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NTIS 바로가기한국지진공학회논문집 = Journal of the Earthquake Engineering Society of Korea, v.24 no.4, 2020년, pp.189 - 196
한상환 (한양대학교 건축공학과) , 장용석 (한양대학교 건축공학과 대학원) , 이창석 (한양대학교 건축공학과)
In this study, two full-scale gravity load-designed reinforced concrete corner beam-column joints were tested by being subjected to uniand bi-directional cyclic lateral loading. The test variable was loading type: uni- or bi-directional loading. To investigate the effect of the loading type on the c...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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과거 비내진 RC 접합부 실험 연구들이 가지는 한계점은? | 이러한 과거 연구들이 귀중한 실험적 정보를 제공하였지만, 다음과 같은 한계점이 여전히 남아있다. 첫째, 보-기둥 접합부의 내진거동에 대한 대부 분의 문헌들은 내부와 외부 접합부 위주로 되어 있다[1]. 둘째, 접합부의 거동에 상당한 영향을 줄 수 있는 단일 슬래브와 횡 보의 효과가 고려되지 않았다[1, 3]. | |
비연성 철근콘크리트 보-기둥 접합부의 전단파괴로 인하여 예상되는 문제는? | 보-기둥 접합부는 중력하중만을 고려하여 설계된 비연성적인 철근콘크 리트(RC) 건축물의 구조안전성을 확보하기 위한 핵심 부재로 여겨진다[1, 2]. 비연성 철근콘크리트 보-기둥 접합부에서 전단파괴로 인하여 강성과 강도의 감소가 발생하고 전체 건축물의 붕괴로 이어질 가능성이 있기 때문이다[3-6]. 중력하중만을 고려하여 설계된 비내진RC 건축물의 접합부 전단 파괴는 접합부내 보강철근이 충분하지 않은 것이 원인일 수 있다[7-11]. | |
보-기둥 접합부란? | 보-기둥 접합부는 중력하중만을 고려하여 설계된 비연성적인 철근콘크 리트(RC) 건축물의 구조안전성을 확보하기 위한 핵심 부재로 여겨진다[1, 2]. 비연성 철근콘크리트 보-기둥 접합부에서 전단파괴로 인하여 강성과 강도의 감소가 발생하고 전체 건축물의 붕괴로 이어질 가능성이 있기 때문이다[3-6]. |
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