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Title Experimental Study on Torsional Behavior of RC Beam with High Strength Stirrup
Authors 김진섭(Jinsup Kim) ; 서현수(Hyunsu Seo) ; 임정희(Jeonghee Lim) ; 권민호(Minho Kwon)
DOI https://doi.org/10.4334/JKCI.2018.30.1.039
Page pp.39-46
ISSN 1229-5515
Keywords 비틀림 ; 비틀림 강도 ; 철근콘크리트 보 ; 고강도 철근 ; 스터럽 torque ; torsional strength ; RC beam ; high strength rebar ; stirrup
Abstract In this study, the behavior of the reinforced concrete beams according to the strength of the stirrups and the spacing of the stirrups was evaluated through experiments. From the experiment results, the torsional strength was almost the same even if the strength of stirrup was as large as 20 %. When the spacing of the stirrups doubled, the maximum torsional moment was reduced by about 16 %. However, the twist angle at the occurrence of the maximum torsional moment increases by about 50 % as the spacing of the stirrup decreases. It is considered that the spacing of the stirrup increases the ductility behavior of the RC beam by increasing the number of effective stirrup in the torsional behavior of the RC beam.