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서철호(Cheol Ho Seo),안병진(Byoung Jin Ahn) 한국품질경영학회 2000 품질혁신 Vol.1 No.2
6시그마 경영이 지속성을 유지하고 경영성과에 크게 기여하기 위해서는 포로젝트 테마의 체계적 발굴과 올바른 선정이 중요하다. 이 논문에서는 테마발굴의 주요 원천인 고객의 요구, 기업의 방침과 전략, 현장의 문제로부터 테마를 발굴하는 과정을 사례를 통하여 살펴보고자 한다. 또한 발굴된 테마를 판단기준에 의해 평가하고 우선순위화하는 문제에 대하여도 정리해 보기로 한다.
하니컴(다각)형 복합체 시스템으로 보강한 RC 조적끼움벽체의 내진성능평가
김종근,서철호,안종문,신성우,Kim, Jong-Keun,Seo, Chul-Ho,Ahn, Jong-Moon,Shin, Sung-Woo 대한건축학회 2011 대한건축학회논문집 Vol.27 No.12
This study conducted an experiment on seismic retrofitting in order to improve seismic performance of RC framed structures of non-earthquake resistant designs. In the experiment, masonry infill walls were strengthened with composite precast concrete(PC) panel systems using honeycomb-type reinforcements. Structural analysis was conducted with actual structures, and a single span which was found to be in need of seismic retrofitting was scaled down by 1/2 ratio and was modeled. The specimens were of 6 different types, including the reference specimen of an RC frame designed to be non-earthquake resistant. The 6 types were divided by whether there was reinforcement on the masonry infill wall and how to retrofit the wall with the honeycomb composite panel system. The experiment results showed that seismic performance of the test specimens increased in all the factors including strength, stiffness, ductility and energy dissipation, so it was considered that retrofitting measures need to be taken to secure proper seismic performance. When seismic performance was evaluated, the target of strength and ductility was set as 30% increase. Since all the specimens were found to meet the target, it was considered proper to retrofit masonry infill walls with PC panels.
하니컴(다각)형 복합체 시스템으로 보강한 RC 조적끼움벽체의 내진성능평가
김종근(Kim, Jong-Keun),서철호(Seo, Chul-Ho),안종문(Ahn, Jong-Moon),신성우(Shin, Sung-Woo) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.12
This study conducted an experiment on seismic retrofitting in order to improve seismic performance of RC framed structures of non-earthquake resistant designs. In the experiment, masonry infill walls were strengthened with composite precast concrete(PC) panel systems using honeycomb-type reinforcements. Structural analysis was conducted with actual structures, and a single span which was found to be in need of seismic retrofitting was scaled down by 1/2 ratio and was modeled. The specimens were of 6 different types, including the reference specimen of an RC frame designed to be non-earthquake resistant. The 6 types were divided by whether there was reinforcement on the masonry infill wall and how to retrofit the wall with the honeycomb composite panel system. The experiment results showed that seismic performance of the test specimens increased in all the factors including strength, stiffness, ductility and energy dissipation, so it was considered that retrofitting measures need to be taken to secure proper seismic performance. When seismic performance was evaluated, the target of strength and ductility was set as 30% increase. Since all the specimens were found to meet the target, it was considered proper to retrofit masonry infill walls with PC panels.