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좌굴방지 강재슬릿댐퍼로 보강된 기존 철근콘크리트 건축물의 내진보강효과
이복기 ( Lee Bok-gi ),정주성 ( Jung Ju-seong ),이종규 ( Lee Jong-gyu ),이강석 ( Lee Kang-seok ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.2
본 연구에서는 기존 철근콘크리트(이하 R/C) 건축물의 내진보강을 위한 새로운 좌굴방지 강재슬릿댐퍼(Non Buckling steel Slit Damper, 이하 NBSD) 내진보강공법을 제안하였다. 제진장치 부재실험, 2층 골조 유사동적실험을 통해 내진보강효과를 검증함과 동시에, 비선형동적해석을 이용하여 유사동적 실험결과와 비교하여 해석모델링의 타당성을 분석하였다. 구축된 비선형 동적해석 모델 및 방법을 기반으로 비내진상세를 가지는 중·저층 R/C 건축물을 대상으로 비선형동적해석을 실시하였으며, 내진보강 전과 후의 건축물의 지진응답하중 및 응답변위 특성을 검토하여 내진보강효과를 검증하였다.
이복기 ( Bok Ki Lee ) 한국근대영미소설학회 2012 근대 영미소설 Vol.19 No.1
This paper attempts to approach Thomas Hardy`s Tess of the D`Urbervilles from a different angle. Previous discussions of the novel have focused on deterministic view of the heroine`s tragic life and on proving Tess`s purity. They have kept the heroine on the center of the discussion and attempted to find the causes of the tragedy or to defend her purity. However, in this paper Angel Claire takes the center of the discussion. It is necessary to reconstruct the narrative around Angel`s project of ``new beginning`` to rescue the novel from deterministic fetter. Disappointed at degeneration of his family and society, Angel set a strategy to start reviving them by making a new start in a country with a pure girl. Tess was the right person for this purpose until he was told Tess`s story about Alec. From his response to her confession, we can find the limit of his conception of purity: it is confined within physical virginity. Even if he tried to set himself off of the tradition and convention, he was still harnessed by them. On the other hand, Tess is represented as a person who practiced becoming-nature and becoming-animal. In her experiences of becoming, we can recognize the germinality of being and the nature in the novel. Therefore, to read the novel as being dominated with deterministic view of the world and being can be a longstanding misunderstanding. This reading can cast off the yoke of determinism put on the novel and bring back the life force it originally contained.
이복기 ( Bok Ki Lee ) 한국근대영미소설학회 2015 근대 영미소설 Vol.22 No.1
This paper attempts to analyze Elizabeth Gaskell’s North and South in the light of its protagonist’s confrontation with modern industrial society which looks dominated by “everlasting uncertainty and agitation” and her final acceptance of it as a structural condition of modern bourgeois society. In order to analyze the novel in the sense of the effects of the underlying force of bourgeois capitalism, this paper compares three major places depicted: Milton Northern, Helstone, and London. London, differing from the usual depiction as a place of calamities, poverty, abuse of children, and more in Charles Dickens’ novels, is represented as the place of power, luxury, and “the smooth sea,” free from struggles and efforts for survival. Returning to London after spending a couple of years in Milton, Margaret feels “uncanny” about her almost home-like place. This feeling was an effect of her sojourn in Milton, in which she could have witnessed the activities of “everlasting uncertainty and agitation.” She also felt unhomely even in Helstone, which has been idealized as a Home(Heimat) in her mind when she visits there with Mr. Bell. Instead of getting solace of her spirit and recovering her belief in the unchanging Nature, she gets assured that everything changes and one needs to accept the fact. As a result of the argument of this paper, the novel will be proved to have preempted the later intellectual and philosophical ideas such as Nietzsche’s ‘nihilism’ and Joyce’s “ineluctable modality.” Also, Gaskell’s suggestions on the problems of modern industrial society would be recognized progressive from the 21st century viewpoint, even though they were considered conservative in her days.
간주형 좌굴방지 강재슬릿댐퍼로 보강된 기존 철근콘크리트 건축물의 내진보강설계법
이복기 ( Lee Bok-gi ),정주성 ( Jung Ju-seong ),최윤철 ( Choi Yun-chul ),이강석 ( Lee Kang-seok ) 한국구조물진단유지관리공학회 2022 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.26 No.2
본 연구에서는 기존 철근콘크리트(이하 R/C) 건축물의 내진보강을 위한 새로운 좌굴방지 강재슬릿댐퍼(Non Buckling steel Slit Damper, 이하 NBSD) 내진보강공법을 제안하였다. 제진장치 부재실험, 2층 골조 유사동적실험을 통해 내진보강효과를 검증함과 동시에, 비선형동적해석을 이용하여 유사동적 실험결과와 비교하여 해석모델링의 타당성을 분석하였다. 구축된 비선형 동적해석 모델 및 방법을 기반으로 비내진상세를 가지는 중·저층 R/C 건축물을 대상으로 비선형동적해석을 실시하였으며, 내진보강 전과 후의 건축물의 지진응답하중 및 응답변위 특성을 검토하여 내진보강효과를 검증하였다.
간주형 좌굴방지 강재 슬릿댐퍼 시스템으로 내진보강된 철근콘크리트 골조의 내진성능평가
이복기 ( Lee Bok-gi ),이강석 ( Lee Kang-seok ),정주성 ( Jung Ju-seong ),김규익 ( Kim Kyu-ik ),정원희 ( Jung Won-hee ),성조성 ( Cheng Zhao Xing ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.2
본 연구에서는 비내진상세를 가지는 중ㆍ저층 R/C 건물의 1층 골조를 제작하여 무보강 실험체에 대한 구조실험을 실시하였다. 실험결과 실험체는 부재각 1.33%에서 전단파괴를 나타내어,비내진상세를 가지는 R/C 건물의 내진성능에 관한 중요한 자료를 획득하였다. 본 연구에서는 간주형 좌굴방지 강재 슬릿댐퍼 시스템을 개발하였으며 내진보강효과를 검증하기 위하여 구조실험에 선행하여 상기 국내 비내진상세 RC 골조 실험결과를 기반으로 비선형해석을 실시하였다.