길게 하여 bandwidth를 작게 하면 감쇠율 평가의 정밀도를 향상할 수 있었다. This paper is concerned with the damping ratios of two methods, which are frequency domain and time domain approach. Ambient vibrations and synchronized human excitation test were conducted to three reinforced concrete buildings ranging from eleven to nineteen stories. The performance of the half power bandwidth method was investigated using three kinds of sample size, 1024, 2048, and 4096. The damping ratio by synchronized human excitation ranges from 1.05% to 1.22% in the long direction and from 1.16% to 1.50% in short direction. Damping by half power bandwidth method is slightly more overestimated than the synchronized human excitation due to insufficient record length. Damping evaluation by half power bandwidth method was found to be enhanced by using the narrower bandwidth with long recorded data.
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윤성원,Yoon, Sung-Won 한국공간구조학회 2007 한국공간구조학회지 Vol.7 No.4
This paper is concerned with the vibration characteristics of medium-rise building, which severely vibrated by vehicles. The field vibration measurement was employed for finding the vibration source and vibration reducing method. Time domain data from measurements were also utilized for vibration characteristics, such as effect of buses and subways-induced vibration on the floor vibration of the building. effectiveness of the vibration reducing method was also demonstrated. 교통진동의 영향을 받는 중층건물의 진동특성에 관한 논문이다. 현장진동계측은 진동원과 진동감소대책을 위하여 실시되었다. 시간영역 진동데이터는 버스와 지하철로 인한 건물에 전달된 진동 영향 등의 진동특성을 위하여 이용되었다. 진동대책을 통한 진동감소의 효과 역시 입증할 수 있었다.
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