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대경간 정밀 산업시설의 미진동 저감형 바닥구조시스템에 대한 연구
김시준(Kim Si-Jun),이성수(Lee Seong-Soo),전호민(Chun Ho-Min),홍갑표(Hong Kap-Pyo) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.10
The sub-micro vibration problem in technology facility has been important as essential factor having an effect on performance of manufactures. To design long-span of production lines with increasing the manufacture equipment is essentially demanded in the most recent, accordingly a matter of concern about vibration isolation also is growing. While international competitive power of internal electronic and IT industry maintains the highest level, technical know-how of facilities field in technology facility has depended on a developed country. Therefore, there is a need of total analysis to design the long-span structure system on industrial demand of technology facility and to improve the vibration isolation level. In this study, we research dynamic characteristics and vibration response of floor system in the design of long-span structure system and would like to propose an alternative proposal to improve sub-micro vibration isolation level. In the study result, when return plenum floor stiffness is increased in order to reduce vibration of floor system, we can make certain of vibration reduction effect from increasing slab thickness of return plenum, changing the number of beam and a design plan and increasing section size of beam.
정밀 산업시설 대경간 구조물의 미진동 방진형 바닥구조시스템 응답 평가
김시준(Kim Si-Jun),이성수(Lee Seong-Soo),전호민(Chun Ho-Min),권윤한(Kwon Yun-Han),강정호(Kang Jung-Ho),홍갑표(Hong Kap-Pyo) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(구조계)
The sub-micro vibration problem in technology facility has been important as essential factor having an effect on performance of manufactures. To design long-span of production lines with increasing the manufacture equipment is essentially demanded in the most recent, accordingly a matter of concern about vibration isolation also is growing. While international competitive power of Internal electronic and IT industry maintains the highest level, technical mow-how of facilities field in technology facility has depended on a developed country. Therefore, there is a need of total analysis to design the long-span structure system on industrial demand of technology facility and to improve the vibration isolation level. In this study, we research dynamic characteristics and vibration response of floor system in the design of long-span structure system. The response of two floors (return plenum floor and FAB floor) are difference.
분절형 시스템의 PC기둥-거더 접합부 구조성능 및 안정성에 관한 해석적 연구
김시준(Kim Si-Jun),이성수(Lee Seong-Soo),전호민(Chun Ho-Min),이헌재(Lee Heon-Jae),강정호(Kang Joung-Ho),홍갑표(Hong Kap-Pyo) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
To design long ? span of production lines increasing size of manufacture equipment at technology facilitity is essentially demanded in the most recent, accordingly a matter of concern about long-span structural system also is growing. Precast concrete structure is being applied to the technology facilitity currently because of limit conditions like a term of work, vibration, non supporting frame. However, PC members must be devided, owing to the Road Traffic Act for long-span structural system of length over 17 meter. Therefore, new PC a method of construction is required to solve this problem and the divided PC construction method is applied on this study. To use the divided PC construction method It is necessary to verify structural properties and stability of PC column - girder joint for divided structural system. In this study, structural properties and stability of PC column - girder joint of the divided PC construction method realizing long-span structural system were verified using finite element analysis
원자력발전소용 리튬폴리머 배터리 랙 시스템의 내진성능평가
김시준(Si-Jun Kim) 한국산학기술학회 2019 한국산학기술학회논문지 Vol.20 No.5
후쿠시마 원전사고 이후 비상 배터리 시설에 대한 안전성 강화가 요구되면서 리튬 폴리머 배터리를 적용한 새로운 전원 공급장치가 국내에서 세계 최초로 제안되었다. 그러나 제안된 기술을 현장에 적용하기 위해서는 배터리 장치가 설치되는 랙 시스템의 내진 안전성이 요구된다. 본 연구에서는 세계 최초로 72시간 용량 확보를 위해 개발 된 리튬폴리머 배터리 장치를 대상으로 지진 발생 시 전원장치의 안전성을 확보하기 위해 설계 된 전원장치 스트링 및 랙 프레임에 대한 내진성능을 평가하고자 하였다. 실험 결과 1) 단위 랙 시스템의 공진대역은 9 Hz로서 지진하중 전 후의 고유진동수가 변하지 않음에 따라 설계지진하중에 대한 부재 및 부재간의 연결부에 대한 안전성을 확인할 수 있었다. 원전 설계기준 OBE와 SSE에서의 가속도 응답 결과 2) 스트링 제작에 의한 진동 저감 효과가 약 20%정도 보였으며, 3) OBE, SSE 조건에서의 내진시험 결과 랙 프레임 시스템은 설계지진에 대해 안전한 것으로 나타났다. 따라서 본 연구에서 제시한 랙 시스템은 요구 지진력에 대한 구조적 건전성이 입증되었으므로 원전 시설에 적용이 가능한 것으로 나타났다. After the Fukushima nuclear accident, a new power supply using a lithium polymer battery has been proposed the first time in the world as the safety of the emergency battery facility has been required. It is required to have the safety of the rack system in which the battery device is installed in order to apply the proposed technology to the field. Therefore, the purpose of this study is to evaluate the seismic performance of string and rack frame for lithium-polymer battery devices developed for the first time in the world to satisfy 72 hours capacity. (1) The natural frequency of the unit rack system was 9 Hz, and the natural frequency before and after the earthquake load did not change. This means that the connection between members is secured against the design earthquake load. (2) he vibration reduction effect by string design was about 20%. (3) As a result of the seismic performance test under OBE and SSE conditions, the rack frame system was confirmed to be safe. Therefore, the proposed rack system can be applied to the nuclear power plant because the rack system has been verified structural safety to the required seismic forces.
분절형 PC공법을 적용한 미진동 시설 대경간 바닥구조시스템의 동특성에 관한 실험적 연구
김시준(Kim Si-Jun),홍갑표(Hong Kappyo) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
This study has been begun to find solutions of design with long span in the micro vibration facility using a PC system with a span over 17m. Previous studies suggested segmented PC beam system for the long span floor and structural performance of PC beam-column joint. The purpose of this study was to analyze dynamic characteristics of long-span floor system applying segmented PC method. For this study, 1/2 scale mock-up was made using similitude law and experimental mode analysis were conducted.
정밀 산업시설 대경간 구조물의 미진동 방진형 바닥구조시스템에 대한 해석적 연구
김시준(Kim Si-Jun),이성수(Lee Seong-Soo),전호민(Chun Ho-Min),권윤한(Kwon Yun-Han),조광수(Cho Kwang-Su),홍갑표(Hong Kap-Pyo) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(구조계)
The sub-micro vibration problem in technology facility has been important as essential factor having an effect on performance of manufactures. To design long-span of production lines with increasing the manufacture equipment is essentially demanded in the most recent, accordingly a matter of concern about vibration isolation also is growing. While international competitive power of Internal electronic and IT industry maintains the highest level, technical know-how of facilities field in technology facility has depended on a developed country. Therefore, there is a need of total analysis to design the long-span structure system on industrial demand of technology facility and to improve the vibration isolation level. In this study, we research dynamic characteristics and vibration response of floor system in the design of long-span structure system and would like to propose an alternative proposal to improve sub-micro vibration isolation level. In the study result, when return plenum floor stiffness is increased in order to reduce vibration of floor system, we can make certain of vibration reduction effect from increasing slab thickness of return plenum, changing the number of beam and a design plan and increasing section size of beam.