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자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第22卷 第10號
발행연도
2006.10
수록면
53 - 60 (8page)

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Flat plate slab has been widely used in high rise buildings for its remarkable advantages. However, punching shear failure has become increasingly important issue with the spread of flat plate slab.
The results of an experiment program on punching shear performance of RC slab-column connections are presented in this paper. The first one of five specimens was severed as the control specimen. Two of them were strengthened by studs welded on the rails according to ACI 421.1R-99. The others were reinforced by studs with perforated steel plates. Specimens were tested under constant gravity shear load and the lateral displacement was applied on the top surface of column in a reversed cyclic manner.
Punching shear failure occurred for the control specimen at drift ratio of approximately 6%. The specimens with studs on the steel plates showed a significant flexural yielding and sustained deformation up to a drift ratio of 10.6% to 11.9% without obviously losses of strength. Furthermore, the results exhibited a maximum increase of 52.29% on ductility of the joints comparison to the control sample. Punching shear failure was not observed in this kind of upgraded specimens. The results of the experimental program showed that the flat plate slab strengthened by stud with steel plates is successful in increasing deformation resistance capacity, ductility and avoiding punching shear failures. It can be widely used in high rise buildings.

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Abstract
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2. 실험
3. 실험결과 및 고찰
4. 요약 및 결론
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