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Title |
Experiments on Flexural Performance of Composite Members Strengthened by External Steel Plates
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Authors |
황병훈(Byung-Hun Hwang) ; 신진원(Jin-Won Shin) ; 전재호(Jae-Ho Jeon) ; 김윤용(Yun-Yong Kim) |
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DOI |
https://doi.org/10.11112/jksmi.2022.26.5.143 |
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Keywords |
합성부재; 내진 보강; 휨 성능; 정적 재하 실험 Composite members; Seismic strengthening; Flexural performance; Static loading test |
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Abstract |
This paper presents an experimental study on the flexural performance of concrete members strengthened with external steel plates for the purpose of improving seismic performance. In order to strengthen the structure, a strengthening method was applied that wraps the walls and columns with steel members. The partial section of the wall with the longest span in the structure was manufactured in real size and the strengthening effect was confirmed by performing a static load test. As a result of the experiment, it was confirmed that the strengthened section exhibited sufficient flexural performance satisfied to the seismic requirements, but the behavior until failure was not obtained because of actuator capacity. It was confirmed that the strengthened member resists the out-of-plane moment with a composite behavior. It was verified that the stiffness and load carrying capacity of the strengthened member were improved compared to the non-strengthened member by displacement and strain measurements.
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