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Seismic Behavior of Nonseismically Detailed Reinforced Concrete Beam-Column Joints
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 Title & Authors
Seismic Behavior of Nonseismically Detailed Reinforced Concrete Beam-Column Joints
Woo, Sung-Woo; Lee, Han-Seon;
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The objective of this study is to clarify the seismic capacity and the characteristics in the hysteretic behavior of RC structures with non-seismic detailing. Interior and exterior beam-column subassemblages were selected from a ten-story RC building and six 1/3-scale specimens were constructed with three variables; (1) with and without slab, (2) with and without hoop bars in the joint region, (3) upward and downward direction of anchorage for the bottom bar in beams of exterior beam-column subassemblage. The test results have shown; (1) in case of interior beam-column subassemblage, there is no almost difference between nonseismic and seismic details in the strength and ductility capacity; (2) the Korean practice of anchorage (downward and 25 anchorage length) in the exterior joint caused the 10%∼20% reduction of strength and 27% reduction of ductility in comparison with the case of seismic details; and the existence of hoop bars in the joint region shows no effect in shear strain.n.
non-seismic detailing;beam-column joint;strength ductility;anchorage;
 Cited by
CFRP를 이용한 비내진 철근콘크리트 외부 보-기둥 접합부의 내진 보강,김민;이기학;이재홍;우성우;이정원;

한국콘크리트학회논문집, 2006. vol.18. 6, pp.729-736 crossref(new window)
차병기, 고동우, 우성우, 이한선, '비내진 상세를 가진 RC 외부 접합부의 반복 횡하중 실험', 콘크리트학회논문집 15권, 1호, 2003, pp.11-16

Cheng-Min Lin, 'Seismic Behaviour and Design of Reinforced Concrete Interior Beam Column joints,'Research Report, No. 2001-1, Department of Civil Engineering, University of Canterbury, Christchurch,NZ, 2001, pp.471

Bing Li, Yiming Wu, and Tso-Chien Pan, "Seismic Behavior of Nonseismically Detailed Interior Beam-Wide Column Joints-Part I: Experimental Results and Observed Behavior,' ACI Structural Journal, Vol.99, No.6, 2002, pp.791-801