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- W226822979 abstract "본 연구에서는 1994년 미국 노스리지 지진 이전에 건설된 기존 철골 건물의 용접형 철골 박스기둥과 보 접합부의 내진성능을 반복재하 실험에 의해 평가하였다. 실험결과에 의하면 노스리지 지진 이전 접합상세를 갖는 박스기둥과 보 접합부에서도 H-형강 기둥과 보 접합부 실험결과와 유사하게 취성파단이 발생하였다. 하지만, 박스기둥과 보 접합부에서의 플랜지 응력전달 경로가 H-형강 기둥과 보 접합부에서의 것과 상당한 차이가 있고 또한 박스기둥의 형상에 따라 균열 전파의 형태가 다를 수 있다는 것이 밝혀졌다. 따라서 용접형 철골 박스기둥과 보 접합부의 내진성능을 향상시키기 위해서는 H-형강 기둥과 보 접합부에 대한 기존 연구결과를 그대로 적용하기보다는 박스기둥에 적합한 접합부의 보강상세 개발이 요구된다. In this study the seismic performance of welded steel moment connections to built-up box columns in the existing building built before 1994 Northridge earthquake was evaluated by cyclic tests. According to the test results, the pre-Northridge steel moment connections to the box columns also suffered from brittle fracture similar to that in the H-shaped column connections. However, the flange force transfer mechanism of the box column connections was substantially different from that of the H-shaped column connections, and the patterns of crack propagation may be changed due to the shape of the box column. Therefore, it is required to develop proper details for the box column connections instead of using the research results for H-shaped column connections in order to enhance the seismic performance the connections." @default.
- W226822979 created "2016-06-24" @default.
- W226822979 date "2006-02-28" @default.
- W226822979 modified "2023-10-14" @default.
- W226822979 title "Seismic Performance of Existing Welded Steel Moment Connections to Built-up Box Columns" @default.
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- W226822979 doi "https://doi.org/10.5000/eesk.2006.10.1.025" @default.
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